{"id":4241,"date":"2025-10-23T11:12:00","date_gmt":"2025-10-23T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/uplink-failure-detection-prevent-network-downtime-continuity\/"},"modified":"2026-06-22T06:01:09","modified_gmt":"2026-06-22T06:01:09","slug":"uplink-failure-detection-prevent-network-downtime-continuity","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/uplink-failure-detection-prevent-network-downtime-continuity","title":{"rendered":"\uc5c5\ub9c1\ud06c \uc7a5\uc560 \ud0d0\uc9c0(UFD): \uadc0\ud558\uc758 \ub124\ud2b8\uc6cc\ud06c \uac00\ub3d9 \uc2dc\uac04\uc744 \uc9c0\ud0a4\ub294 \uce68\ubb35\uc758 \uc218\ud638\uc790"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb3b19480ad4d2985f2f4d76cfde6ef.webp\" alt=\"Uplink Failure Detection (UFD)\" class=\"wp-image-4239\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb3b19480ad4d2985f2f4d76cfde6ef.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb3b19480ad4d2985f2f4d76cfde6ef-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb3b19480ad4d2985f2f4d76cfde6ef-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb3b19480ad4d2985f2f4d76cfde6ef-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb3b19480ad4d2985f2f4d76cfde6ef-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\ub298\ub0a0 \ucd08\uc5f0\uacb0 \ub514\uc9c0\ud138 \ud658\uacbd\uc5d0\uc11c \ub124\ud2b8\uc6cc\ud06c \ub2e4\uc6b4\ud0c0\uc784\uc740 \ub2e8\uc21c\ud55c \ubd88\ud3b8\ud568\uc774 \uc544\ub2c8\ub77c \uc0dd\uc0b0\uc131, \uc218\uc775, \ud3c9\ud310\uc5d0 \uc9c1\uc811\uc801\uc778 \ud0c0\uaca9\uc744 \uc8fc\ub294 \ubb38\uc81c\uc785\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 IT \ud300\uc774 \ubc29\ud654\ubcbd, \uc2a4\uc704\uce58, \uc11c\ubc84\uc5d0 \uc9d1\uc911\ud558\ub294 \ub3d9\uc548, \ud37c\uc990\uc758 \ud575\uc2ec \uc870\uac01 \uc911 \ud558\ub098\uac00 \uc790\uc8fc \uadf8\ub9bc\uc790 \uc18d\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4: <strong>\uc5c5\ub9c1\ud06c<\/strong>. \uc774 \ud544\uc218\uc801\uc778 \u2018\ub3d9\ub9e5\u2019\uc774 \uce68\ubb35 \uc18d\uc5d0\uc11c \uace0\uc7a5\ub098\uba74 \uc5b4\ub5bb\uac8c \ub420\uae4c\uc694? \ud63c\ub780\uc785\ub2c8\ub2e4. \ubc14\ub85c \uc5ec\uae30\uc11c <strong><strong>\uc5c5\ub9c1\ud06c \uc7a5\uc560 \uac10\uc9c0(UFD)<\/strong><\/strong> \uac00 \ubb35\uc2dc\uc801 \uc601\uc6c5\uc73c\ub85c \ub4f1\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc2ec\uce35 \ubd84\uc11d\uc5d0\uc11c\ub294 \ub2e4\uc74c \uc0ac\ud56d\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <strong><strong>UFD\uac00 \ubb34\uc5c7\uc778\uc9c0<\/strong>,<\/strong>, \uc65c \uc774\uac83\uc774 \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c \ubcf5\uc6d0\ub825\uc5d0 \uc788\uc5b4 \uc808\ub300\uc801\uc73c\ub85c \ud544\uc218\uc801\uc778\uc9c0, \uadf8\ub9ac\uace0 <strong>\uace0\ud488\uc9c8 \ud558\ub4dc\uc6e8\uc5b4<\/strong>\uc640\uc758 \uc2dc\ub108\uc9c0\uac00 \uc5b4\ub5bb\uac8c \uc2e0\ub8b0\uc131\uc744 \ub04a\uc744 \uc218 \uc5c6\ub294 \uc0ac\uc2ac\ub85c \ub9cc\ub4e4\uc5b4\uc8fc\ub294\uc9c0\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>LINK-PP \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong><\/a> <strong>\uc2e0\ub8b0\uc131\uc758 \ubd88\uac00\ubd84\ud55c \uc0ac\uc2ac<\/strong>\uc744 \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc <strong>\uc5c5\ub9c1\ud06c \uc7a5\uc560 \uac10\uc9c0(UFD)\ub780 \ubb34\uc5c7\uc778\uac00?