{"id":7278,"date":"2026-05-14T00:00:00","date_gmt":"2026-05-14T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-frame-check-sequence-fcs\/"},"modified":"2026-06-22T03:25:59","modified_gmt":"2026-06-22T03:25:59","slug":"what-is-frame-check-sequence-fcs","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ar\/glossary\/what-is-frame-check-sequence-fcs","title":{"rendered":"\u062a\u0633\u0644\u0633\u0644 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0625\u0637\u0627\u0631 (FCS): \u0627\u0644\u0645\u0639\u0646\u0649\u060c \u0648\u0627\u0644\u0623\u062e\u0637\u0627\u0621\u060c \u0648\u0627\u0644\u062d\u0644\u0648\u0644"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/88484eaf1ed240fd919c40e0be49a046.jpg\" alt=\"Frame Check Sequence (FCS): Meaning, Errors, and Fixes\" class=\"wp-image-7268\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/88484eaf1ed240fd919c40e0be49a046.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/88484eaf1ed240fd919c40e0be49a046-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/88484eaf1ed240fd919c40e0be49a046-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/88484eaf1ed240fd919c40e0be49a046-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/88484eaf1ed240fd919c40e0be49a046-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Sequence Check (FCS) \u0647\u0648 \u0627\u0644\u062d\u0642\u0644 \u0627\u0644\u0630\u064a \u064a\u0644\u064a \u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a \u0641\u064a \u0625\u0646\u062a\u0631\u0646\u062a \u062a\u0646\u0642\u0644 \u0627\u0644\u0642\u064a\u0645\u0629 CRC \u0644\u0644\u0643\u0634\u0641 \u0639\u0646 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0646\u0642\u0644. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/glossary\/what-is-nic-network-interface-card\/\">\u0668. \u0628\u0637\u0627\u0642\u0627\u062a \u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0634\u0628\u0643\u0629<\/a> (NICs).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a Environments Networking Praktische, \u0627\u0644\u0623\u062e\u0637\u0627\u0621 FCS \u0644\u064a\u0633\u062a \u0645\u062c\u0631\u062f \u0623\u062d\u062f\u0627\u062b \u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0645\u0646 \u0646\u0645\u0627\u0630\u062c \u0627\u0644\u0627\u062a\u0635\u0627\u0644., <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/glossary\/what-is-electromagnetic-interference\/\">\u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a<\/a> \u0647\u0645\u0648\u0645\u0647\u0645 \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0645\u0634\u0627\u0643\u0644 Physikalayer Real\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0643\u0627\u0628\u0644\u0627\u062a Ethernet \u0645\u0643\u0633\u0648\u0631\u0629\u060c \u0645\u0643\u0627\u0646\u064a\u0627\u062a \u0643\u0627\u0628\u0644\u0627\u062a \u0645\u0644\u0648\u062b\u0629\u060c \u0645\u0643\u0648\u0646\u0627\u062a \u0636\u0639\u0641\u060c <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">\u0665\u0669. SFP<\/a>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">\u0666\u0661. SFP+<\/a>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">\u0668. QSFP<\/a>, \u0663. \u060c \u0623\u0648 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\">\u0664\u0664. QSFP28<\/a> EMI\u060c \u0627\u062e\u062a\u0644\u0627\u0637\u0627\u062a\u060c \u0623\u0648 \u0635\u0644\u0629 \u0636\u0639\u064a\u0641\u0629 \u0639\u0644\u0649 \u0631\u0648\u0627\u0628\u0637 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a Data Centers \u0648\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0623\u0639\u0645\u0627\u0644\u060c \u062a\u0631\u062a\u0628\u0637 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629 FCS \u0628\u0634\u0643\u0644 \u0634\u0627\u0626\u0639 \u0645\u0639 \u0645\u0643\u0648\u0646\u0627\u062a \u0636\u0627\u0631\u0629 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/glossary\/understanding-what-is-bit-error-rate\/\">\u0665\u0660. \u0645\u0639\u062f\u0644 \u0627\u0644\u062e\u0637\u0623 \u0627\u0644\u0628\u064a\u062a\u064a<\/a> \u0648\u0634\u0628\u0643\u0627\u062a \u0643\u0627\u0628\u0644\u0627\u062a \u0630\u0627\u062a \u062c\u0648\u062f\u0629 \u063a\u064a\u0631 \u0645\u0648\u062b\u0648\u0642\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0639 \u062a\u0637\u0648\u0631 \u0625\u0646\u062a\u0631\u0646\u062a \u0645\u0646 1G \u064810G \u0625\u0644\u0649 100G\u060c 400G\u060c \u0648\u062d\u062a\u0649 \u0625\u0646\u062a\u0631\u0646\u062a 800G \u0627\u0644\u0645\u0639\u0631\u0641\u0629 \u062a\u062d\u062a \u0639\u0648\u0627\u0645\u0644 IEEE 802.3ck\u060c \u0623\u0635\u0628\u062d\u062a \u0636\u0645\u0627\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a \u0623\u0635\u0628\u062d \u0623\u0645\u0631\u064b\u0627 \u062d\u064a\u0648\u064a\u064b\u0627. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">\u0663\u0666. \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0628\u0635\u0631\u064a\u0629<\/a> \u062d\u062a\u0649 \u0644\u0648 \u0643\u0627\u0646 \u0647\u0646\u0627\u0643 \u062a\u063a\u064a\u0631 \u0635\u063a\u064a\u0631.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >(BER) \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u0644\u0641 packets\u060c \u0625\u0639\u0627\u062f\u0629 \u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a\u060c \u0648\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0627\u0646\u062a\u0638\u0627\u0631\u060c \u0648 Instability \u062a\u0637\u0628\u064a\u0642\u0627\u062a.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u064a\u062c\u0639\u0644 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u064a\u0631\u0627\u0642\u0628\u0648\u0646 \u0627\u0644\u0639\u062f\u0627\u062f\u0627\u062a FCS \u0639\u0644\u0649 \u062e\u0631\u0627\u0637\u0634 \u0648 thi\u1ebft\u0628 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0639\u0646\u062f \u062d\u0644 \u0645\u0634\u0643\u0644\u0627\u062a \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a \u0623\u0648 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u063a\u064a\u0631 \u0627\u0644\u0645\u0633\u062a\u0642\u0631\u0629. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\">\u0661\u0666. IEEE 802.3<\/a> \u0661. \u0627\u0644\u0625\u0637\u0627\u0631\u060c \u0648\u0637\u0648\u0644 \u062d\u0642\u0644 FCS \u0647\u0648 \u0664 \u0628\u0627\u064a\u062a\u060c \u0648\u064a\u0633\u0627\u0639\u062f \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u0627\u062a \u0639\u0644\u0649 \u062a\u062d\u062f\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0625\u0637\u0627\u0631 \u0633\u0644\u064a\u0645\u064b\u0627 \u0623\u0645 \u062a\u0627\u0644\u0650\u0641\u064b\u0627 \u0642\u0628\u0644 \u0642\u0628\u0648\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2549c701a33d4df493a36c7365132a8f.jpg\" alt=\"What Is Frame Check Sequence (FCS)?\" class=\"wp-image-7269\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2549c701a33d4df493a36c7365132a8f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2549c701a33d4df493a36c7365132a8f-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2549c701a33d4df493a36c7365132a8f-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2549c701a33d4df493a36c7365132a8f-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2549c701a33d4df493a36c7365132a8f-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0662. \u062a\u0639\u0631\u064a\u0641 \u0645\u0635\u063a\u0631 \u0644\u0640 FCS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663. FCS (\u062a\u0633\u0644\u0633\u0644 \u0641\u062d\u0635 \u0627\u0644\u0625\u0637\u0627\u0631) \u0647\u0648 \u062d\u0642\u0644 \u0641\u064a \u0637\u0628\u0642\u0629 \u0662 \u064a\u064f\u0636\u0627\u0641 \u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0625\u0637\u0627\u0631 \u0644\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0633\u0644\u0627\u0645\u0629 \u0625\u0637\u0627\u0631\u0627\u062a \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0646\u0642\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0664. \u0627\u0644\u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u0645\u0628\u0633\u0637: FCS = \u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u064a \u062a\u064f\u0631\u0641\u0642 \u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0625\u0637\u0627\u0631 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0665. \u0647\u064a\u0643\u0644 \u0625\u0637\u0627\u0631 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0627\u0644\u0645\u0628\u0633\u0637:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0666. | \u0631\u0623\u0633 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a | \u0627\u0644\u062d\u0645\u0648\u0644\u0629 | FCS |<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0667. \u0625\u0630\u0627 \u0644\u0645 \u064a\u062a\u0637\u0627\u0628\u0642 \u0627\u0644\u0640 FCS \u0627\u0644\u0645\u0633\u062a\u0644\u0645 \u0645\u0639 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u064f\u062d\u0633\u0648\u0628\u0629 \u0645\u062c\u062f\u062f\u064b\u0627\u060c \u064a\u064f\u0647\u0645\u064e\u0644 \u0627\u0644\u0625\u0637\u0627\u0631.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0668. \u062a\u0639\u0631\u064a\u0641 \u0645\u0635\u063a\u0631 \u0644\u0640 CRC-32<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0669. CRC-32 (\u0641\u062d\u0635 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u062f\u0648\u0631\u064a \u0663\u0662 \u0628\u062a) \u0647\u0648 \u0627\u0644\u062e\u0648\u0627\u0631\u0632\u0645\u064a\u0629 \u0627\u0644\u0631\u064a\u0627\u0636\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0644\u062a\u0648\u0644\u064a\u062f \u0642\u064a\u0645\u0629 FCS \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0660. \u0641\u064a \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0661. CRC-32CRCtext{-}32CRC-32<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0662. \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0661\u0663. \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0625\u0637\u0627\u0631 \u2192 \u062d\u0633\u0627\u0628 CRC-32 \u2192 FCS<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0664. \u0627\u0644\u062c\u0627\u0646\u0628 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0661\u0665. \u0627\u0644\u0625\u0637\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0644\u0645 \u2192 \u0625\u0639\u0627\u062f\u0629 \u062d\u0633\u0627\u0628 CRC \u2192 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639 FCS<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0666. \u064a\u0645\u062a\u0627\u0632 CRC-32 \u0628\u0643\u0641\u0627\u0621\u0629 \u0639\u0627\u0644\u064a\u0629 \u0641\u064a \u0643\u0634\u0641 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0661\u0667. \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0628\u062a<\/p><\/li><li><p>\u0664. \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u062a\u0627\u0628\u0639 (Burst errors)<\/p><\/li><li><p>\u0661\u0668. \u062a\u0644\u0641 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/p><\/li><li><p>\u0661\u0669. \u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0646\u0642\u0644<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0662\u0660. \u0644\u0645\u0627\u0630\u0627 \u064a\u0648\u0636\u0639 \u0627\u0644\u0640 FCS \u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0625\u0637\u0627\u0631<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0661. \u064a\u0648\u0636\u0639 \u0627\u0644\u0640 FCS \u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0625\u0637\u0627\u0631 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0644\u0623\u0646 \u062d\u0633\u0627\u0628 CRC \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u062a\u0645\u0644 \u0628\u0639\u062f \u0645\u0639\u0627\u0644\u062c\u0629 \u062c\u0645\u064a\u0639 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0625\u0637\u0627\u0631 \u0628\u0627\u0644\u0643\u0627\u0645\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0662. \u062a\u062f\u0641\u0642 \u0627\u0644\u0639\u0645\u0644\u064a\u0629:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0662\u0663. \u062a\u0648\u0644\u064a\u062f \u0627\u0644\u0625\u0637\u0627\u0631 \u2192 \u062d\u0633\u0627\u0628 CRC \u2192 \u0625\u0644\u062d\u0627\u0642 FCS<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0664. \u064a\u0633\u0645\u062d \u0647\u0630\u0627 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0628\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0637\u0627\u0631 \u0627\u0644\u0643\u0627\u0645\u0644 \u0642\u0628\u0644 \u0642\u0628\u0648\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0665. \u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0641\u0639\u0644\u064a\u0629\u060c \u062a\u0634\u064a\u0631 \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0640 FCS \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629 \u0639\u0627\u062f\u0629\u064b \u0625\u0644\u0649 \u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0626\u064a\u0629\u060c \u0648\u0645\u0646\u0647\u0627:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 336px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"336\"><p>\u0662\u0666. \u0627\u0644\u0633\u0628\u0628 \u0627\u0644\u0634\u0627\u0626\u0639<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"336\"><p>\u0662\u0667. \u0643\u0627\u0628\u0644 \u0625\u064a\u062b\u0631\u0646\u062a \u062a\u0627\u0644\u0641<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0623\u062e\u0637\u0627\u0621 CRC\/FCS<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"336\"><p>\u0661\u0666. \u0645\u0648\u0635\u0644 \u0623\u0644\u064a\u0627\u0641 \u0636\u0648\u0626\u064a\u0629 \u0645\u062a\u0633\u062e<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u062a\u0644\u0641 \u0627\u0644\u062d\u0632\u0645<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"336\"><p>\u0662\u0668. \u0648\u062d\u062f\u0629 \u0636\u0648\u0626\u064a\u0629 \u0645\u0639\u064a\u0628\u0629 (SFP\/QSFP)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0662\u0669. \u0645\u062a\u0642\u0637\u0651\u0639 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/glossary\/what-does-packet-loss-mean-for-your-internet-connection\/\">\u0623\u062d\u062f \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u062a\u064a \u064a\u062c\u0639\u0644 \u0643\u0644\u0645\u0629 \"SFP Link\" \u0630\u0627\u062a \u0637\u0644\u0628 \u0628\u062d\u062b \u0642\u0648\u064a \u0647\u0648 \u0623\u0646 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u064a\u0646 \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u062d\u0627\u0648\u0644\u0648\u0646 \u062d\u0644 \u0645\u0634\u0643\u0644\u0627\u062a \u0639\u0645\u0644\u064a\u0629 \u0644\u0644\u063a\u0627\u064a\u0629:<\/a><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"336\"><p>\u0663\u0662. \u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a (EMI)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0663\u0660. \u062a\u0644\u0641 \u0639\u0634\u0648\u0627\u0626\u064a \u0641\u064a \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663\u0661. \u0648\u0644\u0630\u0644\u0643\u060c \u064a\u0633\u062a\u062e\u062f\u0645 \u0645\u0647\u0646\u062f\u0633\u0648 \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0640 FCS \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0643\u0645\u0624\u0634\u0631 \u0645\u0628\u0643\u0631 \u0639\u0644\u0649 \u0645\u0634\u0627\u0643\u0644 \u062c\u0648\u062f\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0623\u0648 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0625\u0631\u0633\u0627\u0644 \u0648\u0627\u0644\u0627\u0633\u062a\u0642\u0628\u0627\u0644 \u0627\u0644\u0636\u0648\u0626\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 How Does FCS Work in Ethernet Frames?