{"id":4505,"date":"2025-11-05T11:12:00","date_gmt":"2025-11-05T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/common-network-issues-data-link-layer-solutions\/"},"modified":"2026-06-22T05:33:20","modified_gmt":"2026-06-22T05:33:20","slug":"common-network-issues-data-link-layer-solutions","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/common-network-issues-data-link-layer-solutions","title":{"rendered":"\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u554f\u984c\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0"},"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\/1c7cf6305eb24d878df017761ba1ff5f.webp\" alt=\"Common Network Issues at the Data Link Layer\" class=\"wp-image-4503\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e <strong>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/strong> \uff08OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u7b2c2\u5c64\uff09 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/open-system-interconnect-osi-model-seven-layers-networking\/\"><strong>\u30ec\u30a4\u30e4\u30fc3\u3067\u52d5\u4f5c\u3057\u3001<\/strong><\/a>\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u306b\u304a\u3051\u308b\u77e5\u3089\u308c\u3056\u308b\u30d2\u30fc\u30ed\u30fc\u3067\u3059\u3002\u30d3\u30c3\u30c8\u306e\u7269\u7406\u7684\u306a\u4f1d\u9001\u3068\u305d\u306e\u4e0a\u306e\u8ad6\u7406\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3068\u306e\u9593\u306b\u4e0d\u53ef\u6b20\u306a\u6a4b\u6e21\u3057\u3092\u884c\u3046\u5f79\u5272\u3092\u679c\u305f\u3057\u3001\u30ce\u30fc\u30c9\u9593\u306e\u30c7\u30fc\u30bf\u914d\u9001\u3001\u30d5\u30ec\u30fc\u30e0\u540c\u671f\u3001\u304a\u3088\u3073\u30a8\u30e9\u30fc\u5236\u5fa1\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002\u3053\u306e\u5c64\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3068\u3001\u30c7\u30fc\u30bf\u306f\u30b9\u30e0\u30fc\u30ba\u306b\u6d41\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u5c64\u306b\u554f\u984c\u304c\u3042\u308b\u3068\u3001\u8a3a\u65ad\u304c notoriously \u56f0\u96e3\u306a\u4e00\u9023\u306e\u63a5\u7d9a\u969c\u5bb3\u304c\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u3067\u6700\u3082\u3088\u304f\u898b\u3089\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u969c\u5bb3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3001\u305d\u308c\u3089\u3092\u7279\u5b9a\u30fb\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u77e5\u8b58\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u307e\u305f\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\u30aa\u30d7\u30c6\u30a3\u30ab\u30eb\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/strong><\/a>, \u306a\u3069\u306e\u7269\u7406\u7684\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u679c\u305f\u3059\u91cd\u8981\u306a\u5f79\u5272\u3001\u304a\u3088\u3073 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>\u2018\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u88fd\u54c1\u306e\u3088\u3046\u306a\u9069\u5207\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30d5\u30e9\u306e\u5b89\u5b9a\u6027\u5411\u4e0a\u306b\u304a\u3044\u3066\u6c7a\u5b9a\u7684\u306a\u9055\u3044\u3092\u751f\u3080\u70b9\u306b\u3064\u3044\u3066\u3082\u8003\u5bdf\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd27 \u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u30b3\u30a2\u6a5f\u80fd\u3092\u7406\u89e3\u3059\u308b<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u554f\u984c\u306b\u6df1\u5165\u308a\u3059\u308b\u524d\u306b\u3001\u307e\u305a\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u4e3b\u306a\u6a5f\u80fd\u3092\u7c21\u5358\u306b\u5fa9\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u306e2\u3064\u306e\u4e3b\u8981\u306a\u30b5\u30d6\u30ec\u30a4\u30e4\u30fc\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u8ad6\u7406\u30ea\u30f3\u30af\u5236\u5fa1\uff08LLC\uff09\uff1a<\/strong> \u30d5\u30ec\u30fc\u30e0\u540c\u671f\u3001\u30d5\u30ed\u30fc\u5236\u5fa1\u3001\u304a\u3088\u3073\u30a8\u30e9\u30fc\u691c\u51fa\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30e1\u30c7\u30a3\u30a2\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\uff08MAC\uff09\uff1a<\/strong> \u