<\/strong> \uae30\ubcf8\uc801\uc778 \ud551(Ping)\uc744 \ub118\uc5b4\uc11c<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec\uc801\uc73c\ub85c, <strong><strong>\uc5c5\ub9c1\ud06c \uc7a5\uc560 \uac10\uc9c0(UFD)<\/strong><\/strong> \ub294 \ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58 \ubc0f \ub77c\uc6b0\ud130\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub2a5\ub3d9\uc801 \ubaa8\ub2c8\ud130\ub9c1 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uadf8 \uc720\uc77c\ud55c \ubaa9\uc801\uc740 \uad6c\uc131\ub41c \uc5c5\ub9c1\ud06c \ud3ec\ud2b8\u2014\ud575\uc2ec \ub124\ud2b8\uc6cc\ud06c \ub610\ub294 \uc778\ud130\ub137\uc73c\ub85c \uc5f0\uacb0\ub418\ub294 \ub9c1\ud06c\u2014\uc758 \uac74\uac15 \uc0c1\ud0dc \ubc0f \uc720\ud6a8\uc131\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \uac80\uc99d\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub97c \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uc5f0\uacb0\uc5d0 \ub300\ud55c \uc9c0\uc18d\uc801\uc778 \uc2ec\uc7a5 \ubc15\ub3d9 \ubaa8\ub2c8\ud130\ub77c\uace0 \uc0dd\uac01\ud558\uc2ed\uc2dc\uc624. \uac04\ub2e8\ud55c ICMP \ud551\uc740 \uc7a5\uce58\uac00 \ucf1c\uc838 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub9cc \uc54c\ub824\uc8fc\uc9c0\ub9cc, UFD\ub294 \ub9c1\ud06c \uc0c1\ud0dc \ubc0f \uc11c\ube44\uc2a4 \uac00\uc6a9\uc131\uc5d0 \ub300\ud574 \ubcf4\ub2e4 \ud48d\ubd80\ud558\uace0 \uc815\uad50\ud55c \uc774\ud574\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc <strong>\uc65c \ub2f9\uc2e0\uc758 \ub124\ud2b8\uc6cc\ud06c\uac00 UFD\ub97c \uc808\uc2e4\ud788 \ud544\uc694\ub85c \ud558\ub294\uac00?<\/strong> \uce68\ubb35\uc758 \ub192\uc740 \ub300\uac00<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">UFD\uac00 \uc5c6\uc73c\uba74 \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\ub294 \uc0c1\uc704 \uacbd\ub85c \uace0\uc7a5 \uc0ac\uc2e4\uc744 \uc804\ud600 \uc778\uc9c0\ud558\uc9c0 \ubabb\ud55c \ucc44 \uacc4\uc18d \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub85c\uceec \ub9c1\ud06c\ub294 \u201c\uc5c5(Up)\u201d \uc0c1\ud0dc(\ub808\uc774\uc5b4 1)\uc77c \uc218 \uc788\uc9c0\ub9cc, \uc2e4\uc81c \uacbd\ub85c\ub294 \ucc28\ub2e8\ub41c \uc0c1\ud0dc(\ub808\uc774\uc5b4 3)\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130 \ud328\ud0b7\uc774 \uc804\uc1a1\ub418\uc9c0\ub9cc \ub3c4\ucc29\uc9c0\uc5d0 \uacb0\ucf54 \ub3c4\ub2ec\ud558\uc9c0 \ubabb\ud558\ub294 \u201c\ube14\ub799\ud640\u201d \uc0c1\ud669\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8 \uacb0\uacfc\ub294 \uc2ec\uac01\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong><strong>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud0c0\uc784\uc544\uc6c3:<\/strong><\/strong> CRM \ubc0f ERP \uc2dc\uc2a4\ud15c\uacfc \uac19\uc740 \ud575\uc2ec SaaS \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc751\ub2f5\uc744 \uba48\ucda5\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong><strong>Voice over IP(VoIP) \ud1b5\ud654 \ub04a\uae40:<\/strong><\/strong> \ud1b5\uc2e0\uc774 \uc644\uc804\ud788 \uc911\ub2e8\ub429\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong><strong>\ubb34\uc74c \ub370\uc774\ud130 \uc190\uc2e4:<\/strong><\/strong> \uac70\ub798 \ubc0f \ub370\uc774\ud130 \uc804\uc1a1\uc774 \uba85\ud655\ud55c \uc624\ub958 \uba54\uc2dc\uc9c0 \uc5c6\uc774 \uc2e4\ud328\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong><strong>\ubb34\ud6a8\ud654\ub41c \uc911\ubcf5 \uad6c\uc870:<\/strong><\/strong> \uace0\uac00\uc758 \ubc31\uc5c5 ISP \ub9c1\ud06c\uac00 \ud65c\uc131\ud654\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uc8fc \ub9c1\ud06c\uac00 <em><strong>\uc815\uc0c1 \uc791\ub3d9 \uc911\uc778 \uac83\ucc98\ub7fc \ubcf4\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/strong><\/em> \ubcf4\uc785\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uac15\ub825\ud55c <strong><strong>UFD \uc804\ub7b5<\/strong>\uc744 \uad6c\ud604\ud558\ub294 \uac83\uc740<\/strong> <strong>\uace0\uac00\uc6a9\uc131 \ub124\ud2b8\uc6cc\ud06c \uc124\uacc4<\/strong>\uc758 \ud575\uc2ec \uae30\ub465\uc785\ub2c8\ub2e4. <strong>\uace0\uac00\uc6a9\uc131 \ub124\ud2b8\uc6cc\ud06c \uc124\uacc4<\/strong>, \uc7a5\uc560 \uc870\uce58 \uba54\ucee4\ub2c8\uc998\uc774 \uc758\ub3c4\ud55c \ub300\ub85c \uc791\ub3d9\ud568\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc UFD\uc758 \uc791\ub3d9 \uc6d0\ub9ac: \uc0ac\uc804\uc801 \ubaa8\ub2c8\ud130\ub9c1\uc758 \uba54\ucee4\ub2c8\uc998<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>UFD<\/strong> \ud558\ub958 \uc7a5\uce58(\uc608: \uc561\uc138\uc2a4 \uc2a4\uc704\uce58)\uc5d0\uc11c \uc0ac\uc804 \uc815\uc758\ub41c \uc0c1\ub958 \ub300\uc0c1 IP \uc8fc\uc18c(\uc608: \ucf54\uc5b4 \ub77c\uc6b0\ud130 \ub610\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc778\ud130\ub137 IP \uc8fc\uc18c \ub4f1)\ub85c \uc8fc\uae30\uc801\uc73c\ub85c \ud504\ub85c\ube0c \ud328\ud0b7\uc744 \uc804\uc1a1\ud568\uc73c\ub85c\uc368 \uc791\ub3d9\ud569\ub2c8\ub2e4. <mark data-color=\"var(--qc-color21)\" style=\"background-color: var(--qc-color21); color: inherit;\">8.8.8.8<\/mark>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uba54\ucee4\ub2c8\uc998\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>\uad6c\uc131:<\/strong> \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc5d0 UFD \uc815\ucc45\uc744 \uc815\uc758\ud558\uc5ec \ub300\uc0c1 IP \uc8fc\uc18c\uc640 \uc7a5\uc560 \uc784\uacc4\uac12\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ud504\ub85c\ube59:<\/strong> \uc2a4\uc704\uce58\ub294 \uc815\uae30\uc801\uc778 \uac04\uaca9\uc73c\ub85c \ud504\ub85c\ube0c \ud328\ud0b7(\uc608: ICMP \ud551)\uc744 \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc784\uacc4\uac12 \ubaa8\ub2c8\ud130\ub9c1:<\/strong> \uc751\ub2f5\uc744 \uc218\uc2e0 \ub300\uae30\ud569\ub2c8\ub2e4. \uc5f0\uc18d\uc801\uc73c\ub85c \uc751\ub2f5\uc774 \uc5c6\uc5c8\ub358 \ud69f\uc218\uac00 \uad6c\uc131\ub41c \uc784\uacc4\uac12\uc5d0 \ub3c4\ub2ec\ud558\uba74 UFD\uac00 \ub3d9\uc791\uc744 \ud2b8\ub9ac\uac70\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ub3d9\uc791:<\/strong> \uc2a4\uc704\uce58\ub294 \ud574\ub2f9 \ud3ec\ud2b8\ub97c \ub17c\ub9ac\uc801\uc73c\ub85c \ucc28\ub2e8\ud558\uc5ec \ud2b8\ub798\ud53d\uc774 \uc0ac\uc804 \uad6c\uc131\ub41c \uc911\ubcf5 \uc0c1\ud589 \ub9c1\ud06c\ub85c \uc7ac\ub77c\uc6b0\ud305\ub418\ub3c4\ub85d \uac15\uc81c\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e6213baf7bff4d78b27675998f216e74.webp\" alt=\"Uplink Failure Detection (UFD)\" class=\"wp-image-4240\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e6213baf7bff4d78b27675998f216e74.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e6213baf7bff4d78b27675998f216e74-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e6213baf7bff4d78b27675998f216e74-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e6213baf7bff4d78b27675998f216e74-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e6213baf7bff4d78b27675998f216e74-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \ud45c\ub294 \uc8fc\uc694 UFD \uc6b4\uc601 \ubaa8\ub4dc\ub97c \ube44\uad50\ud569\ub2c8\ub2e4:<\/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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>UFD \ubaa8\ub4dc<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc791\ub3d9 \ubc29\uc2dd<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ucd5c\uc801 \uc801\uc6a9 \ubd84\uc57c<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ud504\ub85c\ube0c \uae30\ubc18<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub300\uc0c1 IP \uc8fc\uc18c\uc5d0 \ub300\ud55c \uc5f0\uacb0\uc131 \uac80\uc99d\uc744 \uc704\ud574 ICMP \ub610\ub294 ARP \ud328\ud0b7\uc744 \ub2a5\ub3d9\uc801\uc73c\ub85c \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc5d4\ub4dc\ud22c\uc5d4\ub4dc IP \uc5f0\uacb0\uc131 \uac80\uc99d\uc774 \uc911\uc694\ud55c \ud658\uacbd.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ub9c1\ud06c \uc0c1\ud0dc \uc804\uc6a9<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud3ec\ud2b8\uc758 \ubb3c\ub9ac \uacc4\uce35(Layer 1) \uc0c1\ud0dc(\uc608: \u201c\ub9c1\ud06c \ub2e4\uc6b4\u201d)\uc5d0\ub9cc \uc758\uc874\ud569\ub2c8\ub2e4.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubb3c\ub9ac\uc801 \ucf00\uc774\ube14 \ubd84\ub9ac\uac00 \uc8fc\uc694 \uc6b0\ub824 \uc0ac\ud56d\uc778 \ub2e8\uc21c\ud55c \uc2dc\ub098\ub9ac\uc624.