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663\u0662. \u0639\u0646\u062f \u0625\u0631\u0633\u0627\u0644 \u062c\u0647\u0627\u0632 \u0627\u0644\u0625\u0631\u0633\u0627\u0644 \u0644\u0625\u0637\u0627\u0631 \u0625\u064a\u062b\u0631\u0646\u062a\u060c \u0641\u0625\u0646\u0647 \u064a\u062d\u0633\u0628 \u0642\u064a\u0645\u0629 CRC \u0639\u0644\u0649 \u0645\u062d\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0625\u0637\u0627\u0631 \u0648\u064a\u0643\u062a\u0628 \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0641\u064a \u062d\u0642\u0644 \u0627\u0644\u0640 FCS. \u0623\u0645\u0627 \u0627\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644 \u0641\u064a\u0642\u0648\u0645 \u0628\u0646\u0641\u0633 \u0627\u0644\u062d\u0633\u0627\u0628 \u0648\u064a\u0642\u0627\u0631\u0646 \u0627\u0644\u0642\u064a\u0645\u0629. \u0641\u0625\u0630\u0627 \u062a\u0637\u0627\u0628\u0642\u062a \u0627\u0644\u0642\u064a\u0645\u062a\u0627\u0646\u060c \u064a\u064f\u0642\u0628\u0644 \u0627\u0644\u0625\u0637\u0627\u0631\u061b \u0648\u0625\u0630\u0627 \u0644\u0645 \u062a\u062a\u0637\u0627\u0628\u0642\u060c \u064a\u064f\u0631\u0641\u0636 \u0627\u0644\u0625\u0637\u0627\u0631. \u0648\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u064a\u064f\u0639\u062f \u0627\u0644\u0640 FCS \u0627\u062e\u062a\u0628\u0627\u0631 \u0633\u0644\u0627\u0645\u0629 \u0633\u0631\u064a\u0639 \u0641\u064a \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92ab1a95487c4af99647400a6d08c0d9.jpg\" alt=\" How Does FCS Work in Ethernet Frames?\" class=\"wp-image-7270\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92ab1a95487c4af99647400a6d08c0d9.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92ab1a95487c4af99647400a6d08c0d9-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92ab1a95487c4af99647400a6d08c0d9-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92ab1a95487c4af99647400a6d08c0d9-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92ab1a95487c4af99647400a6d08c0d9-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 FCS \u064a\u062d\u062f\u062b \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 2 \u0648\u063a\u0627\u0644\u0628\u064b\u0627 \u064a\u062a\u0645 \u0645\u0639\u0627\u0644\u062c\u062a\u0647 \u0645\u0646 \u0642\u0628\u0644 \u0623\u062c\u0647\u0632\u0629 Ethernet \u0645\u062b\u0644 NICs \u0648Interfaces \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0645\u0631\u0626\u064a\u0629. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/glossary\/what-is-application-specific-integrated-circuit-asic\/\">\u0627\u0644\u062f\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u062a\u0643\u0627\u0645\u0644\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/a>, \u0647\u0630\u0627 \u064a\u0633\u0645\u062d \u0628\u0644\u0643\u0646\u0627\u0621\u0627\u062a \u0627\u0644\u0633\u0644\u0643\u064a\u0629 \u0628\u0644\u0643\u0646\u0627\u0621\u0627\u062a \u0627\u0644\u0633\u0644\u0643\u064a\u0629\u060c \u0648\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0642\u0628\u0644 \u0623\u0646 \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644 Protocols \u0623\u0648 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0639\u0644\u064a\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0625\u0646\u062a\u0627\u062c CRC \u0645\u0646 \u062c\u0627\u0646\u0628 \u0627\u0644\u0646\u0627\u0634\u0631<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0642\u0628\u0644 \u0646\u0642\u0644 \u0643\u062a\u0644\u0629 Ethernet\u060c \u064a\u062d\u0633\u0628 \u0627\u0644\u0646\u0627\u0634\u0631 \u0642\u064a\u0645\u0629 CRC-32 \u0645\u0646 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0643\u062a\u0644\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0662. \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0643\u062a\u0644\u0629 Ethernet \u2192 \u062d\u0633\u0627\u0628 CRC \u2192 FCS \u0645\u064f\u0648\u0644\u062f\u0629<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u062a\u0645 appending \u0627\u0644\u0642\u064a\u0645\u0629 CRC \u0627\u0644\u0645\u0648\u0644\u062f\u0629 \u0625\u0644\u0649 \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0643\u062a\u0644\u0629 \u0643\u0639\u0646\u0635\u0631 FCS.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0627 \u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0628\u0633\u064a\u0637 \u0644\u0644\u0643\u062a\u0644\u0629 Ethernet \u064a\u0636\u0645\u0646 \u0623\u0646 \u0627\u0644\u0643\u062a\u0644\u0629 \u0627\u0644\u062a\u064a \u064a\u062a\u0645 \u0646\u0642\u0644\u0647\u0627 \u064a\u0645\u0643\u0646\u0647\u0627 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0644\u0627\u062d\u0642\u064b\u0627 \u0645\u0646 \u0642\u0628\u0644 \u0627\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u064f\u0633\u062a\u0644\u0645.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u062c\u0627\u0646\u0628 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0646\u062f\u0645\u0627 \u064a\u0635\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u060c \u064a recal\u0642 \u0627\u0644\u0646\u0627\u0634\u0631 \u0642\u064a\u0645\u0629 CRC-32 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0643\u062a\u0644\u0629 \u0627\u0644\u0645\u064f\u0633\u062a\u0644\u0645.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u062d\u0642\u0642:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0661\u0665. \u0627\u0644\u0625\u0637\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0644\u0645 \u2192 \u0625\u0639\u0627\u062f\u0629 \u062d\u0633\u0627\u0628 CRC \u2192 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639 FCS<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0646\u062a\u0647\u064a \u0628\u0646\u062a\u064a\u062c\u0629 \u0645\u0646 \u0646\u0648\u0639\u064a\u0646:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 317px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"317\"><p>\u0663\u0664.\u200f \u0627\u0644\u0646\u062a\u064a\u062c\u0629<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0663\u0666. \u0627\u0644\u0625\u062c\u0631\u0627\u0621<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"317\"><p>CRC \u064a\u062a\u0637\u0627\u0628\u0642 \u0645\u0639 FCS<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u064a\u062a\u0645 \u0642\u0628\u0648\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"317\"><p>CRC \u0644\u0627 \u064a\u062a\u0637\u0627\u0628\u0642 \u0645\u0639 FCS<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u064a\u062a\u0645 \u0631\u0641\u0636 \u0627\u0644\u0646\u0645\u0648\u0630\u062c<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0627 \u0627\u0644\u0646\u0638\u0627\u0645 \u064a\u0633\u0645\u062d \u0644\u0644\u0623\u062c\u0647\u0632\u0629 Ethernet \u0628\u0625\u064a\u062c\u0627\u062f \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0641\u064a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0646\u0633\u062e\u0629 \u0628\u0633\u0628\u0628 \u062e\u0637\u0623 \u0627\u0644\u0625\u0631\u0633\u0627\u0644\u060c \u0627\u0644\u0636\u0648\u0636\u0627\u0621\u060c \u0623\u0648 \u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0641\u0631\u062f\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0633\u0644\u0648\u0643 \u0627\u063a\u0644\u0627\u0642 \u0627\u0644\u0646\u0645\u0627\u0630\u062c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0630\u0627 \u0644\u0645 \u062a\u062a\u0637\u0627\u0628\u0642\u062a \u0627\u0644\u0642\u064a\u0645 CRC \u0627\u0644\u062a\u064a \u062a\u0645 \u062d\u0633\u0627\u0628\u0647\u0627 \u0628\u0639\u062f \u0627\u0633\u062a\u0644\u0627\u0645 \u0627\u0644\u0643\u062a\u0644\u0629\u060c \u0641\u0625\u0646 \u0627\u0644\u0643\u062a\u0644\u0629 Ethernet \u062a\u062a\u0628\u0639 \u0641\u0648\u0631\u064b\u0627.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0648\u0627\u0645\u0644 \u0634\u0627\u0626\u0639\u0629 \u062a\u0633\u0628\u0628 \u0641\u064a\u0647\u0627 \u0627\u0644\u0643\u062a\u0644 \u063a\u064a\u0631 \u0627\u0644\u0645\u0631\u0633\u0644\u0629 \u0647\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0627\u0644\u0623\u0633\u0644\u0627\u0643 Ethernet \u0627\u0644\u0645\u062a\u0636\u0631\u0631\u0629<\/p><\/li><li><p>\u0645\u0642\u0628\u0633 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0645\u062a\u0633\u062e<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.rj45-modularjack.com\/news\/what-is-electromagnetic-interference-emi-and-why-it-matters-259389.html\">\u0663\u0662. \u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a (EMI)<\/a><\/p><\/li><li><p>\u0627\u0644\u0639 mods Optical (SFP \/ QSFP) \u0627\u0644\u062e\u0627\u0637\u0631<\/p><\/li><li><p>\u0627\u0644\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0627\u0644\u0623\u062f\u0627\u0621 \u0639\u0644\u0649 \u0627\u0644\u0631\u0648\u062a\u064a\u0646\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062f\u0642\u0629<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0667. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u2192 10101010<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u062d\u062a\u0649 \u062a\u063a\u064a\u064a\u0631 \u0648\u0627\u062d\u062f \u0641\u0642\u0637 \u0642\u062f \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062e\u0644\u0644 \u0641\u064a \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 CRC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0627\u062a Enterprise \u0648\u0627\u0644Centers\u060c \u064a\u0634\u064a\u0631 \u0632\u064a\u0627\u062f\u0629 \u0639\u062f\u062f \u0627\u0644\u062d\u0631\u0648\u0641 CRC\/FCS \u0639\u0644\u0649 \u0645\u062d\u0648\u0644\u0627\u062a \u0625\u0644\u0649 \u0645\u0634\u0643\u0644\u0627\u062a Transmitting \u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0634\u0643\u0644 \u0623\u0633\u0627\u0633\u064a \u0628\u0634\u0628\u0643\u0629 Fiber \u0648\u0623\u0632\u0648\u0627\u062c Transceivers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 \u0645\u0627 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 FCS \u0648CRC \u0648Checksum TCP\u061f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \u0647\u0648 \u0627\u0644\u0640 Algorithm; FCS \u0647\u0648 \u0627\u0644\u062d\u0642\u0644 \u0627\u0644\u0630\u064a \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0646\u062a\u064a\u062c\u0629 CRC \u062f\u0627\u062e\u0644 frame Ethernet. checksum TCP \u0645\u062e\u062a\u0644\u0641: \u064a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 4 \u0648\u064a\u0639uard TCP segment\u060c \u0628\u064a\u0646\u0645\u0627 FCS \u064a\u062d\u0645\u064a frame Layer 2. \u0644\u0623\u0646 \u0647\u0630\u0647 \u0627\u0644\u062a\u062d\u0642\u0642 \u0641\u064a \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629\u060c \u064a\u062d\u0644\u0648 \u0645\u062d\u0644\u0647\u0627 \u0645\u0634\u0643\u0644\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629 \u0648\u0644\u064a\u0633\u062a \u0645\u0646\u0627\u0633\u0628\u062a\u0627\u0646 \u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0628\u0639\u0636\u0647\u0645\u0627.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7e27c0cf2856496d8df3941e8d3d96e0.jpg\" alt=\"FCS vs. CRC vs. TCP Checksum: What Is the Difference?\" class=\"wp-image-7271\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7e27c0cf2856496d8df3941e8d3d96e0.