30c7\u30d0\u30a4\u30b9\u304c\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u304a\u3088\u3073\u9001\u4fe1\u8a31\u53ef\u3092\u5f97\u308b\u65b9\u6cd5\u3092\u51e6\u7406\u3057\u3001\u56fa\u6709\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u7528\u3044\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u8cac\u4efb\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u30d5\u30ec\u30fc\u30df\u30f3\u30b0\uff1a<\/strong> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u30c7\u30fc\u30bf\u3092\u30d5\u30ec\u30fc\u30e0\u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u5316\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u7269\u7406\u30a2\u30c9\u30ec\u30c3\u30b7\u30f3\u30b0\uff1a<\/strong> \u5404\u30d5\u30ec\u30fc\u30e0\u306b\u9001\u4fe1\u5143\u304a\u3088\u3073\u5b9b\u5148\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u4ed8\u52a0\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30a8\u30e9\u30fc\u5236\u5fa1\uff1a<\/strong> \u306a\u3069\u306b\u3088\u308b\u30a8\u30e9\u30fc\u691c\u51fa\u304a\u3088\u3073\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u8a02\u6b63\u3092\u884c\u3044\u307e\u3059\u3002 <strong>CRC\uff08\u5de1\u56de\u5197\u9577\u691c\u67fb\uff0fCyclic Redundancy Check\uff09<br><\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30d5\u30ed\u30fc\u5236\u5fa1\uff1a<\/strong> \u9001\u4fe1\u5074\u30ce\u30fc\u30c9\u304c\u53d7\u4fe1\u5074\u30ce\u30fc\u30c9\u3092\u904e\u8ca0\u8377\u306b\u3057\u306a\u3044\u3088\u3046\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306e\u3044\u305a\u308c\u304b\u304c\u5931\u6557\u3059\u308b\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306b\u75c7\u72b6\u304c\u9855\u8457\u306b\u73fe\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd27 \u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u4e00\u822c\u7684\u306a\u969c\u5bb3\u3068\u305d\u306e\u75c7\u72b6<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306f\u3001\u7b2c2\u5c64\uff08L2\uff09\u3067\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u4ee3\u8868\u7684\u306a\u969c\u5bb3\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>\ud83d\udd37 MAC\u30a2\u30c9\u30ec\u30b9\u30c6\u30fc\u30d6\u30eb\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30a4\u30c3\u30c1\u306f\u3001MAC\u30a2\u30c9\u30ec\u30b9\u3092\u7279\u5b9a\u306e\u7269\u7406\u30dd\u30fc\u30c8\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b <strong>MAC\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u3001<\/strong> \u30c6\u30fc\u30d6\u30eb\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u52b9\u7387\u7684\u306a <strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u306e\u8ee2\u9001\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u554f\u984c\u70b9\uff1a<br><\/strong> \u60aa\u610f\u3042\u308b\u653b\u6483\u3001\u307e\u305f\u306f\u8aa4\u8a2d\u5b9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u306b\u3088\u308a\u3001\u30b9\u30a4\u30c3\u30c1\u304c\u5927\u91cf\u306e\u507dMAC\u30a2\u30c9\u30ec\u30b9\u3067\u30d5\u30ed\u30fc\u30c9\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001CAM\uff08Content-Addressable Memory\uff09\u30c6\u30fc\u30d6\u30eb\u304c\u6e80\u676f\u306b\u306a\u308a\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u75c7\u72b6\uff1a<\/strong> \u30c6\u30fc\u30d6\u30eb\u304c\u6e80\u676f\u306b\u306a\u308b\u3068\u3001\u30b9\u30a4\u30c3\u30c1\u306f\u65b0\u3057\u3044\u6b63\u5f53\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u5b66\u7fd2\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30cf\u30d6\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3059\u3079\u3066\u306e\u30dd\u30fc\u30c8\u306b\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6df1\u523b\u306a <strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u52a3\u5316<\/strong>, \u3001\u9045\u3044\u30c7\u30fc\u30bf\u8ee2\u9001\u3001\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c8\u5168\u4f53\u3067\u30c7\u30fc\u30bf\u304c\u53ef\u8996\u5316\u3055\u308c\u308b\u305f\u3081\u306e\u91cd\u5927\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u304c\u767a\u751f\u3057\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>\ud83d\udd37 