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c4\uc815\ud55c \ubcf5\uc6d0\ub825\uc744 \ucd94\uad6c\ud558\ub294 \ub300\ubd80\ubd84\uc758 \uae30\uc5c5\uc758 \uacbd\uc6b0, \uad11\ubc94\uc704\ud55c \uc7a5\uc560 \uc720\ud615\uc744 \ud0d0\uc9c0\ud560 \uc218 \uc788\ub294 \ud504\ub85c\ube0c \uae30\ubc18 UFD\uac00 \uad8c\uc7a5\ub418\ub294 \uc811\uadfc \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc \ubb35\uc2dc\uc801 \uc601\uc6c5: \uad11\ud559 \ubaa8\ub4c8\uc774 UFD \ud6a8\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \uc0ac\ub78c\ub4e4\uc774 \uac04\uacfc\ud558\ub294 \uc694\uc18c\uac00 \uc788\uc2b5\ub2c8\ub2e4: \ubc14\ub85c \uadc0\ud558\uc758 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\uad11\ud559 \ud2b8\ub79c\uc2a4\ub9ac\ubc84 \ubaa8\ub4c8<\/strong><\/a>. \ud488\uc9c8 \ubc0f \uc131\ub2a5\uc785\ub2c8\ub2e4. UFD\ub294 \ub17c\ub9ac\uc801 \ud504\ub85c\ud1a0\ucf5c\uc774\uc9c0\ub9cc, \ud504\ub85c\ube0c \ud328\ud0b7 \uc804\uc1a1\uc744 \uc704\ud574 \ubb3c\ub9ac \uacc4\uce35\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \uacb0\ud568\uc774 \uc788\uac70\ub098 \uc800\ud488\uc9c8\uc758 \uad11\ud559 \ubd80\ud488\uc740 \uc2ec\uac01\ud55c \ubb38\uc81c \uc0c1\ud669\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ud55c\uacc4 \uc131\ub2a5:<\/strong> \ub0ae\uc740 \ud488\uc9c8\uc758 \uad11\ud559 \ubd80\ud488\uc740 \ubd88\uc548\uc815\ud55c \ucd9c\ub825 \uc804\ub825 \uc218\uc900\uc774\ub098 \ub192\uc740 \uc624\ub958\uc728\uc744 \ubcf4\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \u201c\ub9c1\ud06c \uc5c5\u201d \uc0c1\ud0dc\ub294 \uc720\uc9c0\ub418\uc9c0\ub9cc, UFD \ud504\ub85c\ube0c\ub97c \ud3ec\ud568\ud574 \uc0c1\ub2f9 \ube44\uc728\uc758 \ud328\ud0b7\uc744 \ub4dc\ub86d\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub85c \uc778\ud574 \ud50c\ub798\ud551(\ud3ec\ud2b8 \uc0c1\ud0dc\uac00 \ub04a\uc784\uc5c6\uc774 \uc628\/\uc624\ud504 \ubc18\ubcf5) \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc644\uc804\ud55c \uace0\uc7a5:<\/strong> \uad11\ud559 \uc7a5\uce58\uc758 \uac11\uc791\uc2a4\ub7fd\uace0 \uc644\uc804\ud55c \uace0\uc7a5\uc740 \ub9c1\ud06c \ub2e4\uc6b4(link-down) \uc774\ubca4\ud2b8\ub97c \uc720\ubc1c\ud558\uba70, \uae30\ubcf8\uc801\uc778 UFD\ub3c4 \uc774\ub97c \uac10\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc810\uc9c4\uc801\uc778 \uc131\ub2a5 \uc800\ud558\ub294 \ub354 \ubcf5\uc7a1\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c\ub294 <strong>Cisco<\/strong>\uc640 \uac19\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacf5\uae09\uc5c5\uccb4\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud30c\ud2b8\ub108\uac00 \uacb0\uc815\uc801\uc778 \ucc28\uc774\ub97c \ub9cc\ub4ed\ub2c8\ub2e4. <strong>\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubcf8 \uc139\uc158\uc5d0\uc11c\ub294 \uace0\ub824\ud574\uc57c \ud560 \uc8fc\uc694 \uc694\uc18c\ub97c \uac15\uc870\ud569\ub2c8\ub2e4.<\/strong> <strong>Cisco<\/strong> \uad11\ud559 \ubaa8\ub4c8\uc740 \uc548\uc815\uc131\uacfc \uc131\ub2a5\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5b4 \uc815\ud655\ud55c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ddm-dom-in-optical-transceivers\/\"><strong>\uc218\uc2e0 \uc804\ub825 (Rx Power):<\/strong><\/a> \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud568\uc73c\ub85c\uc368 \ubb3c\ub9ac\uc801 \ub9c1\ud06c\uc758 \uc0c1\ud0dc\uc5d0 \ub300\ud55c \uc2ec\uce35\uc801\uc778 \uc778\uc0ac\uc774\ud2b8\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <em>\uc2e0\ud638\uac00 \uc804\uc1a1\ub418\uae30<\/em> \uadf8\ub7ec\uba74 UFD \uc774\ubca4\ud2b8\uac00 \ud2b8\ub9ac\uac70\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4, <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\"><strong>QSFP28 100G LR4<\/strong><\/a> \ub610\ub294 <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472000.htm\"><strong>QSFP-DD 400G FR4<\/strong><\/a> \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \ubc30\ud3ec\ud558\uba74 \uace0\uc18d \uc5c5\ub9c1\ud06c\uac00 UFD\uc758 \ud504\ub85c\ube0c \ud328\ud0b7\uc774 \ub9c1\ud06c\ub97c \uc2e0\ub8b0\uc131 \uc788\uac8c \ud1b5\uacfc\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \uc2e0\ud638 \ubb34\uacb0\uc131 \ubc0f \uc5f4\uc801 \ub0b4\uad6c\uc131\uc744 \ud655\ubcf4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadc0\ud558\uc758 <strong>LINK-PP<\/strong> \uad11\ud559 \uc7a5\uce58(DOM)\u2014\uc608: \uc628\ub3c4, TX \uc804\ub825, RX \uc804\ub825\u2014\uc5d0\uc11c DDM \ub370\uc774\ud130\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud568\uc73c\ub85c\uc368 \uc608\uce21 \uc815\ube44\ub97c \uc218\ud589\ud558\uace0, \ubaa8\ub4c8\uc744 \uad50\uccb4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <em>\uc2e0\ud638\uac00 \uc804\uc1a1\ub418\uae30<\/em> \uc774\ub294 UFD \uc624\uc9c4(\uc624\ub958 \uae0d\uc815 \ud310\uc815)\uc744 \uc720\ubc1c\ud558\uac70\ub098, \ub354 \ub098\uc544\uac00 \uc2e4\uc81c \uc7a5\uc560\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc UFD \uad6c\ud604: \ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uce68\ubb35\ud558\ub294 \uc5c5\ub9c1\ud06c \uc7a5\uc560\ub97c \uc5c6\uc560\uace0 \uc2f6\uc73c\uc2e0\uac00\uc694? CLI \uba85\ub839\uc5b4\ub294 \uacf5\uae09\uc5c5\uccb4(Cisco, Arista, Juniper \ub4f1)\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\uc9c0\ub9cc, \ub17c\ub9ac\uc801 \uc808\ucc28\ub294 \ubcf4\ud3b8\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>\ud575\uc2ec \uc5c5\ub9c1\ud06c \uc2dd\ubcc4:<\/strong> \uace0\uc7a5 \uc2dc \ud574\ub2f9 \uc7a5\uce58\ub97c \uaca9\ub9ac\uc2dc\ud0ac \ud3ec\ud2b8\ub97c \ud2b9\uc815\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc911\ubcf5\uc131 \uc815\uc758:<\/strong> \ubc31\uc5c5 \uc5c5\ub9c1\ud06c \uacbd\ub85c\ub97c \ud655\ubcf4\ud558\uc138\uc694. \uc7a5\uc560 \uc870\uce58 \ub300\uc0c1(destination)\uc774 \uc5c6\uc73c\uba74 UFD\ub294 \uc4f8\ubaa8\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px 0px 8px;\"><strong>UFD \uc815\ucc45 \uad6c\uc131:<\/strong><\/p><ul><li><p style=\"margin: 0px;\">\ub300\uc0c1 IP \uc8fc\uc18c\ub97c \uc124\uc815\ud569\ub2c8\ub2e4(\uc5c5\uc2a4\ud2b8\ub9bc \uacbd\ub85c \ub0b4\uc5d0\uc11c \uace0\uac00\uc6a9\uc131\uc744 \uac16\ucd98 \ud56d\ubaa9).<\/p><\/li><li><p style=\"margin: 0px;\">\ud504\ub85c\ube0c \uac04\uaca9 \ubc0f \uc7a5\uc560 \uc784\uacc4\uac12\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\">\ub3d9\uc791\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4(\uc608: \u201c\ud3ec\ud2b8 \uc885\ub8cc\u201d).