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7e27c0cf2856496d8df3941e8d3d96e0-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7e27c0cf2856496d8df3941e8d3d96e0-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7e27c0cf2856496d8df3941e8d3d96e0-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7e27c0cf2856496d8df3941e8d3d96e0-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0645\u0627 \u0647\u0648 CRC\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC (Cyclic Redundancy Check) \u0647\u0648 \u0627\u0644\u0640 Algorithm \u0627\u0644\u0631\u064a\u0627\u0636\u064a \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0644\u0644\u0643\u0634\u0641 \u0639\u0646 \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0646\u0642\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a Ethernet: CRC-32<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \u064a\u062d\u0644\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u062b\u0646\u0627\u0626\u064a \u0644\u0640 frame Ethernet \u0648\u064a\u0639\u064a\u062f \u0635\u064a\u063a\u062a\u0647 \u0642\u064a\u0645\u0629 \u062a\u062d\u0642\u0642 \u0641\u0631\u064a\u062f\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0662. \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0663\u0663. \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0625\u0637\u0627\u0631 \u2192 \u062d\u0633\u0627\u0628 CRC \u2192 \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0641\u064a FCS<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \u0646\u0641\u0633\u0647 \u0644\u064a\u0633 \u062d\u0642\u0644\u064b\u0627 \u0645\u0631\u0626\u064a\u064b\u0627 \u0641\u064a frame. \u0625\u0646\u0647 \u0645\u062c\u0631\u062f \u0637\u0631\u064a\u0642\u0629 \u062d\u0633\u0627\u0628\u064a\u0629 \u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0644\u0625\u0646\u0634\u0627\u0621 \u0642\u064a\u0645\u0629 FCS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0645\u0627 \u0647\u0648 FCS\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">FCS (Frame Check Sequence) \u0647\u0648 \u0627\u0644\u062d\u0642\u0644 \u0627\u0644\u062d\u0642\u064a\u0642\u064a \u0627\u0644\u0630\u064a \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 4 bytes \u0648\u064a\u0642\u0639 \u0641\u064a \u0646\u0647\u0627\u064a\u0629 frame Ethernet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0645\u062e\u0637\u0637 \u0627\u0644\u0628\u0633\u064a\u0637:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0666. | \u0631\u0623\u0633 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a | \u0627\u0644\u062d\u0645\u0648\u0644\u0629 | FCS |<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u062d\u062a\u0648\u064a FCS \u0639\u0644\u0649 \u0646\u062a\u064a\u062c\u0629 CRC \u0627\u0644\u062a\u064a \u062d\u0633\u0628\u0647\u0627 \u0627\u0644\u0645\u064f\u0635\u062f\u0631. \u0627\u0644\u062c\u0647\u0627\u0632 RECEIVER \u064a\u062d\u0633\u0628 CRC \u0645\u0631\u0629 \u0623\u062e\u0631\u0649 \u0648\u064a\u0642\u0627\u0631\u0646\u0647 \u0628\u0642\u064a\u0645\u0629 FCS \u0627\u0644\u0645\u0623\u062e\u0648\u0630\u0629 \u0644\u062a\u0623\u0643\u064a\u062f \u0633\u0644\u0627\u0645\u0629 frame.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0630\u0627 \u0644\u0645 \u062a\u062a\u0637\u0627\u0628\u0642 \u0627\u0644\u0642\u064a\u0645:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0663\u0664. \u0631\u0641\u0636 \u0627\u0644\u0625\u0637\u0627\u0631<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0627 \u0627\u0644\u0625\u062c\u0631\u0627\u0621 \u064a\u0633\u0627\u0639\u062f \u0639\u0644\u0649 \u0627\u0643\u062a\u0634\u0627\u0641 frame \u0636\u0631\u0631 \u0628\u0633\u0628\u0628 \u062e\u0644\u0644 \u0641\u064a \u0643\u0627\u0628\u0644\u060c \u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 module optics\u060c \u0623\u0648 \u0623\u062e\u0637\u0627\u0621 \u0641\u064a \u0627\u0644\u0625\u0634\u0627\u0631\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0645\u0627 \u0647\u0648 checksum TCP\u061f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">checksum TCP \u0647\u0648 \u0622\u0644\u064a\u0629 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0623\u0645\u0627\u0646 \u0641\u064a \u0645\u0633\u062a\u0648\u0649 4 \u0627\u0644\u062a\u064a \u062a\u0633\u062a\u062e\u062f\u0645\u0647\u0627 \u0627\u0644\u0640 TCP Protocol.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike FCS\u060c \u064a\u062d\u0645\u064a TCP checksum frame \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 Ethernet \u0641\u0642\u0637\u060c \u0644\u0643\u0646\u0647 \u064a\u062d\u0645\u064a segment TCP \u0639\u0628\u0631 \u0627\u0644\u0645\u0633\u0627\u0631 \u0627\u0644\u0643\u0627\u0645\u0644 \u0645\u0646 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0645\u0646 \u0627\u0644\u0637\u0631\u0641\u064a\u0646.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TCP checksum \u064a\u062a\u062d\u0642\u0642 \u0645\u0646:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>header TCP<\/p><\/li><li><p>\u0663\u0665. \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062d\u0645\u0648\u0644\u0629<\/p><\/li><li><p>\u0645\u0639\u0644\u0648\u0645\u0627\u062a pseudo-header<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0645\u062e\u0637\u0637 \u0627\u0644\u0628\u0633\u064a\u0637:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0661. \u0645\u0642\u0637\u0639 TCP \u2192 \u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u2192 \u0627\u0644\u062a\u062d\u0642\u0642 \u0639\u0646\u062f \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u062d\u062a\u0649 \u0644\u0648 \u0627\u062c\u062a\u0627\u0632 frame Ethernet \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 FCS \u0628\u0646\u062c\u0627\u062d\u060c \u0642\u062f \u064a\u0641\u0634\u0644 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 checksum TCP \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644 \u0625\u0630\u0627 \u062d\u062f\u062b \u0636\u0631\u0631 \u0641\u064a \u0637\u0628\u0642\u0629 \u0627\u0644\u0634\u0628\u0643\u0629 \u0627\u0644\u0623\u062e\u0631\u0649.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Differences Between FCS, CRC, and TCP Checksum<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0662. \u0639\u0646\u0635\u0631<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0664.\u200f \u0637\u0628\u0642\u0629 \u0646\u0645\u0648\u0630\u062c OSI<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0663. \u064a\u062d\u0645\u064a<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0664. \u062d\u064a\u062b \u064a\u0648\u062c\u062f<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0665. \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (FCS)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0662\u0661. \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 (Layer 2)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0666. \u0625\u0637\u0627\u0631 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0667. \u0646\u0647\u0627\u064a\u0629 \u0625\u0637\u0627\u0631 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0661\u0660. CRC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0668. \u0645\u0641\u0647\u0648\u0645 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0669. \u062d\u0633\u0627\u0628 \u0643\u0634\u0641 \u0627\u0644\u0623\u062e\u0637\u0627\u0621<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0661\u0660. \u064a\u064f\u062d\u0633\u0628 \u0648\u064a\u064f\u062e\u0632\u0646 \u0641\u064a \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (FCS)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0661\u0661. \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u062e\u0627\u0635 \u0628\u0640 TCP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0661\u0662. \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0631\u0627\u0628\u0639\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0661\u0663. \u0645\u0642\u0637\u0639 TCP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>header TCP<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 Why Do FCS Errors Happen on Switches, NICs, Fiber Links, and Optical Modules?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0664. \u062a\u0634\u064a\u0631 \u0623\u062e\u0637\u0627\u0621 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (FCS) \u0639\u0627\u062f\u0629\u064b \u0625\u0644\u0649 \u0648\u0635\u0648\u0644 \u0627\u0644\u0625\u0637\u0627\u0631 \u0645\u0634\u0648\u064e\u0651\u0634\u064b\u0627 \u0641\u064a \u0645\u0643\u0627\u0646\u064d \u0645\u0627 \u0639\u0644\u0649 \u0637\u0648\u0644 \u0627\u0644\u0645\u0633\u0627\u0631. \u0648\u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629\u060c \u062a\u0643\u0648\u0646 \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u062c\u0630\u0631\u064a\u0629 \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0626\u064a\u0629 \u0623\u0648 \u0628\u062c\u0648\u062f\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644: \u0643\u0627\u0628\u0644\u0627\u062a \u0645\u0639\u0637\u0648\u0628\u0629\u060c \u0648\u0645\u0648\u0635\u0644\u0627\u062a \u0623\u0644\u064a\u0627\u0641 \u0636\u0648\u0626\u064a\u0629 \u0645\u062a\u0633\u062e\u0629\u060c \u0648\u0628\u0635\u0631\u064a\u0627\u062a \u063a\u064a\u0631 \u0645\u062a\u0648\u0627\u0641\u0642\u0629\u060c \u0623\u0648 \u0633\u0644\u0648\u0643 \u063a\u064a\u0631 \u0635\u062d\u064a\u062d \u0644\u0644\u0641\u062c\u0648\u0629 \u0628\u064a\u0646 \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a\u060c \u0623\u0648 \u0648\u062d\u062f\u0629 \u0628\u0635\u0631\u064a\u0629 \u0645\u0639\u0637\u0644\u0629. \u0648\u062a\u0648\u0636\u062d \u0648\u062b\u0627\u0626\u0642 \u0634\u0631\u0643\u0629 \u0633\u064a\u0633\u0643\u0648 \u0623\u0646 \u0623\u062e\u0637\u0627\u0621 \u062a\u062d\u0642\u0642 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u062f\u0648\u0631\u064a (CRC)\/\u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (FCS) \u0642\u062f \u062a\u0638\u0647\u0631 \u0643\u0623\u062e\u0637\u0627\u0621 \u0625\u062f\u062e\u0627\u0644 \u0623\u0648 \u0641\u0642\u062f\u0627\u0646 \u062d\u0632\u0645 \u0639\u0644\u0649 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u062a\u0635\u0644\u0629\u060c \u0648\u0623\u0646 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0643\u0645\u0646 \u0641\u064a \u0645\u0633\u0627\u0631 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u060c \u0648\u0644\u064a\u0633 \u0641\u064a \u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0639\u0644\u064a\u0627.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/40fb162a76634c70b44172d8cc18c143.jpg\" alt=\"Why Do FCS Errors Happen on Switches, NICs, Fiber Links, and Optical Modules?\" class=\"wp-image-7272\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/40fb162a76634c70b44172d8cc18c143.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/40fb162a76634c70b44172d8cc18c143-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/40fb162a76634c70b44172d8cc18c143-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/40fb162a76634c70b44172d8cc18c143-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/40fb162a76634c70b44172d8cc18c143-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0661\u0665. \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u0646\u062d\u0627\u0633\u064a\u0629<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0666. \u062a\u064f\u0639\u062f \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a\u064a\u0629 \u0627\u0644\u062a\u0627\u0644\u0641\u0629 \u0623\u0648 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062c\u0648\u062f\u0629 \u0648\u0627\u062d\u062f\u0629 \u0645\u0646 \u0623\u0643\u062b\u0631 \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0634\u064a\u0648\u0639\u064b\u0627 \u0644\u0623\u062e\u0637\u0627\u0621 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (FCS).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0667. \u0648\u062a\u0634\u0645\u0644 \u0627\u0644\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0661\u0668. \u0623\u0632\u0648\u0627\u062c \u0643\u0627\u0628\u0644\u0627\u062a \u0645\u0643\u0633\u0648\u0631\u0629<\/p><\/li><li><p>\u0661\u0669. \u062f\u0631\u0639 \u0636\u0639\u064a\u0641<\/p><\/li><li><p>\u0662\u0660. \u062b\u0646\u064a \u0645\u0641\u0631\u0637 \u0644\u0644\u0643\u0627\u0628\u0644<\/p><\/li><li><p>\u0662\u0661. \u0641\u0626\u0629 \u0643\u0627\u0628\u0644 \u063a\u064a\u0631 \u0645\u0646\u0627\u0633\u0628\u0629<\/p><\/li><li><p>\u0662\u0662. \u0648\u0635\u0644\u0627\u062a RJ45 \u0641\u0636\u0641\u0627\u0636\u0629<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0663. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0643\u0627\u0628\u0644 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/cat5e-vs-cat6-vs-cat7-ethernet-cable\/\">\u0662\u0664. \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 Cat5e<\/a> \u0662\u0665. \u064a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0646\u0642\u0644 \u062d\u0631\u0643\u0629 \u0645\u0631\u0648\u0631 10GBASE-T \u0642\u062f \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0623\u062e\u0637\u0627\u0621 \u0628\u062a \u062a\u064f\u0641\u0633\u062f \u0625\u0637\u0627\u0631\u0627\u062a \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0625\u0631\u0633\u0627\u0644.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0662\u0666. \u062a\u0644\u0648\u062b \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0636\u0648\u0626\u064a\u0629<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0667. \u062a\u064f\u0639\u062f \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0636\u0648\u0626\u064a\u0629 \u0627\u0644\u0645\u062a\u0633\u062e\u0629 \u0623\u0648 \u0627\u0644\u062a\u0627\u0644\u0641\u0629 \u0645\u0635\u062f\u0631\u064b\u0627 \u0631\u0626\u064a\u0633\u064a\u064b\u0651\u0627 \u0644\u0623\u062e\u0637\u0627\u0621 \u062a\u062d\u0642\u0642 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u062f\u0648\u0631\u064a (CRC)\/\u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (FCS) \u0641\u064a \u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0668. \u0628\u0644 \u0625\u0646 \u062c\u0633\u064a\u0645\u0627\u062a \u0627\u0644\u063a\u0628\u0627\u0631 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629 \u0639\u0644\u0649 \u0645\u0648\u0635\u0644\u0627\u062a LC \u0623\u0648 MPO \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0633\u0628\u0628 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0662\u0669. \u062a\u0648\u0647\u064a\u0646 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0636\u0648\u0626\u064a\u0629<\/p><\/li><li><p>\u0663\u0660. \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0627\u0646\u0639\u0643\u0627\u0633<\/p><\/li><li><p>\u0663\u0661. \u0627\u0631\u062a\u0641\u0627\u0639 \u0645\u0639\u062f\u0644 \u062e\u0637\u0623 \u0627\u0644\u0628\u062a (BER)<\/p><\/li><li><p>\u062a\u0644\u0641 \u0627\u0644\u062d\u0632\u0645<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663\u0662. \u0648\u062a\u0634\u0645\u0644 \u0645\u0635\u0627\u062f\u0631 \u0627\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0663\u0663. \u063a\u0628\u0627\u0631 \u0639\u0644\u0649 \u0645\u0648\u0635\u0644\u0627\u062a LC<\/p><\/li><li><p>\u0663\u0664. \u062d\u0644\u0642\u0627\u062a \u0641\u064a\u0631\u0648\u0644 \u0645\u062a\u0636\u0631\u0631\u0629<\/p><\/li><li><p>\u0663\u0665. \u0625\u062c\u0631\u0627\u0621\u0627\u062a \u062a\u0646\u0638\u064a\u0641 \u063a\u064a\u0631 \u0635\u062d\u064a\u062d\u0629<\/p><\/li><li><p>\u0663\u0666. \u062a\u0631\u0627\u0646\u0643\u0627\u062a MPO \u0645\u0644\u0648\u062b\u0629<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0663\u0667. \u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0628\u0635\u0631\u064a\u0629<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663\u0668. \u062a\u0633\u0628\u0628 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0628\u0635\u0631\u064a\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0623\u0648 \u063a\u064a\u0631 \u0627\u0644\u0645\u0633\u062a\u0642\u0631\u0629 \u0623\u062e\u0637\u0627\u0621 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (FCS) \u0648\u062a\u062d\u0642\u0642 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u062f\u0648\u0631\u064a (CRC) \u0628\u0634\u0643\u0644 \u0645\u062a\u0643\u0631\u0631 \u0641\u064a \u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0645\u0624\u0633\u0633\u0627\u062a <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/what-is-a-network-switch\/\">\u0661. \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d<\/a> \u0661\u0667. \u0648 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/what-is-servers-components-types-functions\/\">\u0663. \u0627\u0644\u062e\u0648\u0627\u062f\u0645<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663\u0669. \u0648\u062a\u0634\u0645\u0644 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0628\u0635\u0631\u064a\u0629 \u0627\u0644\u0645\u062a\u0623\u062b\u0631\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478230.htm\">\u0665. \u0648\u062d\u062f\u0627\u062a SFP<\/a><\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\">\u0662\u0667.\u200f \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0625\u0631\u0633\u0627\u0644 \u0648\u0627\u0644\u0627\u0633\u062a\u0642\u0628\u0627\u0644 SFP+<\/a><\/p><\/li><li><p>\u0664\u0660. \u0648\u062d\u062f\u0627\u062a \u0628\u0635\u0631\u064a\u0629 QSFP\/QSFP28<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/direct-attach-cables-dac-in-networking\/\">\u0669. DAC<\/a> \u0661\u0667. \u0648 <a target=\"_self\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/aoc-explained-active-optical-cable-benefits-uses-advancements-guide\/\">\u0665\u0660. AOC<\/a> \u0664\u0661. \u0643\u0627\u0628\u0644\u0627\u062a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u062a\u0634\u0645\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0664\u0662. \u0645\u0634\u0627\u0643\u0644 \u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0645\u0648\u0631\u0650\u0651\u062f\u064a\u0646<\/p><\/li><li><p>\u0664\u0663. \u063a\u064a\u0631 \u0645\u0646\u0627\u0633\u0628 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/how-eeprom-powers-sfp-and-qsfp-optical-modules\/\">\u0662\u0666. \u0630\u0627\u0643\u0631\u0629 EEPROM<\/a> \u0664\u0664. \u0645\u0639\u0627\u064a\u064a\u0631<\/p><\/li><li><p>\u0664\u0665. \u062e\u0631\u062c \u0644\u064a\u0632\u0631\u064a \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631<\/p><\/li><li><p>\u0666\u0660. \u0636\u0639\u064a\u0641 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/glossary\/digital-signal-processor-functionality-in-optical-transceivers\/\">\u0661. \u0645\u0639\u0627\u0644\u062c \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0631\u0642\u0645\u064a\u0629<\/a> \u0664\u0666. \u0636\u0628\u0637 \u062a\u0631\u062f\u062f\u064a<\/p><\/li><li><p>\u0664\u0667. \u0645\u062d\u0648\u0644\u0627\u062a \u0625\u0631\u0633\u0627\u0644 \u0648\u0627\u0633\u062a\u0642\u0628\u0627\u0644 \u063a\u064a\u0631 \u0645\u0639\u062a\u0645\u062f\u0629<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0664\u0668. \u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0645\u062b\u0627\u0644:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 337px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"337\"><p>\u0664\u0669. \u0645\u0634\u0643\u0644\u0629 \u0628\u0635\u0631\u064a\u0629<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0665\u0660. \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"337\"><p>\u0665\u0661. \u0648\u062d\u062f\u0629 SFP+ \u063a\u064a\u0631 \u0645\u062a\u0648\u0627\u0641\u0642\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0665\u0662. \u0623\u062e\u0637\u0627\u0621 \u062a\u062d\u0642\u0642 \u062a\u0643\u0631\u0627\u0631\u064a (CRC) \u0645\u062a\u0642\u0637\u0639\u0629<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"337\"><p>\u0665\u0663. \u0648\u062d\u062f\u0629 \u0628\u0635\u0631\u064a\u0629 QSFP28 \u0645\u0639\u0637\u0644\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u062a\u0644\u0641 \u0627\u0644\u062d\u0632\u0645<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"337\"><p>\u0665\u0664. \u0643\u0627\u0628\u0644 DAC \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u062c\u0648\u062f\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0665\u0665. \u0641\u0642\u062f\u0627\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"337\"><p>\u0665\u0666. \u0648\u062d\u062f\u0629 \u0628\u0635\u0631\u064a\u0629 \u0645\u0633\u062e\u0646\u0629 \u0628\u0634\u0643\u0644 \u0632\u0627\u0626\u062f<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0665\u0667. \u0641\u0642\u062f\u0627\u0646 \u0625\u0637\u0627\u0631\u0627\u062a \u0639\u0634\u0648\u0627\u0626\u064a<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0665\u0668. \u0648\u0641\u064a \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0646\u0634\u0631 \u0627\u0644\u0641\u0639\u0644\u064a\u0629\u060c \u064a\u0624\u062f\u064a \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0645\u062d\u0648\u0644 \u0627\u0644\u0625\u0631\u0633\u0627\u0644 \u0648\u0627\u0644\u0627\u0633\u062a\u0642\u0628\u0627\u0644 \u0627\u0644\u0628\u0635\u0631\u064a \u0641\u0648\u0631\u064b\u0627 \u0625\u0644\u0649 \u062d\u0644 \u0645\u0634\u0627\u0643\u0644 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (FCS) \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0661. \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u0634\u064a\u062e\u0648\u062e\u0629<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662. \u0642\u062f \u062a\u0635\u0628\u062d \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0628\u0635\u0631\u064a\u0629 \u0648\u0628\u0637\u0627\u0642\u0627\u062a \u0627\u0644\u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0634\u0628\u0643\u064a\u0629 (NICs) \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631\u0629 \u0645\u0639 \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0623\u0648 \u062a\u0642\u062f\u0645 \u0645\u0643\u0648\u0646\u0627\u062a\u0647\u0627 \u0641\u064a \u0627\u0644\u0639\u0645\u0631 \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0634\u0627\u0643\u0644 \u062a\u0624\u062f\u064a \u0625\u0644\u0649 \u0627\u0644\u0634\u064a\u062e\u0648\u062e\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u062a\u0634\u0645\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u062a\u062f\u0647\u0648\u0631 \u0642\u0648\u0629 \u0627\u0644\u0644\u064a\u0632\u0631<\/p><\/li><li><p>\u062a\u063a\u064a\u0631 \u062d\u0631\u0627\u0631\u064a<\/p><\/li><li><p>\u0632\u064a\u0627\u062f\u0629 BER<\/p><\/li><li><p>\u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/glossary\/clock-and-data-recovery-in-modern-communication-systems\/\">\u062a\u0623\u062e\u064a\u0631 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0648\u0642\u062a<\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0633\u0644\u0648\u0643 \u0639\u0627\u062f\u064a:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 310px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"310\"><p>\u062d\u0627\u0644\u0629<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0645\u0631\u0636\u064a<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"310\"><p>\u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0639\u0627\u0644\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0641\u062a\u0627\u062d<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u062a\u062c\u0627\u0648\u0632\u0627\u062a CRC<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"310\"><p>\u0645\u0648\u062f\u0648\u0644 \u0633\u0644\u0641\u064a \u0645\u062a\u0623\u062b\u0631 \u0628\u0627\u0644\u0634\u064a\u062e\u0648\u062e\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0641\u0642\u062f\u0627\u0646 \u062d\u0632\u0645 \u0645\u062a\u0642\u0637\u0639<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"310\"><p>\u0648\u0642\u062a \u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u0637\u0648\u064a\u0644<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0623\u062e\u0637\u0627\u0621 \u062a\u0632\u0627\u064a\u062f \u0641\u064a \u0627\u0644\u0648\u0627\u062c\u0647\u0629<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"310\"><p>\u062a\u062d\u0645\u064a\u0644 \u0639\u0627\u0644 \u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0627\u062a\u0635\u0627\u0644<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0627 \u0647\u0648 \u0627\u0644\u0633\u0628\u0628 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/what-is-a-data-center\/\">\u0669. \u0645\u0631\u0643\u0632 \u0628\u064a\u0627\u0646\u0627\u062a<\/a> \u0645 operators \u064a\u0631\u0627\u0642\u0628\u0648\u0646 \u0645\u0624\u0634\u0631\u0627\u062a DOM\/DDM \u0645\u062b\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0642\u0648\u0629 Tx<\/p><\/li><li><p>\u0642\u0648\u0629 Rx<\/p><\/li><li><p>\u0665\u0660. \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0648\u062d\u062f\u0629<\/p><\/li><li><p>\u062a\u064a\u0627\u0631 \u062a\u0628\u0627\u062f\u0644<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u062a\u0623\u0647\u064a\u0644\u0629 \u0642\u0628\u0644 \u062d\u062f\u0648\u062b \u062e\u0644\u0644 \u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0629 \u0627\u0644\u0643\u0627\u0645\u0644\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0627\u0644\u0641\u0627\u0635\u0644 \u0628\u064a\u0646 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0648\u0627\u0644\u0633\u0644\u0648\u0643 \u0627\u0644\u0632\u0645\u0646\u064a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0645\u0643\u0646 \u0623\u064a\u0636\u064b\u0627 \u062d\u062f\u0648\u062b \u0623\u062e\u0637\u0627\u0621 FCS \u0639\u0646\u062f\u0645\u0627 \u062a\u062a\u063a\u064a\u0631 \u0633\u0644\u0648\u0643 Ethernet \u0627\u0644\u0632\u0645\u0646\u064a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0639\u062a\u0645\u062f \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0642\u064a\u062a \u0627\u0644\u062f\u0642\u064a\u0642 \u0628\u064a\u0646 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0633\u0644\u0648\u0643 \u0627\u0644\u0641\u0627\u0635\u0644 \u0627\u0644\u0632\u0645\u0646\u064a \u0627\u0644\u0635\u062d\u064a\u062d (IPG). \u0625\u0630\u0627 \u062a\u0645 \u0625\u0631\u0633\u0627\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0628\u0633\u0631\u0639\u0629 \u0623\u0648 \u0623\u0635\u0628\u062d\u062a \u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u0627\u0644\u0632\u0645\u0646\u064a \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631\u060c \u0642\u062f \u064aPROCESS \u0627\u0644\u0645\u062a\u0627\u0628\u0639\u064a\u0646 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0628\u0634\u0643\u0644 \u062e\u0627\u0637\u0626 \u0627\u0644\u062d\u062f\u0648\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0647\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0628\u0631\u0627\u0645\u062c NIC \u063a\u064a\u0631 \u0645\u0648\u062b\u0648\u0642\u0629<\/p><\/li><li><p>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u0648\u0642\u064a\u062a \u0641\u064a PHY<\/p><\/li><li><p>\u0645\u0634\u0627\u0643\u0644 \u0641\u064aasic<\/p><\/li><li><p>\u062a\u0631\u062f\u062f\u0627\u062a \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0645\u062e\u0637\u0637 \u0627\u0644\u0628\u0633\u064a\u0637:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u0648\u0642\u064a\u062a<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u062a\u0648\u0642\u064a\u062a \u0630\u0627\u062a\u0647\u0627 \u0623\u0642\u0644 \u0634\u064a\u0648\u0639\u064b\u0627 \u0645\u0646 \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0623\u0648 \u0627\u0644\u0623\u062c\u0647\u0632\u0629\u060c \u0625\u0644\u0627 \u0623\u0646\u0647\u0627 \u062a\u0635\u0628\u062d \u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629 \u0641\u064a Environments \u0645\u062b\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0625\u064a\u062b\u0631\u0646\u062a 100G<\/p><\/li><li><p>Ethernet 400G<\/p><\/li><li><p>\u0634\u0628\u0643\u0627\u062a AI Cluster<\/p><\/li><li><p>\u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0647\u064a\u0628\u0631\u0633\u0643\u0627\u0644<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0647\u0630\u0647 Environments\u060c \u062d\u062a\u0649 \u0623\u0635\u063a\u0631 \u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0627\u0644\u062a\u0648\u0642\u064a\u062a \u0623\u0648 \u0627\u0644\u062a\u0648\u0642\u064a\u062a \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0632\u062f\u0627\u062f \u0645\u0624\u0634\u0631\u0627\u062a CRC\/FCS \u0639\u0644\u0649 \u0648\u0627\u062c\u0647\u0627\u062a \u0627\u0644\u0645 switches \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 \u0643\u064a\u0641 \u0646\u062d\u0644\u0644 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 CRC\/FCS \u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0648\u0627\u0642\u0639\u064a\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0623\u0641\u0636\u0644 \u0637\u0631\u064a\u0642\u0629 \u0644\u062d\u0644 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 CRC\/FCS \u0647\u064a \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0645\u0627\u062f\u064a \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629. \u0641\u064a Environments Ethernet \u0627\u0644\u0648\u0627\u0642\u0639\u064a\u0629\u060c \u062a\u0643\u0648\u0646 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u062a\u0631\u062f\u062f\u0629 \u0639\u0627\u062f\u0629 \u0628\u0633\u0628\u0628 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0623\u0648 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a\u060c \u0623\u0648 \u0627\u0644\u0645\u0648\u062fulers \u0627\u0644\u0636\u0648\u0626\u064a\u060c \u0623\u0648 \u0645\u0634\u0627\u0643\u0644 \u062c\u0648\u062f\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629\u060c \u0648\u0644\u064a\u0633 \u0628\u0633\u0628\u0628 \u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u0648\u064a. \u064a\u0645\u064a\u0644 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 Network \u0625\u0644\u0649 \u0627\u062a\u0628\u0627\u0639 \u0639\u0645\u0644\u064a\u0629 \u0628\u0633\u064a\u0637\u0629 \u201cCheck, Replace, and Compare\u201d: \u062a\u0641\u0631\u064a\u0636 \u0627\u0644\u0633\u0644\u0643 \u0623\u0648 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u060c \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0642\u0628\u0633\u060c \u062a\u0628\u0627\u062f\u0644 \u0627\u0644\u0645\u0648\u062f\u0648\u0644 SFP\/QSFP\u060c \u0648\u062a\u0641\u0631\u064a\u0636 \u0645\u0624\u0634\u0631\u0627\u062a \u0627\u0644\u0639\u062f\u062f \u0639\u0644\u0649 \u0643\u0644\u0627 \u0627\u0644\u0637\u0631\u0641\u064a\u0646\u060c \u0648\u062a\u0641\u0631\u064a\u0636 \u0645\u0624\u0634\u0631\u0627\u062a DOM\/DDM \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u063a\u064a\u0631 \u0627\u0644\u0645\u0633\u062a\u0642\u0631.