<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px;\"><strong>\uc815\ucc45 \uc801\uc6a9:<\/strong> UFD \uc815\ucc45\uc744 \uc801\uc808\ud55c \ubb3c\ub9ac\uc801 \uc5c5\ub9c1\ud06c \ud3ec\ud2b8\uc5d0 \ud560\ub2f9\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ucca0\uc800\ud788 \ud14c\uc2a4\ud2b8:<\/strong> \uc791\ub3d9\ud55c\ub2e4\uace0 \uac00\uc815\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ub300\uc0c1 IP \uc8fc\uc18c\ub85c\uc758 \ud551\uc744 \uc218\ub3d9\uc73c\ub85c \ucc28\ub2e8\ud558\uc5ec \uc7a5\uc560\ub97c \uc2dc\ubbac\ub808\uc774\uc158\ud558\uace0, \ub9e4\ub044\ub7ec\uc6b4 \uc7a5\uc560 \ubcf5\uad6c(failover)\uac00 \uc2e4\uc81c\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&gt; \ud83d\ude80 \ud754\ub4e4\ub9ac\uc9c0 \uc54a\ub294 \ub124\ud2b8\uc6cc\ud06c \uad6c\ucd95\uc744 \uc2dc\uc791\ud558\uc2dc\uaca0\uc2b5\ub2c8\uae4c?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc2ac\uc740 \uadf8 \uac00\uc7a5 \uc57d\ud55c \uace0\ub9ac\ub9cc\ud07c \uac15\ud569\ub2c8\ub2e4. \uce68\ubb35 \uc18d\uc758 \uc5c5\ub9c1\ud06c \uc7a5\uc560\uac00 \ubc14\ub85c \uadf8 \uc57d\ud55c \uace0\ub9ac\uac00 \ub418\uac8c \ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. Uplink Failure Detection(UFD)\uc758 \uc9c0\ub2a5\ud615 \ub85c\uc9c1\uacfc <strong>LINK-PP<\/strong>\u2018\uc758 \uace0\uc131\ub2a5 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\uad11 \ubaa8\ub4c8<\/strong><\/a>, \ub97c \ubb3c\ub9ac\uc801 \uc2e0\ub8b0\uc131\uacfc \uacb0\ud569\ud568\uc73c\ub85c\uc368, \ub2e8\uc21c\ud788 \uc5f0\uacb0\ub41c \ub124\ud2b8\uc6cc\ud06c\uac00 \uc544\ub2c8\ub77c \uc9c4\uc815\uc73c\ub85c \ud0c4\ub825\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c\ub97c \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc5b4\ub5a4 \uc7a5\uce58\uac00 \uc5c5\ub9c1\ud06c \uc7a5\uc560 \uac10\uc9c0(UFD)\ub97c \uc9c0\uc6d0\ud569\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">UFD\ub294 \ub300\ubd80\ubd84\uc758 \uad00\ub9ac\ud615 \uc2a4\uc704\uce58\uc5d0\uc11c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc8fc\ub2c8\ud37c(Juniper) \ubc0f \ub378(Dell)\uacfc \uac19\uc740 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58 \uc911 \ub2e4\uc218\ub3c4 UFD\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ud56d\uc0c1 \uc7a5\uce58\uc758 \ubb38\uc11c\ub97c \ud655\uc778\ud558\uc5ec \uc9c0\uc6d0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >UFD\uac00 \uc5c5\ub9c1\ud06c \uc7a5\uc560\ub97c \uac10\uc9c0\ud558\uba74 \uc5b4\ub5bb\uac8c \ub429\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">UFD\ub294 \ub2e4\uc6b4\ub9c1\ud06c \ud3ec\ud2b8\ub97c \uc885\ub8cc\ud558\uac70\ub098 \uacbd\uace0\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc2e0\uc18d\ud558\uac8c \uc54c\ub9bc\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub124\ud2b8\uc6cc\ud06c \ub8e8\ud504\ub97c \ubc29\uc9c0\ud558\uace0 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc548\uc804\ud558\uac8c \uc720\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc5c5\ub9c1\ud06c \uc0c1\ud0dc \uadf8\ub8f9(uplink-state group)\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5c5\ub9c1\ud06c \uc0c1\ud0dc \uadf8\ub8f9\uc740 \ud568\uaed8 \uadf8\ub8f9\ud654\ub41c \uc5c5\ub9c1\ud06c \ud3ec\ud2b8 \uc9d1\ud569\uc785\ub2c8\ub2e4. UFD\ub294 \uc774\ub7ec\ud55c \ud3ec\ud2b8\ub97c \ud558\ub098\uc758 \ub2e8\uc704\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud569\ub2c8\ub2e4. \uadf8\ub8f9 \ub0b4 \ubaa8\ub4e0 \ub9c1\ud06c\uac00 \uc7a5\uc560\ub97c \uc77c\uc73c\ud0a4\uba74 UFD\uac00 \ud574\ub2f9 \uc870\uce58\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >UFD \uc0ac\uc6a9 \uc2dc \uc5bb\uc744 \uc218 \uc788\ub294 \uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc81c \uac10\uc9c0 \uc18d\ub3c4 \ud5a5\uc0c1, \ub124\ud2b8\uc6cc\ud06c \uc2e0\ub8b0\uc131 \ud5a5\uc0c1, \uac00\ub3d9 \uc911\ub2e8 \uc2dc\uac04 \uac10\uc18c \ub4f1\uc758 \uc774\uc810\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. UFD\ub294 \ube44\uc988\ub2c8\uc2a4 \uc6b4\uc601 \uc9c0\uc18d \ubc0f \uc0ac\uc6a9\uc790 \uc5f0\uacb0 \uc720\uc9c0\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >UFD\uac00 \uc791\ub3d9\ud558\uc9c0 \uc54a\uc744 \uacbd\uc6b0 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud569\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc124\uc815\uc744 \uc810\uac80\ud558\uc2ed\uc2dc\uc624. \ucd94\uc801 \uae30\ub2a5\uc774 \ud65c\uc131\ud654\ub418\uc5c8\ub294\uc9c0, \uc62c\ubc14\ub978 \ud3ec\ud2b8\uac00 \uadf8\ub8f9\ud654\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uc624\ub958 \ub85c\uadf8\ub97c \uac80\ud1a0\ud558\uc2ed\uc2dc\uc624. \ubb38\uc81c\uac00 \uacc4\uc18d\ub418\uba74 \uc7a5\uce58 \uacf5\uae09\uc5c5\uccb4\uc5d0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc5c5\ub9c1\ud06c \uc7a5\uc560 \ud0d0\uc9c0(UFD)\ub294 \ub124\ud2b8\uc6cc\ud06c \ub9c1\ud06c \uc7a5\uc560\ub97c \uc2e0\uc18d\ud788 \uc2dd\ubcc4\ud558\uc5ec \ub2e4\uc6b4\ud0c0\uc784\uc744 \ubc29\uc9c0\ud558\uace0 \ube44\uc988\ub2c8\uc2a4 \uc5f0\uc18d\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud55c \ube60\ub978 \ub300\uc751\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":4239,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[13,14,16,18,24,26],"class_list":["post-4241","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-100g-modules","tag-10g-sfp-transceivers","tag-link-pp-25g-sfp28-optical-modules","tag-40g-qsfp-transceivers","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/comments?post=4241"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4241\/revisions"}],"predecessor-version":[{"id":10980,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4241\/revisions\/10980"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/4239"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=4241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=4241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=4241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}