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9dfdfe7a7a83414a93769dc2f15ac38f.jpg\" alt=\"How to Troubleshoot CRC\/FCS Errors in Real Networks\" class=\"wp-image-7273\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9dfdfe7a7a83414a93769dc2f15ac38f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9dfdfe7a7a83414a93769dc2f15ac38f-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9dfdfe7a7a83414a93769dc2f15ac38f-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9dfdfe7a7a83414a93769dc2f15ac38f-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9dfdfe7a7a83414a93769dc2f15ac38f-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u062e\u0637\u0623 CRC\/FCS \u0645\u0633\u062a\u0645\u0631 \u064a\u062c\u0628 \u0623\u0646 \u0644\u0627 \u064a\u064fIGNORE\u060c \u062e\u0627\u0635\u0629 \u0639\u0644\u0649 \u062e\u0631\u0627\u0637\u064a\u0645 10G\u060c 25G\u060c 100G\u060c \u0623\u0648 400G\u060c \u062d\u064a\u062b \u0623\u0646 \u0623\u064a \u0632\u064a\u0627\u062f\u0629 \u0635\u063a\u064a\u0631\u0629 \u0641\u064a \u0645\u0639\u062f\u0644 \u062e\u0637\u0623 \u0641\u064a bits (BER) \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0641\u0642\u062f\u0627\u0646 \u062d\u0632\u0645 \u0648\u0645\u062d\u0627\u0648\u0644\u0627\u062a \u0625\u0639\u0627\u062f\u0629-send.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u062e\u0637\u0648\u0629 1: \u062a\u062d\u0642\u0642 \u0645\u0646 \u0645\u0624\u0634\u0631\u0627\u062a \u0627\u0644\u0634\u0628\u0643\u0629<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u062f\u0621\u064b\u0627 \u0628\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0645\u0624\u0634\u0631\u0627\u062a \u0627\u0644\u0634\u0628\u0643\u0629 \u0639\u0644\u0649 \u062e\u0631\u0627\u0637\u064a\u0645\u060c \u0623\u0648 \u0631\u0648\u062a\u0631\u0627\u062a\u060c \u0623\u0648 \u062e\u0631\u0627\u0637\u064a\u0645.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0623\u0648\u0627\u0645\u0631 \u0627\u0644\u0634\u0627\u0626\u0639\u0629: show interface<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0623\u0648 \u0639\u0644\u0649 \u0646\u0638\u0627\u0645 \u062a\u0634\u063a\u064a\u0644: ethtool -S eth0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0628\u062d\u062b \u0639\u0646 \u0645\u0624\u0634\u0631\u0627\u062a \u0645\u062b\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0644\u0645\u0627\u0630\u0627 \u064a\u0643\u0648\u0646 \u0636\u0648\u0621 \u0631\u0627\u0628\u0637 SFP \u0645\u0637\u0641\u0623\u061f<\/p><\/li><li><p>\u062e\u0637\u0623 FCS<\/p><\/li><li><p>\u062e\u0637\u0623 \u0648\u0631\u0648\u062f<\/p><\/li><li><p>\u062e\u0637\u0623 \u062a\u062c\u0627\u0646\u0633<\/p><\/li><li><p>\u0641\u0642\u062f\u0627\u0646 \u062d\u0632\u0645<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u062a\u0641\u0633\u064a\u0631 \u0627\u0644\u0634\u0627\u0626\u0639:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 314px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"314\"><p>\u0633\u0644\u0648\u0643 \u0645\u0624\u0634\u0631\u0627\u062a<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0627\u0644\u0633\u0628\u0628 \u0627\u0644\u0645\u062d\u062a\u0645\u0644<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"314\"><p>\u062e\u0637\u0623 FCS \u064a\u0632\u062f\u0627\u062f \u0628\u0628\u0637\u0621<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0645\u0634\u0643\u0644\u0629 \u0635\u063a\u064a\u0631\u0629 \u0641\u064a \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"314\"><p>\u062e\u0637\u0623 FCS \u064a\u0632\u062f\u0627\u062f \u0628\u0633\u0631\u0639\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0637\u0628\u0642\u0629<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"314\"><p>\u062e\u0637\u0623 \u0648\u0627\u062d\u062f \u0641\u0642\u0637<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0645\u0634\u0643\u0644\u0629 Tx\/Rx<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"314\"><p>\u062e\u0637\u0623 \u0639\u0644\u0649 \u0643\u0644\u0627 \u0627\u0644\u062c\u0627\u0646\u0628\u064a\u0646<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0645\u0634\u0643\u0644\u0629 \u0643\u0627\u0628\u0644 \u0623\u0648 \u062e\u0631\u0627\u0637\u0629<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062a\u0628\u0639 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0645\u0624\u0634\u0631\u0627\u062a continue increasing \u0647\u0648 \u0636\u0631\u0648\u0631\u064a \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0645\u062a\u0642\u0637\u0639\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u062e\u0637\u0648\u0629 2: \u062a\u0628\u0627\u062f\u0644 \u0627\u0644\u0643\u0627\u0628\u0644<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0647\u064a \u0648\u0627\u062d\u062f\u0629 \u0645\u0646 \u0627\u0644\u0623\u0633\u0647\u0644 \u0648\u0623\u0643\u062b\u0631 \u0634\u064a\u0648\u0639\u064b\u0627 \u0641\u064a \u0646\u0642\u0627\u0637 \u0627\u0644\u0641\u0634\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u062e\u0631\u0627\u0637\u064a\u0645 \u0643\u0631\u0628\u0648\u0646\u064a\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0627\u0633\u062a\u0628\u062f\u0644 \u0627\u0644\u0643\u0627\u0628\u0644 RJ45<\/p><\/li><li><p>\u062a\u0623\u0643\u062f \u0645\u0646 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0643\u0627\u0628\u0644 (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/cat5e-vs-cat6-vs-cat6a-for-copper-sfp\/\">\u0663. \u0643\u0627\u0628\u0644\u0627\u062a \u0641\u0626\u0629 \u0665\u0625\/\u0666\/\u0666\u0623<\/a>)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0631\u0648\u0627\u0628\u0637 \u0627\u0644\u0636\u0648\u0626\u064a\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0627\u0633\u062a\u0628\u062f\u0644 \u0627\u0644\u0645\u0628\u062f\u0644 LC-LC<\/p><\/li><li><p>\u0627\u0641\u062d\u0635 \u0627\u0644\u0645\u0628\u062f\u0644\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u064a\u0629<\/p><\/li><li><p>\u0627\u0646\u0638\u0641 \u0648\u062c\u0647\u0627\u062a \u0627\u0644\u062e\u0631\u0627\u0637\u0629 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0641\u064a \u0627\u0644\u062e\u0631\u0627\u0637\u0629 \u062a\u0634\u0645\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u062a\u0644\u0648\u062b \u0628\u0627\u0644\u063a<\/p><\/li><li><p>\u062e\u0631\u0627\u0637\u0629 \u0645\u0645\u062f\u0648\u062f\u0629<\/p><\/li><li><p>\u062a\u0644\u0641 \u0627\u0644\u0645\u0628\u062f\u0644<\/p><\/li><li><p>\u0641\u0642\u062f\u0627\u0646 \u0625\u062f\u062e\u0627\u0644 \u0643\u0628\u064a\u0631<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0623\u062d\u064a\u0627\u0646\u060c \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0643\u0627\u0628\u0644 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u062c\u0648\u062f\u0629 \u0623\u0648 \u0645\u0643\u0633\u0648\u0631 \u064a\u062d\u0644 \u0645\u062d\u0644 \u062e\u0637\u0623 CRC\/FCS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u062e\u0637\u0648\u0629 3: \u062a\u0628\u0627\u062f\u0644 \u0627\u0644\u0645\u0628\u062f\u0644 \u0627\u0644\u0636\u0648\u0626\u064a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0630\u0627 \u0627\u0633\u062a\u0645\u0631\u062a \u0627\u0644\u0645\u0634\u0627\u0643\u0644\u060c \u0627\u0633\u062a\u0628\u062f\u0644 \u0627\u0644\u0645\u0628\u062f\u0644 \u0627\u0644\u0636\u0648\u0626\u064a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u062a\u0623\u062b\u0631\u0629 \u0642\u062f \u062a\u0634\u0645\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0665. \u0648\u062d\u062f\u0627\u062a SFP<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\">\u0645\u0628\u062f\u0644 SFP+<\/a><\/p><\/li><li><p>\u0664. \u0648\u0627\u062c\u0647\u0629 QSFP\/<a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482749.htm\">QSFP28<\/a><\/p><\/li><li><p>\u0643\u0627\u0628\u0644 DAC\/AOC<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0623\u0639\u0631\u0627\u0636 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0644\u0641\u0634\u0644 \u0627\u0644\u0645\u0628\u062f\u0644 \u0627\u0644\u0636\u0648\u0626\u064a:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 306px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"306\"><p>\u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0629<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0627\u0644\u0633\u0628\u0628 \u0627\u0644\u0645\u062d\u062a\u0645\u0644<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"306\"><p>\u0665\u0662. \u0623\u062e\u0637\u0627\u0621 \u062a\u062d\u0642\u0642 \u062a\u0643\u0631\u0627\u0631\u064a (CRC) \u0645\u062a\u0642\u0637\u0639\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0628\u0627\u062d<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"306\"><p>\u062a\u0630\u0628\u0630\u0628 \u0627\u0644\u0631\u0627\u0628\u0637<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u062a\u0647\u0648\u064a\u0629 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631\u0629<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"306\"><p>\u062a\u0644\u0641 \u0627\u0644\u062d\u0632\u0645<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 DSP<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"306\"><p>\u0645\u0639\u062f\u0644 BER \u0627\u0644\u0639\u0627\u0644\u064a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u062a\u062d\u0648\u0644 \u0627\u0644\u0645\u0628\u062f\u0644 \u0627\u0644\u0636\u0648\u0626\u064a<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0628\u0627\u062f\u0644 \u0628\u0633\u064a\u0637 \u0644\u0644\u0645\u0628\u062f\u0644 \u0627\u0644\u0636\u0648\u0626\u064a \u0647\u0648 \u0627\u0644\u0623\u0641\u0636\u0644 \u0637\u0631\u064a\u0642\u0629 \u0644\u062a\u0623\u0643\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0628\u062f\u0644 \u0636\u0639\u064a\u0641\u064b\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u062e\u0637\u0648\u0629 4: \u0645\u0642\u0627\u0631\u0646\u0629 \u0643\u0644\u0627 \u0627\u0644\u062c\u0627\u0646\u0628\u064a\u0646 \u0645\u0646 \u0627\u0644\u0627\u062a\u0635\u0627\u0644<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062d\u0642\u0642 \u062f\u0627\u0626\u0645\u064b\u0627 \u0645\u0646 \u0645\u0624\u0634\u0631\u0627\u062a \u0627\u0644\u0634\u0628\u0643\u0629 \u0639\u0644\u0649 \u0643\u0644\u0627 \u0627\u0644\u062c\u0627\u0646\u0628\u064a\u0646 \u0645\u0646 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 Ethernet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663\u0662. \u0645\u062b\u0627\u0644:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u062e\u0631\u0627\u0637\u064a\u0645 A \u2194 \u062e\u0631\u0627\u0637\u0629 Fiber \u2194 \u062e\u0631\u0627\u0637\u064a\u0645 B<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647\u0627:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0647\u0644 \u062e\u0637\u0623 increasing \u0639\u0644\u0649 \u0643\u0644\u0627 \u0627\u0644\u062c\u0627\u0646\u0628\u064a\u0646\u061f<\/p><\/li><li><p>\u0647\u0644 \u0641\u0642\u0637 \u062c\u0627\u0646\u0628 \u0648\u0627\u062d\u062f \u064a\u05d3\u05d5\u05d5\u05d7 \u0639\u0644\u0649 \u062e\u0637\u0623 CRC\/FCS\u061f<\/p><\/li><li><p>\u0647\u0644 \u0627\u0644\u062c\u0627\u0646\u0628 \u0627\u0644\u0645\u0631\u0633\u0644 \u0645\u0633\u062a\u0642\u0631\u061f<\/p><\/li><li><p>\u0647\u0644 \u0641\u0642\u062f\u0627\u0646 \u062d\u0632\u0645 \u0645\u062a\u0633\u0627\u0648\u064a\u061f<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0639\u0627\u0645\u0629:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0627\u0644\u062a\u062d\u0642\u064a\u0642<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0665. \u0627\u0644\u0633\u0628\u0628 \u0627\u0644\u0645\u062d\u062a\u0645\u0644<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0643\u0644\u0627 \u0627\u0644\u062c\u0627\u0646\u0628\u064a\u0646 \u064a\u0638\u0647\u0631\u0627\u0646 \u062e\u0637\u0623<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u062e\u0631\u0627\u0637\u0629 \u0623\u0648 \u0627\u0644\u0643\u0627\u0628\u0644<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u062c\u0627\u0646\u0628 \u0648\u0627\u062d\u062f \u0641\u0642\u0637<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0645\u0634\u0643\u0644\u0629 Tx\/Rx<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0641\u0642\u0637 \u062a\u062d\u062a \u062a\u062d\u0645\u064a\u0644 \u0639\u0627\u0644<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0645\u0634\u0643\u0644\u0629 \u062c\u0648\u062f\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0628\u0639\u062f \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0623\u0644\u064a\u0627\u0641<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u0645\u0641\u062a\u0627\u062d\/\u0627\u0644NIC<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661. \u062a\u0633\u0627\u0639\u062f \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0641\u064a \u0639\u0632\u0644 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0646\u0627\u062a\u062c\u0629\u064b \u0639\u0646 \u0627\u0644\u0631\u0627\u0628\u0637 \u0623\u0648 \u0627\u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0636\u0648\u0626\u064a\u0629 \u0623\u0648 \u0623\u062c\u0647\u0632\u0629 \u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0646\u0641\u0633\u0647\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0627\u0644\u062e\u0637\u0648\u0629 5: \u0645\u0631\u0627\u062c\u0639\u0629 \u062a\u062d\u0644\u064a\u0644\u0627\u062a DDM\/DOM<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062f\u0639\u0645 \u0627\u0644\u0645\u0648\u062f\u0648\u0644\u0627\u062a \u0627\u0644\u0636\u0648\u0626\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0627\u0644\u062a\u062a\u0628\u0639\u060c \u0645\u0645\u0627 \u064a\u0648\u0641\u0631 \u062a\u062d\u0644\u064a\u0644\u0627\u062a \u0636\u0648\u0626\u064a\u0629 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0641\u0639\u0644\u064a. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/glossary\/ddm-dom-in-optical-transceivers\/\">\u0663\u0668. DOM\/DDM<\/a> \u0639\u0644\u0627\u0645\u0627\u062a \u062a\u062d\u0630\u064a\u0631\u064a\u0629 \u0634\u0627\u0626\u0639\u0629:.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0642\u0631\u0627\u0621\u0629 DOM\/DDM<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0645\u0645\u0643\u0646\u0629 \u0627\u0644\u0645\u0634\u0643\u0644\u0629<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0642\u0648\u0629 Rx \u0645\u0646\u062e\u0641\u0636\u0629<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0623\u0644\u064a\u0627\u0641 \u0645\u0644\u0648\u062b\u0629 \u0623\u0648 \u062a\u0642\u0644\u064a\u0644<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0639\u0627\u0644\u064a\u0629<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u062a\u0628\u0631\u064a\u062f<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u062a\u064a\u0627\u0631 \u062a\u0628\u0627\u062f\u0644 \u0639\u0627\u0644<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0645\u0635\u0628\u0627\u062d \u064a\u0639\u0627\u0646\u064a \u0645\u0646 \u0627\u0644\u062a\u0642\u062f\u0645<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0642\u0648\u0629 \u062a\u063a\u064a\u0631<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0623\u0644\u064a\u0627\u0641 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0642\u062f \u064a\u0646\u062a\u062c \u0645\u0648\u062f\u0443\u043b\u044c QSFP28 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631 \u0642\u0648\u0629 Rx \u0645\u062a\u0642\u0637\u0639\u0629 \u062d\u062a\u0649 \u0644\u0648 \u0638\u0647\u0631\u062a \u0627\u0644\u0634\u0628\u0643\u0629 \u062a\u0639\u0645\u0644 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a Environments Ethernet \u0639\u0627\u0644\u064a \u0627\u0644\u0633\u0631\u0639\u0629 \u0645\u062b\u0644 100G \u0648400G\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0648\u0646 \u062a\u062d\u0644\u064a\u0644\u0627\u062a DOM\/DDM \u0636\u0631\u0648\u0631\u064a\u0629 \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0636\u0648\u0626\u064a\u0629 \u0627\u0644\u062e\u0641\u064a\u0629 \u0642\u0628\u0644 \u062d\u062f\u0648\u062b \u0643\u0633\u0631 \u0643\u0627\u0645\u0644 \u0644\u0644\u0634\u0628\u0643\u0629. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482487.htm\">\u0644\u0645\u0627\u0630\u0627 \u0644\u0627 \u062a\u0638\u0647\u0631 Wireshark \u0639\u0627\u062f\u0629\u064b FCS\u061f<\/a> \u064a\u0646\u062a\u0638\u0631\u0648\u0646 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u064a\u064a\u0646 \u0623\u0646 \u064a\u0631\u0649 \u0642\u0637\u0639 \u0627\u0644\u0641\u0627\u0635\u0644 (FCS) \u0641\u064a \u062a\u0633\u062c\u064a\u0644\u0627\u062a \u0627\u0644\u0631\u0633\u0627\u0626\u0644\u060c \u0644\u0643\u0646 \u0641\u064a casi\u0627\u062a \u0639\u062f\u064a\u062f\u0629 Wireshark \u0644\u0627 \u064a\u062d\u0635\u0644 \u0639\u0644\u0649 \u0642\u0637\u0639 \u0627\u0644\u0641\u0627\u0635\u0644 \u0645\u0646 \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 (NIC). \u0648\u064a\u0639\u062a\u0645\u062f \u0623\u062c\u0647\u0632\u0629 NIC \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0648\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a\u0629 \u0639\u0644\u0649 \u0625\u0632\u0627\u0644\u0629 \u0642\u0637\u0639 \u0627\u0644\u0641\u0627\u0635\u0644 \u0642\u0628\u0644 \u0625\u0631\u0633\u0627\u0644 \u0627\u0644\u0631\u0633\u0627\u0626\u0644 \u0625\u0644\u0649 \u0628\u0631\u0627\u0645\u062c \u0627\u0644\u062a\u0633\u062c\u064a\u0644. \u0643\u0627\u0630\u0627\u060c \u0642\u062f \u064a\u0628\u062f\u0648 \u0627\u0644\u0631\u0633\u0627\u0626\u0644 \u0633\u0644\u064a\u0645\u0629 \u0641\u064a Wireshark \u062d\u062a\u0649 \u0644\u0648 \u0643\u0627\u0646\u062a \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0623\u062e\u0637\u0627\u0621 CRC\/FCS \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0634\u0628\u0643\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0627 Behavior \u0647\u0648 \u0623\u063a\u0644\u0628\u0647\u0627 \u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0634\u0643\u0648\u0643 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0639\u0646\u062f \u062a\u062d\u0644\u064a\u0644 \u0645\u0634\u0643\u0644\u0627\u062a Ethernet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Capture vs. Frame On-Wire<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0631\u0633\u0627\u0626\u0644 \u0627\u0644\u062a\u064a \u064a\u062a\u0645 \u0639\u0631\u0636\u0647\u0627 \u0641\u064a Wireshark \u0644\u064a\u0633\u062a \u062f\u0627\u0626\u0645\u0627\u064b \u0646\u0641\u0633 \u0627\u0644\u0631\u0633\u0627\u0626\u0644 \u0627\u0644\u062a\u064a \u064a\u062a\u0645 \u0625\u0631\u0633\u0627\u0644\u0647\u0627 \u0639\u0644\u0649 \u0627\u0644\u0634\u0628\u0643\u0629 \u0645\u0628\u0627\u0634\u0631\u0629.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1916b7d68e340fabd50746e1a0bcd16.jpg\" alt=\"Why Does Wireshark Often Not Show FCS?\" class=\"wp-image-7274\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1916b7d68e340fabd50746e1a0bcd16.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1916b7d68e340fabd50746e1a0bcd16-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1916b7d68e340fabd50746e1a0bcd16-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1916b7d68e340fabd50746e1a0bcd16-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1916b7d68e340fabd50746e1a0bcd16-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0625\u0631\u0633\u0627\u0644 Ethernet \u0627\u0644\u062d\u0642\u064a\u0642\u064a:.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u064f\u0642\u0628\u0644 Wireshark \u0639\u0627\u062f\u0629\u064b:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">| Header Ethernet | Payload |.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0623\u0646 \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 \u062a strips \u0642\u0637\u0639 \u0627\u0644\u0641\u0627\u0635\u0644 \u0642\u0628\u0644 \u0625\u0631\u0633\u0627\u0644 \u0627\u0644\u0631\u0633\u0627\u0626\u0644 \u0625\u0644\u0649 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0642\u062f \u0644\u0627 \u062a\u0631\u0649 \u0628\u0631\u0627\u0645\u062c \u0627\u0644\u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u0642\u0637\u0639 \u0627\u0644\u0641\u0627\u0635\u0644 \u0627\u0644\u0623\u0631\u0628\u0639\u0629.<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0666. | \u0631\u0623\u0633 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a | \u0627\u0644\u062d\u0645\u0648\u0644\u0629 | FCS |<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0627 \u0647\u0648 \u0627\u0644\u0633\u0628\u0628:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0642\u062f \u0644\u0627 \u062a\u0638\u0647\u0631 Wireshark \u0642\u0637\u0639 \u0627\u0644\u0641\u0627\u0635\u0644<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0628\u062f\u0648 \u0627\u0644\u0637\u0648\u0644 \u0645\u0646\u062e\u0641\u0636.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0638\u0644 \u0623\u062e\u0637\u0627\u0621 CRC \u0645\u0648\u062c\u0648\u062f\u0629 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Behavior Offload NIC<\/p><\/li><li><p>\u0666. \u064a\u0628\u062f\u0648 \u0623\u0646 \u0637\u0648\u0644 \u0627\u0644\u062d\u0632\u0645\u0629 \u0623\u0642\u0635\u0631<\/p><\/li><li><p>\u0667. \u0644\u0627 \u062a\u0632\u0627\u0644 \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u062f\u0648\u0631\u064a (CRC) \u0645\u0648\u062c\u0648\u062f\u0629 \u0639\u0644\u0649 \u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0645\u0628\u062f\u0651\u0644<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0668. \u0633\u0644\u0648\u0643 \u0625\u0644\u063a\u0627\u0621 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0641\u064a \u0628\u0637\u0627\u0642\u0629 \u0627\u0644\u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0634\u0628\u0643\u064a\u0629 (NIC Offload Behavior)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NIC\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u062a\u0642\u0648\u0645 \u0628\u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a Ethernet \u0645\u0628\u0627\u0634\u0631\u0629 \u0641\u064a \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0644\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0623\u062f\u0627\u0621.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0645\u062e\u0635\u0635\u0629 \u0644\u0644\u0647\u0627\u062a\u0641\u0629 \u062a\u0634\u0645\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0625\u0646\u0634\u0627\u0621 FCS<\/p><\/li><li><p>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 CRC<\/p><\/li><li><p>\u062a\u062d\u0645\u064a\u0644 \u0645\u0641\u062a\u0627\u062d TCP<\/p><\/li><li><p>\u062a\u062d\u0645\u064a\u0644 \u0642\u0637\u0627\u0639\u0627\u062a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0645\u0639\u0638\u0645 \u0627\u0644\u0623\u0646\u0638\u0645\u0629\u060c \u062a\u0642\u0648\u0645 NIC \u0628\u062a\u062f\u0642\u064a\u0642 FCS \u0642\u0628\u0644 \u0623\u0646 \u064a\u0635\u0644 \u0627\u0644\u0645\u0644\u0641\u0629 \u0625\u0644\u0649 Wireshark.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0662. \u062a\u062f\u0641\u0642 \u0627\u0644\u0639\u0645\u0644\u064a\u0629:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0627\u0644\u0645\u0644\u0641\u0629 \u062a\u0635\u0644 \u0625\u0644\u0649 NIC<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0630\u0627 \u0641\u0634\u0644\u062a \u0627\u0644\u0645\u0644\u0641\u0629 \u0641\u064a \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 FCS\u060c \u0641\u0642\u062f \u062a\u064f\u0631\u0641\u0636 NIC \u0627\u0644\u0645\u0644\u0641\u0629 \u0641\u0648\u0631\u064b\u0627 \u0628\u062f\u0644\u064b\u0627 \u0645\u0646 \u0625\u0631\u0633\u0627\u0644\u0647\u0627 \u0625\u0644\u0649 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0634\u063a\u064a\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a\u060c \u0642\u062f \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0644\u0641\u0627\u062a \u0627\u0644\u0645\u062a\u0631\u062b\u0645\u0629 \u0645\u0634\u0648\u0647\u0629 \u0648\u063a\u064a\u0631 \u0645\u0631\u0626\u064a\u0629 \u0641\u064a \u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u0645\u0644\u0641\u0627\u062a \u062d\u062a\u0649 \u0644\u0648 \u0627\u0632\u062f\u0627\u062f \u0639\u062f\u062f \u0627\u0644\u0645\u0644\u0641\u0627\u062a \u0639\u0644\u0649 INTERFACE.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0644\u0645\u0627\u0630\u0627 \u064a\u0628\u062f\u0648 \u0637\u0648\u0644 \u0627\u0644\u0645\u0644\u0641\u0629 \u0623\u0642\u0635\u0631 \u0645\u0646 \u0627\u0644\u0645\u062a\u0648\u0642\u0639<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662. \u064a\u0636\u064a\u0641 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0635\u062d\u0629 \u0627\u0644\u0625\u0637\u0627\u0631 (FCS) \u0627\u0644\u062e\u0627\u0635 \u0628\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0664 \u0628\u0627\u064a\u062a\u0627\u062a \u0625\u0644\u0649 \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0625\u0637\u0627\u0631.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0627\u0644\u0646\u0638\u0631\u064a\u0629:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0637\u0648\u0644 \u0627\u0644\u0645\u0644\u0641\u0629 Ethernet<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0644\u0623\u0646 FCS \u064a\u064f\u0637\u0631\u064e\u0636 \u0639\u0644\u064a\u0647 NIC\u060c \u0642\u062f \u064a\u0638\u0647\u0631 Wireshark \u0639\u0627\u062f\u0629\u064b \u0637\u0648\u0644 \u0627\u0644\u0645\u0644\u0641\u0629 4 \u0623\u5b57\u8282 \u0623\u0642\u0635\u0631 \u0645\u0646 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u062d\u0642\u064a\u0642\u064a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663\u0662. \u0645\u062b\u0627\u0644:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0646\u0648\u0639 \u0627\u0644\u0645\u0644\u0641\u0629<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0637\u0648\u0644 \u0639\u0631\u0636<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0627\u0644\u0645\u0644\u0641\u0629 Ethernet \u0627\u0644\u0641\u0639\u0644\u064a\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1518 \u0623\u5b57\u8282<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0627\u0644\u0645\u0644\u0641\u0629 \u0627\u0644\u062a\u0642\u0627\u0637 \u062f\u0648\u0646 FCS<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1514 \u0623\u5b57\u8282<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663. \u0647\u0630\u0647 \u0627\u0644\u0641\u0631\u0648\u0642 \u0637\u0628\u064a\u0639\u064a\u0629 \u062a\u0645\u0627\u0645\u064b\u0627 \u0641\u064a \u0645\u0639\u0638\u0645 \u0628\u064a\u0626\u0627\u062a \u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u062d\u0632\u0645.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0639\u0636 \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u0642\u0627\u0637 \u0645\u062e\u0635\u0635\u0629 \u0648sist\u0648\u064a\u0627\u062a \u0645\u0631\u0627\u0642\u0628\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u0637\u0631 \u0627\u0644\u062d\u0642\u0644 FCS\u060c \u0644\u0643\u0646 NIC\u0627\u062a \u0627\u0644\u0639\u0642\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u0627 \u0628\u0634\u0643\u0644 \u0639\u0627\u062f\u064a \u0644\u0627 \u062a expose FCS \u0628\u0634\u0643\u0644 \u0627\u0641\u062a\u0631\u0627\u0636\u064a \u0625\u0644\u0649 Wireshark.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0630\u0627\u060c \u064a\u0639\u062a\u0645\u062f \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0639\u0644\u0649 \u062d\u0644\u0648\u0644 FCS \/ FCS \u0639\u0646\u062f troubleshooting \u0645\u0634\u0643\u0644\u0627\u062a\u060c \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u064a\u0639\u062a\u0645\u062f\u0648\u0646 \u0623\u0643\u062b\u0631 \u0639\u0644\u0649:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0639\u062f\u062f\u064a\u0646 INTERFACE \u0645\u0646 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a<\/p><\/li><li><p>STATISTICS \u0645\u0646 NIC<\/p><\/li><li><p>\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0628\u0635\u0631\u064a\u0627\u062a<\/p><\/li><li><p>\u0645\u0631\u0627\u0642\u0628\u0629 DOM\/DDM<\/p><\/li><li><p>\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u0645\u0644\u0641\u0627\u062a \u0641\u0642\u0637.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 \u0647\u0644 \u064a\u0645\u0643\u0646 \u062a\u062d\u0645\u0644 \u0639\u062f\u062f \u0642\u0644\u064a\u0644 \u0645\u0646 \u0623\u062e\u0637\u0627\u0621 FCS \/ FCS\u061f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u060c \u062d\u062a\u0649 \u0639\u062f\u062f \u0642\u0644\u064a\u0644 \u0645\u0646 \u0623\u062e\u0637\u0627\u0621 FCS \/ FCS \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629 \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0643\u0648\u0646 \u0639\u0644\u0627\u0645\u0629 \u0639\u0644\u0649 \u0634\u064a\u0621 \u063a\u064a\u0631 \u0645\u0646\u0637\u0642\u064a\u060c \u062e\u0627\u0635\u0629 \u0639\u0644\u0649 \u062e\u0637\u0648\u0637 \u0633\u0631\u064a\u0639\u0629. \u064a\u0635\u0641 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0645\u0646 Reddit \u0645\u0646\u0627\u0642\u0634\u0627\u062a\u0647\u0645 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629 \u0623\u0646 \u0645\u0639\u062f\u0644 \u201c\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0642\u0628\u0648\u0644\u201d \u0647\u0648 \u062a\u0642\u0631\u064a\u0628\u064b\u0627 \u0635\u0641\u0631 \u0641\u064a Environments \u0645\u0633\u062a\u0642\u0631\u0629\u060c \u0644\u0623\u0646 \u0645\u0639\u062f\u0644\u0627\u062a \u0623\u062e\u0637\u0627\u0621 \u0645\u0646\u062e\u0641\u0636\u0629 \u0642\u062f \u062a\u0624\u062f\u064a \u0625\u0644\u0649 \u0625\u0639\u0627\u062f\u0629-send\u060c \u0648\u062a\u0623\u062e\u064a\u0631\u060c \u0648\u062a\u0623\u062b\u064a\u0631 \u062a\u0637\u0628\u064a\u0642\u064a.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0f53c3e969c04e8c9fa33cf0cb8b5fdc.jpg\" alt=\"Is a Small Number of CRC\/FCS Errors Acceptable?\" class=\"wp-image-7275\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0f53c3e969c04e8c9fa33cf0cb8b5fdc.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0f53c3e969c04e8c9fa33cf0cb8b5fdc-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0f53c3e969c04e8c9fa33cf0cb8b5fdc-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0f53c3e969c04e8c9fa33cf0cb8b5fdc-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0f53c3e969c04e8c9fa33cf0cb8b5fdc-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0669. \u0648\u0628\u0645\u0627 \u0623\u0646 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u062a\u0642\u0648\u0645 \u062a\u0644\u0642\u0627\u0626\u064a\u064b\u0627 \u0628\u0625\u0647\u0645\u0627\u0644 \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u0641\u0629\u060c \u0641\u064a\u062c\u0628 \u062f\u0627\u0626\u0645\u064b\u0627 \u0627\u0644\u062a\u062d\u0642\u064a\u0642 \u0641\u064a \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0648\u0642\u064a\u0639 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (FCS) \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629 \u0628\u062f\u0644\u064b\u0627 \u0645\u0646 \u062a\u062c\u0627\u0647\u0644\u0647\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0661\u0660. \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u0635\u0641\u0631 \u0647\u0648 \u0627\u0644\u0647\u062f\u0641<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0661. \u0641\u064a \u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0645\u0624\u0633\u0633\u0627\u062a \u0648\u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a\u060c \u064a\u062a\u0648\u0642\u0639 \u0645\u0647\u0646\u062f\u0633\u0648 \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>CRC Errors = 0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0662. \u062e\u0635\u0648\u0635\u064b\u0627 \u0639\u0644\u0649:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0661\u0663. \u0627\u0644\u0645\u0628\u062f\u0644\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<\/p><\/li><li><p>\u0661\u0664. \u0634\u0628\u0643\u0627\u062a \u0627\u0644\u062a\u062e\u0632\u064a\u0646<\/p><\/li><li><p>\u0661\u0665. \u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0639\u0645\u0648\u062f-\u0627\u0644\u0648\u0631\u0642\u0629 (Spine-leaf fabrics)<\/p><\/li><li><p>\u0661\u0666. \u0648\u0635\u0644\u0627\u062a \u062a\u062c\u0645\u064a\u0639\u0627\u062a \u0627\u0644\u0630\u0643\u0627\u0621 \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639\u064a<\/p><\/li><li><p>\u0661\u0667. \u0634\u0628\u0643\u0627\u062a \u0627\u0644\u062a\u062f\u0627\u0648\u0644 \u0639\u0627\u0644\u064a \u0627\u0644\u062a\u0631\u062f\u062f<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0668. \u064a\u062c\u0628 \u0623\u0646 \u062a\u0639\u0645\u0644 \u0631\u0648\u0627\u0628\u0637 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0631\u0629 \u062f\u0648\u0646 \u062d\u062f\u0648\u062b \u062a\u0644\u0641 \u0645\u0633\u062a\u0645\u0631 \u0641\u064a \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0669. \u0627\u0644\u0633\u0644\u0648\u0643 \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0644\u0648\u0627\u062c\u0647\u0629 \u0633\u0644\u064a\u0645\u0629:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0662\u0660. \u062d\u0627\u0644\u0629 \u0627\u0644\u0648\u0627\u062c\u0647\u0629<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0662\u0661. \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u062f\u0648\u0631\u064a \/ \u0627\u0644\u062a\u0648\u0642\u064a\u0639 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (CRC\/FCS)<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0662\u0662. \u0631\u0627\u0628\u0637 \u0637\u0628\u064a\u0639\u064a \u0648\u0645\u0633\u062a\u0642\u0631<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0662\u0663. \u062d\u062f\u062b \u0639\u0627\u0628\u0631 \u0645\u062a\u0642\u0637\u0639<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0661\u0664. \u0645\u0646\u062e\u0641\u0636 \u062c\u062f\u064b\u0651\u0627<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0662\u0664. \u0639\u062f\u0627\u062f\u0627\u062a \u062a\u062a\u0632\u0627\u064a\u062f \u0628\u0627\u0633\u062a\u0645\u0631\u0627\u0631<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0662\u0665. \u0648\u062c\u0648\u062f \u0645\u0634\u0643\u0644\u0629<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0666. \u0625\u0630\u0627 \u0627\u0633\u062a\u0645\u0631\u062a \u0627\u0644\u0639\u062f\u0627\u062f\u0627\u062a \u0641\u064a \u0627\u0644\u0632\u064a\u0627\u062f\u0629 \u0645\u0639 \u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a\u060c \u0641\u0625\u0646 \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0629 \u0644\u0627 \u062a\u064f\u0639\u062a\u0628\u0631 \u0639\u0627\u062f\u0629\u064b \u0637\u0628\u064a\u0639\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0662\u0667. \u0639\u0646\u062f\u0645\u0627 \u062a\u062a\u062d\u0648\u0644 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0645\u062a\u0642\u0637\u0639\u0629 \u0625\u0644\u0649 \u0645\u0634\u0643\u0644\u0629<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0668. \u062a\u0634\u0647\u062f \u0628\u0639\u0636 \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0645\u062a\u0642\u0637\u0639\u0629 \u0641\u064a \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u062f\u0648\u0631\u064a \/ \u0627\u0644\u062a\u0648\u0642\u064a\u0639 \u0627\u0644\u0625\u0637\u0627\u0631\u064a (CRC\/FCS) \u0646\u0627\u062a\u062c\u0629 \u0639\u0646:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0663\u0662. \u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a (EMI)<\/p><\/li><li><p>\u0662\u0669. \u0645\u0648\u0635\u0644\u0627\u062a \u0641\u0636\u0641\u0627\u0636\u0629<\/p><\/li><li><p>\u0663\u0660. \u0645\u0643\u0648\u0646\u0627\u062a \u0628\u0635\u0631\u064a\u0629 \u0645\u062a\u0642\u0627\u062f\u0645\u0629<\/p><\/li><li><p>\u0664. \u062a\u0642\u0644\u0628\u0627\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/p><\/li><li><p>\u0625\u0639\u062f\u0627\u062f\u0627\u062a FEC \u0623\u0648 \u0627\u0644\u0633\u0631\u0639\u0629 \u063a\u064a\u0631 \u0627\u0644\u0635\u062d\u064a\u062d\u0629<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0665. \u062d\u062a\u0649 \u0644\u0648 \u0628\u064e\u062f\u064e\u0627 \u0645\u0639\u062f\u0644 \u0627\u0644\u062e\u0637\u0623 \u0645\u0646\u062e\u0641\u0636\u064b\u0627\u060c \u0641\u0625\u0646 \u0627\u0644\u062a\u0644\u0641 \u0627\u0644\u0645\u062a\u0642\u0637\u0639 \u0644\u0627 \u064a\u0632\u0627\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062b\u0631 \u0639\u0644\u0649:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0663\u0661. \u0639\u0645\u0644\u064a\u0627\u062a \u0625\u0639\u0627\u062f\u0629 \u0625\u0631\u0633\u0627\u0644 \u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0646\u0642\u0644 (TCP)<\/p><\/li><li><p>\u0666. \u062d\u0631\u0643\u0629 \u0645\u0631\u0648\u0631 \u0627\u0644\u062a\u062e\u0632\u064a\u0646<\/p><\/li><li><p>\u0667. \u062c\u0648\u062f\u0629 \u0627\u0644\u0635\u0648\u062a\/\u0627\u0644\u0641\u064a\u062f\u064a\u0648<\/p><\/li><li><p>\u0668. \u0645\u0632\u0627\u0645\u0646\u0629 \u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/p><\/li><li><p>\u0669. \u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0630\u0643\u064a\u0629 \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u0641\u0648\u0631\u064a\u0629<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0660. \u0633\u0644\u0648\u0643 \u0646\u0645\u0648\u0630\u062c\u064a:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>Low BER<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0661. \u0641\u064a \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u064a\u0629\u060c \u062a\u0635\u0628\u062d \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0645\u062a\u0642\u0637\u0639\u0629 \u0623\u0643\u062b\u0631 \u0648\u0636\u0648\u062d\u064b\u0627 \u0623\u062b\u0646\u0627\u0621:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0661\u0662. \u0641\u062a\u0631\u0627\u062a \u0630\u0631\u0648\u0629 \u0627\u0644\u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631\u064a\u0629<\/p><\/li><li><p>\u0661\u0663. \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/p><\/li><li><p>\u0661\u0664. \u0646\u0642\u0644 \u0627\u0644\u0645\u0644\u0641\u0627\u062a \u0627\u0644\u0643\u0628\u064a\u0631\u0629<\/p><\/li><li><p>\u0661\u0665. \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631 \u0627\u0644\u0645\u062a\u0642\u0637\u0639\u0629 \u0628\u064a\u0646 \u0627\u0644\u0639\u0642\u062f (\u0627\u0644\u0634\u0631\u0642-\u0627\u0644\u063a\u0631\u0628)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0666. \u0648\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u062a\u064f\u0639\u062a\u0628\u0631 \u0623\u062e\u0637\u0627\u0621 CRC\/FCS \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629 \u063a\u0627\u0644\u0628\u064b\u0627 \u0639\u0644\u0627\u0645\u0629 \u062a\u062d\u0630\u064a\u0631\u064a\u0629 \u0645\u0628\u0643\u0631\u0629 \u062a\u0633\u0628\u0642 \u062d\u062f\u0648\u062b \u0639\u0637\u0644 \u0623\u0643\u0628\u0631 \u0641\u064a \u0627\u0644\u0627\u0631\u062a\u0628\u0627\u0637.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0661\u0667. \u0644\u0645\u0627\u0630\u0627 \u062a\u0643\u0648\u0646 \u0627\u0644\u0631\u0648\u0627\u0628\u0637 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0623\u0642\u0644 \u062a\u0633\u0627\u0645\u062d\u064b\u0627<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0668. \u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0633\u0631\u0639\u0627\u062a \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a\u060c \u062a\u0635\u0628\u062d \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0623\u0643\u062b\u0631 \u062d\u0633\u0627\u0633\u064a\u0629 \u0628\u0643\u062b\u064a\u0631.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0661\u0669. \u0627\u0644\u0631\u0648\u0627\u0628\u0637 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0645\u062b\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0625\u064a\u062b\u0631\u0646\u062a 25G<\/p><\/li><li><p>\u0625\u064a\u062b\u0631\u0646\u062a 100G<\/p><\/li><li><p>Ethernet 400G<\/p><\/li><li><p>\u0662\u0660. \u0625\u064a\u062b\u0631\u0646\u062a \u0668\u0660\u0660 \u062c\u064a\u062c\u0627\u0628\u062a\/\u062b\u0627\u0646\u064a\u0629<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0661. \u062a\u0639\u0645\u0644 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0662\u0662. \u0645\u0639\u062f\u0644\u0627\u062a \u0625\u0634\u0627\u0631\u0627\u062a \u0623\u0639\u0644\u0649<\/p><\/li><li><p>\u0662\u0663. \u0647\u0648\u0627\u0645\u0634 \u0632\u0645\u0646\u064a\u0629 \u0623\u0636\u064a\u0642<\/p><\/li><li><p>\u0662\u0664. \u0642\u0627\u0628\u0644\u064a\u0629 \u0623\u0643\u0628\u0631 \u0644\u0644\u062a\u062f\u0627\u062e\u0644 \u0648\u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 (Jitter)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0665. \u0627\u0644\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0639\u0627\u0645:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 282px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"282\"><p>\u0663. \u0633\u0631\u0639\u0629 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0662\u0666. \u062d\u0633\u0627\u0633\u064a\u0629 \u0627\u0644\u062e\u0637\u0623<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"282\"><p>\u0663\u0661. \u0661 \u062c\u064a\u062c\u0627\u0628\u062a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0663\u0664. \u0623\u0642\u0644<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"282\"><p>\u0663\u0662. \u0661\u0660 \u062c\u064a\u062c\u0627\u0628\u062a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0663\u0663. \u0645\u0639\u062a\u062f\u0644<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"282\"><p>\u0661\u0667. \u0648\u062d\u062f\u0627\u062a \u0662\u0665 \u062c\u064a\u062c\u0627\u0628\u062a\/\u062b\u0627\u0646\u064a\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0663\u0664. \u0623\u0639\u0644\u0649<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"282\"><p>\u0662\u0667. \u0661\u0660\u0660 \u062c\u064a\u062c\u0627\u0628\u062a\/\u062b\u0627\u0646\u064a\u0629<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0662\u0669. \u0645\u0631\u062a\u0641\u0639\u0629 \u062c\u062f\u064b\u0651\u0627<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"282\"><p>\u0662\u0667. \u0664\u0660\u0660 \u062c\u064a\u062c\u0627\u0628\u062a\/\u062b\u0627\u0646\u064a\u0629 \u0641\u0623\u0643\u062b\u0631<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0662\u0668. \u0634\u062f\u064a\u062f\u0629 \u0627\u0644\u062d\u0633\u0627\u0633\u064a\u0629<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0662\u0669. \u0648\u0644\u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u0642\u062f \u0644\u0627 \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0631\u0627\u0628\u0637 \u0661 \u062c\u064a\u062c\u0627\u0628\u062a\/\u062b\u0627\u0646\u064a\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u064f\u0648\u0644\u0650\u0651\u062f \u0628\u0633\u0647\u0648\u0644\u0629 \u0623\u062e\u0637\u0627\u0621 CRC\/FCS \u0639\u0644\u0649 \u0628\u0646\u064a\u0629 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0663\u0660. \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0644\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u062a\u0634\u0645\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0663\u0661. \u0645\u0648\u0635\u0644\u0627\u062a MPO \u0645\u062a\u0633\u062e\u0629<\/p><\/li><li><p>\u0663\u0662. \u0647\u0627\u0645\u0634\u064a\u0629 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/488423.htm\">\u0663\u0663. \u0628\u0635\u0631\u064a\u0627\u062a QSFP28<\/a><\/p><\/li><li><p>\u0663\u0664. \u062c\u0648\u062f\u0629 \u0633\u064a\u0626\u0629 \u0644\u0643\u0627\u0628\u0644\u0627\u062a DAC<\/p><\/li><li><p>\u0663\u0665. \u0645\u0634\u0643\u0644\u0627\u062a \u0641\u064a \u0633\u0644\u0627\u0645\u0629 \u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 (PCB)<\/p><\/li><li><p>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u062d\u0631\u0627\u0631\u0629<\/p><\/li><li><p>\u0639\u062f\u0645 \u062a\u0648\u0627\u0632\u0646\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0636\u0648\u0626\u064a\u0629<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062b\u0629\u060c \u062a\u0643\u0648\u0646 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629 \u0639\u0644\u0649 \u0648\u0627\u062c\u0647\u0627\u062a \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0639\u0627\u062f\u0629 \u0645\u0627 \u062a\u0643\u0648\u0646 \u0639\u0644\u0627\u0645\u0629 \u0639\u0644\u0649 \u062c\u0648\u062f\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0645\u0642\u0644\u0648\u0628\u0629 \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u0641\u0648\u0631\u064a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 \u062e\u0644\u0627\u0635\u0629: \u0645\u0627 \u064a\u0639\u0646\u064a\u0647 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 FCS \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062b\u0628\u0627\u062a \u0627\u0644\u0627\u062a\u0635\u0627\u0644<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sequence Check (FCS) \u0647\u0648 \u0623\u062d\u062f \u0623\u0643\u062b\u0631 \u0645echanisms \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0623\u0645\u0627\u0646 \u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0627\u062a Ethernet. \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 CRC-32 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 2\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0623\u062c\u0647\u0632\u0629 Ethernet \u0627\u0644\u0643\u0634\u0641 \u0628\u0633\u0631\u0639\u0629 \u0639\u0646 \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0631\u0633\u0627\u0626\u0644 \u0642\u0628\u0644 \u0623\u0646 \u062a\u0635\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u063a\u064a\u0631 \u0635\u0627\u0644\u062d\u0629 \u0625\u0644\u0649 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0623\u0648 \u0627\u0644\u062e\u062f\u0645\u0627\u062a \u0627\u0644\u0639\u0644\u064a\u0627. \u0639\u0646\u062f\u0645\u0627 \u064a\u0641\u0634\u0644 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 FCS\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0639\u0627\u062f\u0629 \u0645\u0627 \u062a\u0643\u0648\u0646 \u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0627\u0644\u0645\u0633\u0627\u0631 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0626\u064a\u060c \u0648\u0644\u064a\u0633 \u0628 Protocols TCP \u0623\u0648 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1fe7cb7bfbf243bab5a0e65faafcf36e.jpg\" alt=\"What FCS Errors Mean for Network Reliability\" class=\"wp-image-7276\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1fe7cb7bfbf243bab5a0e65faafcf36e.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1fe7cb7bfbf243bab5a0e65faafcf36e-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1fe7cb7bfbf243bab5a0e65faafcf36e-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1fe7cb7bfbf243bab5a0e65faafcf36e-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1fe7cb7bfbf243bab5a0e65faafcf36e-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a Environments Enterprise \u0648 Data Center \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u060c \u064a\u062c\u0628 \u0623\u0646 \u0644\u0627 \u062a\u064fIGNORE \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629 CRC\/FCS. \u062d\u062a\u0649 \u0639\u062f\u062f \u0623\u062e\u0637\u0627\u0621 \u0635\u063a\u064a\u0631 \u064a\u0632\u062f\u0627\u062f \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a \u0642\u062f \u064a\u0639\u0646\u064a \u0645\u0634\u0643\u0644\u0627\u062a \u0623\u0639\u0645\u0642 \u0645\u062b\u0644 \u0643\u0627\u0628\u0644\u0627\u062a Ethernet \u0627\u0644\u0645\u0643\u0633\u0648\u0631\u0629\u060c \u0645\u0643\u0627\u0646\u064a\u0627\u062a \u0643\u0627\u0628\u0644\u0627\u062a Fiber \u0645\u0644\u0648\u062b\u0629\u060c \u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u062c\u0648\u062f\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629\u060c NIC\u0627\u062a \u062e\u0627\u0645\u062f\u0629\u060c \u0623\u0648 \u0645\u0648\u062fulers SFP\u060c SFP+\u060c QSFP\u060c \u0648 QSFP28 \u0627\u0644\u0636\u0627\u0626\u064a \u0627\u0644\u0645\u062a\u0647\u0627\u0644\u0626.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0639 \u062a\u0637\u0648\u0631 \u0627\u0644\u0634\u0628\u0643\u0627\u062a Ethernet \u0646\u062d\u0648 100G\u060c 400G\u060c \u0648 Infrastruture \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0623\u062f\u0627\u0621 \u0645\u062f\u0639\u0648\u0645\u0629 \u0628 AI\u060c \u0623\u0635\u0628\u062d\u062a \u0636\u0645\u0627\u0646 \u0645\u0639\u062f\u0644 \u0623\u062e\u0637\u0627\u0621 bits (BER) \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0648\u0646\u0642\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a \u0623\u0635\u0628\u062d \u0623\u0645\u0631\u064b\u0627\u65e5\u76ca \u0636\u0631\u0648\u0631\u064a\u064b\u0627. \u062a\u0624\u062f\u064a \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0625\u0644\u0649 \u062d\u062f\u0648\u062f \u0635\u0627\u0631\u0645\u0629 \u0644\u0644\u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0626\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u0623\u064a \u0639\u064a\u0648\u0628 \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0648\u064a \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0626\u064a \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0628\u0633\u0631\u0639\u0629 \u0625\u0644\u0649 \u062a\u0644\u0641 \u0627\u0644\u0631\u0633\u0627\u0626\u0644\u060c \u0625\u0639\u0627\u062f\u0629-send\u0647\u0627\u060c \u0632\u064a\u0627\u062f\u0629 \u0641\u064a \u0632\u0645\u0646 \u0627\u0644\u0631\u0633\u0627\u0626\u0644\u060c \u0648 Instability \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0648\u062d\u064a\u062f\u0629 \u0647\u064a \u0628\u0633\u064a\u0637\u0629:<\/p>\n\n\n\n<pre class=\"wp-block-code\">\n<code>\u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629 CRC\/FCS \u062a\u0634\u064a\u0631 \u0639\u0627\u062f\u0629 \u0625\u0644\u0649 \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0627\u0644\u062a\u062d\u0642\u064a\u0642 \u0641\u064a \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0626\u064a.<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a casi\u0627\u062a Bulk\u060c \u064a\u0643\u0648\u0646 Workflow \u0627\u0644\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0623\u0633\u0631\u0639 \u0647\u0648:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p>\u0645\u0631\u0627\u062c\u0639\u0629 \u0639\u062f\u062f\u064a\u0646 Interface Counters<\/p><\/li><li><p>\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0643\u0627\u0628\u0644 \u0623\u0648 \u062c\u0647\u0627\u0632 \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u0636\u0648\u0626\u064a<\/p><\/li><li><p>\u0627\u0634\u0637\u0641 \u0648\u0627\u0633\u062d\u0628 \u0627\u0644\u0645\u0643\u0627\u0646\u064a\u0627\u062a<\/p><\/li><li><p>\u062a\u0628\u0627\u062f\u0644 \u0627\u0644\u0640 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">\u0667. \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u0633\u0627\u062e\u0646<\/a><\/p><\/li><li><p>\u0645\u0631\u0627\u062c\u0639\u0629 Diagnostics DOM\/DDM<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644 engineers \u0648 \u0645 operators \u0648 IT administrators \u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0644\u0634\u0628\u0643\u0627\u062a\u060c \u064a\u0638\u0644 \u0627\u0644\u0639\u062f\u062f\u064a\u0646 FCS \u0643 indicators \u0623\u0642\u062f\u0645 \u0648\u0623\u0643\u062b\u0631 \u0642\u064a\u0645\u0629 \u0644\u0635\u062d\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 Ethernet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0627\u0644\u0645\u0648\u0627\u0631\u062f \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/\">\u0666\u0665. \u0645\u062a\u062c\u0631 LINK-PP \u0627\u0644\u0631\u0633\u0645\u064a<\/a> \u0661\u0660. \u0648\u062d\u062f\u0627\u062a SFP<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/how-to-test-sfp-compatibility\/\">\u062f\u0644\u064a\u0644 \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0636\u0648\u0626\u064a<\/a><\/p><\/li><li><p>\u0623\u0633\u0627\u0644\u064a\u0628 \u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0648\u0627\u0644\u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0636\u0648\u0626\u064a<\/p><\/li><li><p>\u0642\u0627\u0626\u0645\u0629 \u062a\u062d\u0644\u064a\u0644\u0627\u062a CRC\/FCS \u0644\u0625\u0646\u062a\u0631\u0646\u062a<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0639\u0646 \u0627\u0644\u0645\u0624\u0644\u0641<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0643\u062a\u0628\u0647\u0627 \u062e\u0628\u064a\u0631 \u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0644\u0644\u0625\u0646\u062a\u0631\u0646\u062a \u0628\u062e\u0628\u0631\u0629 \u0639\u0645\u0644\u064a\u0629 \u0641\u064a \u062a\u062d\u0644\u064a\u0644 \u0625\u0646\u062a\u0631\u0646\u062a\u060c \u0648\u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0628\u0635\u0631\u064a\u0629\u060c \u0648\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0641\u0648\u0644\u064a\u0631.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0645\u0627 \u0645\u0639\u0646\u0649 \u062a\u0633\u0644\u0633\u0644 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0625\u0637\u0627\u0631 (FCS)\u060c \u0648\u0643\u064a\u0641 \u064a\u0643\u062a\u0634\u0641 CRC-32 \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a\u064a\u0629 \u0627\u0644\u062a\u0627\u0644\u0641\u0629\u060c \u0648\u0644\u0645\u0627\u0630\u0627 \u062a\u0631\u062a\u0628\u0637 \u0623\u062e\u0637\u0627\u0621 FCS \u0639\u0627\u062f\u0629\u064b \u0628\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0623\u0648 \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0623\u0648 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0625\u0631\u0633\u0627\u0644 \u0648\u0627\u0644\u0627\u0633\u062a\u0642\u0628\u0627\u0644 \u0627\u0644\u0636\u0648\u0626\u064a\u0629.<\/p>","protected":false},"author":1,"featured_media":7277,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-7278","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/posts\/7278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/comments?post=7278"}],"version-history":[{"count":6,"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/posts\/7278\/revisions"}],"predecessor-version":[{"id":10688,"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/posts\/7278\/revisions\/10688"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/media\/7277"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/media?parent=7278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/categories?post=7278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ar\/wp-json\/wp\/v2\/tags?post=7278"}],"curies":[{"name":"\u0661. \u0648\u064e\u0628","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}