MAC\u30a2\u30c9\u30ec\u30b9\u30fb\u30d5\u30e9\u30c3\u30d4\u30f3\u30b0<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u304c\u540c\u4e00MAC\u30a2\u30c9\u30ec\u30b9\u30922\u3064\u4ee5\u4e0a\u306e\u30dd\u30fc\u30c8\u9593\u3067\u6025\u901f\u306b\u5207\u308a\u66ff\u308f\u3063\u3066\u3044\u308b\u3068\u691c\u51fa\u3059\u308b\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u554f\u984c\u70b9\uff1a<br><\/strong> \u3053\u306e\u539f\u56e0\u3068\u3057\u3066\u3088\u304f\u3042\u308b\u306e\u306f\u3001 <strong>\u30ec\u30a4\u30e4\u30fc2\u30eb\u30fc\u30d7<\/strong> \uff08\u30b9\u30d1\u30cb\u30f3\u30b0\u30c4\u30ea\u30fc\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\uff08STP\uff09\u304c\u8aa4\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u5834\u5408\uff09\u307e\u305f\u306f\u4e0d\u826f\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30ab\u30fc\u30c9\uff08NIC\uff09\u3067\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u75c7\u72b6\uff1a<\/strong> \u30b9\u30a4\u30c3\u30c1\u306eMAC\u30a2\u30c9\u30ec\u30b9\u30c6\u30fc\u30d6\u30eb\u306f\u7d76\u3048\u305a\u66f4\u65b0\u3055\u308c\u7d9a\u3051\u3001\u4e0d\u5b89\u5b9a\u6027\u3001\u65ad\u7d9a\u7684\u306a\u63a5\u7d9a\u3001\u304a\u3088\u3073\u30b9\u30a4\u30c3\u30c1\u306b\u304a\u3051\u308b\u9ad8CPU\u4f7f\u7528\u7387\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 <strong>MAC\u30a2\u30c9\u30ec\u30b9\u30fb\u30d5\u30e9\u30c3\u30d4\u30f3\u30b0<\/strong> \u306f\u3001\u3042\u3089\u3086\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u306b\u3068\u3063\u3066\u5fc5\u9808\u306e\u30b9\u30ad\u30eb\u3067\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>\ud83d\udd37 \u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30fb\u30df\u30b9\u30de\u30c3\u30c1<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u53e4\u5178\u7684\u304b\u3064\u975e\u5e38\u306b\u4e00\u822c\u7684\u306a\u554f\u984c\u3067\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u554f\u984c\u70b9\uff1a<br><\/strong> \u63a5\u7d9a\u306e\u4e00\u65b9\u304c\u30d5\u30eb\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\uff08\u540c\u6642\u9001\u4fe1\u30fb\u53d7\u4fe1\u53ef\u80fd\uff09\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001\u4ed6\u65b9\u304c\u30cf\u30eb\u30d5\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\uff08\u540c\u6642\u306b\u9001\u4fe1\u30fb\u53d7\u4fe1\u3067\u304d\u306a\u3044\uff09\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u81ea\u52d5\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u3079\u304d\u3067\u3059\u304c\u3001\u6642\u6298\u3001\u901f\u5ea6\u306e\u56fa\u5b9a\u8a2d\u5b9a\u3084\u4e0d\u5177\u5408\u306e\u3042\u308b\u81ea\u52d5\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308a\u3001\u3053\u306e\u30df\u30b9\u30de\u30c3\u30c1\u304c\u767a\u751f\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u75c7\u72b6\uff1a<\/strong> \u63a5\u7d9a\u306f\u78ba\u7acb\u3055\u308c\u307e\u3059\u304c\u3001\u6162\u6027\u7684\u306a <strong>\u9045\u5ef6\u30b3\u30ea\u30b8\u30e7\u30f3<\/strong> \u304a\u3088\u3073\u30d5\u30ec\u30fc\u30e0\u30c1\u30a7\u30c3\u30af\u30b7\u30fc\u30b1\u30f3\u30b9\uff08FCS\uff09\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3001\u6975\u7aef\u306b\u4f4e\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u3092\u62db\u304d\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>\ud83d\udd37 VLAN\u8a2d\u5b9a\u304a\u3088\u3073\u30c8\u30e9\u30f3\u30af\u8a2d\u5b9a\u306e\u554f\u984c<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/vlan-network-segmentation-security-management-basics\/\"><strong>\u4eee\u60f3LAN\uff08VLAN\uff09<\/strong><\/a> \u306f\u3001\u30ec\u30a4\u30e4\u30fc2\u3067\u500b\u5225\u306e\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30c9\u30e1\u30a4\u30f3\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u554f\u984c\u70b9\uff1a<br><\/strong> \u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u4e0a\u306eVLAN\u5272\u308a\u5f53\u3066\u306e\u8aa4\u8a2d\u5b9a\u3001\u307e\u305f\u306f\u30c8\u30e9\u30f3\u30af\u8a2d\u5b9a\u306e\u8aa4\u308a\uff08\u4f8b\uff1a\u30c8\u30e9\u30f3\u30af\u30ea\u30f3\u30af\u306b\u6b63\u3057\u3044VLAN\u304c\u6b20\u843d\u3057\u3066\u3044\u308b\uff09\u306b\u3088\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u901a\u4fe1\u304c\u59a8\u3052\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u75c7\u72b6\uff1a<\/strong> \u540c\u4e00\u7269\u7406\u30b9\u30a4\u30c3\u30c1\u4e0a\u306b\u3042\u3063\u3066\u3082\u3001\u672c\u6765\u901a\u4fe1\u53ef\u80fd\u306a\u30c7\u30d0\u30a4\u30b9\u540c\u58eb\u304c\u901a\u4fe1\u3067\u304d\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001 <strong>VLAN\u63a5\u7d9a\u6027\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>\u306b\u304a\u3044\u3066\u3088\u304f\u898b\u3089\u308c\u308b\u539f\u56e0\u3067\u3059\u3002<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e <strong>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/strong> \u5404\u30d5\u30ec\u30fc\u30e0\u306e\u6574\u5408\u6027\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u8cac\u4efb\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>CRC\u30a8\u30e9\u30fc\uff1a<\/strong> \u885d\u7a81\u3084\u96fb\u6c17\u7684\u5e72\u6e09\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u3001\u30d5\u30ec\u30fc\u30e0\u304c\u7834\u640d\u3057\u3001CRC\u30c1\u30a7\u30c3\u30af\u304c\u5931\u6557\u3057\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u306f\u7834\u68c4\u3055\u308c\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30b8\u30e3\u30a4\u30a2\u30f3\u30c8\uff1a<\/strong> \u6700\u5927\u4f1d\u9001\u5358\u4f4d\uff08MTU\uff09\u30b5\u30a4\u30ba\u3092\u8d85\u3048\u308b\u30d5\u30ec\u30fc\u30e0\u3067\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30e9\u30f3\u30c4\uff1a<\/strong> \u6700\u5c0f\u30b5\u30a4\u30ba\u3088\u308a\u5c0f\u3055\u3044\u30d5\u30ec\u30fc\u30e0\u3067\u3001\u3057\u3070\u3057\u3070\u885d\u7a81\u306b\u3088\u3063\u3066\u767a\u751f\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u75c7\u72b6\uff1a<\/strong> \u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u304c\u9ad8\u983b\u5ea6\u3067\u767a\u751f\u3059\u308b\u3053\u3068\u306f\u3001\u7269\u7406\u5c64\u306e\u554f\u984c\uff08\u30b1\u30fc\u30d6\u30eb\u3001\u30b3\u30cd\u30af\u30bf\uff09\u307e\u305f\u306f\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u4e0d\u4e00\u81f4\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u518d\u9001\u4fe1\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6027\u80fd\u306e\u4f4e\u4e0b\u3092\u62db\u304d\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306b\u3001\u3053\u308c\u3089\u306e\u4e00\u822c\u7684\u306a\u554f\u984c\u3092\u4e00\u89a7\u306b\u307e\u3068\u3081\u307e\u3057\u305f\uff08\u8fc5\u901f\u306a\u53c2\u7167\u7528\uff09\uff1a<\/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>\u554f\u984c<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u4e3b\u306a\u539f\u56e0<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u4e3b\u306a\u75c7\u72b6<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>MAC\u30a2\u30c9\u30ec\u30b9\u30c6\u30fc\u30d6\u30eb\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u507d\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3067CAM\u30c6\u30fc\u30d6\u30eb\u304c\u6e80\u676f\u306b\u306a\u308b<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u9045\u5ef6\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fb5\u5bb3<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>MAC\u30a2\u30c9\u30ec\u30b9\u30d5\u30e9\u30f3\u30d4\u30f3\u30b0<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30ec\u30a4\u30e4\u30fc2\u30eb\u30fc\u30d7\u307e\u305f\u306f\u4e0d\u826fNIC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u65ad\u7d9a\u7684\u306a\u63a5\u7d9a\u3001\u30b9\u30a4\u30c3\u30c1\u306e\u4e0d\u5b89\u5b9a\u5316<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u4e0d\u4e00\u81f4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4e0d\u9069\u5207\u306a\u901f\u5ea6\uff0f\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u8a2d\u5b9a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9045\u5ef6\u885d\u7a81\u3001FCS\u30a8\u30e9\u30fc\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>VLAN\u8a2d\u5b9a\u30df\u30b9<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4e0d\u9069\u5207\u306a\u30dd\u30fc\u30c8\u8a2d\u5b9a\u307e\u305f\u306f\u30c8\u30e9\u30f3\u30af\u8a2d\u5b9a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u540c\u3058VLAN\u5185\u306e\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u901a\u4fe1\u3067\u304d\u306a\u3044<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u904e\u5270\u306a\u30d5\u30ec\u30fc\u30e0\u30a8\u30e9\u30fc<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4e0d\u826f\u30b1\u30fc\u30d6\u30eb\u3001\u5e72\u6e09\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u4e0d\u4e00\u81f4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u3001\u518d\u9001\u4fe1\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u9045\u5ef6<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd27 \u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\uff1a\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u63a5\u7d9a\u90e8<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3088\u304f\u898b\u904e\u3054\u3055\u308c\u304c\u3061\u3067\u3059\u304c\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/strong><\/a> \uff08\u307e\u305f\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\uff09\u306f\u3001\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u76f4\u63a5\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u6975\u3081\u3066\u91cd\u8981\u306a\u7269\u7406\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u96fb\u5b50\u30b9\u30a4\u30c3\u30c1\u3068\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3068\u306e\u9593\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u52a3\u5316\u307e\u305f\u306f\u4f4e\u54c1\u8cea\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306f\u3001\u3053\u308c\u307e\u3067\u8b70\u8ad6\u3057\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d9\u30fc\u30b9\u306e\u554f\u984c\u3068\u540c\u69d8\u306e\u75c7\u72b6\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"719\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f.jpg\" alt=\"optical transceiver\" class=\"wp-image-4504\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f-300x180.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f-1024x614.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f-768x460.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u52a3\u60aa\u306a\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u304c\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u4ed5\u7d44\u307f\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u9ad8\u3044 <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/understanding-what-is-bit-error-rate\/\"><strong>\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc\u7387\uff08BER\uff09<\/strong><\/a><strong>:<\/strong> \u54c1\u8cea\u304c\u4f4e\u4e0b\u3057\u305f\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306f\u5149\u4fe1\u53f7\u306b\u30a8\u30e9\u30fc\u3092\u5c0e\u5165\u3057\u3001\u76f4\u63a5\u7684\u306b <strong>CRC\u304a\u3088\u3073FCS\u30a8\u30e9\u30fc<\/strong> \u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u30b9\u30a4\u30c3\u30c1\u306f\u7834\u640d\u3057\u305f\u30d5\u30ec\u30fc\u30e0\u3092\u53d7\u4fe1\u3057\u3001\u3053\u308c\u3092\u7834\u68c4\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u4fe1\u53f7\u52a3\u5316\u304a\u3088\u3073\u65ad\u7d9a\u7684\u306a\u30ea\u30f3\u30af\uff1a<\/strong> \u51fa\u529b\u304c\u5f31\u3044\u30ec\u30fc\u30b6\u30fc\u306b\u3088\u308a\u3001\u30ea\u30f3\u30af\u304c\u300c\u30d5\u30e9\u30c3\u30d4\u30f3\u30b0\u300d\uff08\u983b\u7e41\u306b\u30a2\u30c3\u30d7\uff0f\u30c0\u30a6\u30f3\u3092\u7e70\u308a\u8fd4\u3059\uff09\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u6df7\u4e71\u304c\u751f\u3058\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30dd\u30ed\u30b8\u30fc\u304c\u6025\u901f\u306b\u5909\u5316\u3057\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u898b\u3048\u3066 <strong>MAC\u30a2\u30c9\u30ec\u30b9\u30fb\u30d5\u30e9\u30c3\u30d4\u30f3\u30b0<\/strong> \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u4e0d\u5b89\u5b9a\u5316.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/strong> \u4e92\u63db\u6027\u306e\u554f\u984c\uff1a.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7d14\u6b63\u54c1\u3067\u306a\u3044\u3001\u3042\u308b\u3044\u306f\u4e0d\u9069\u5207\u306b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u7269\u7406\u4ed5\u69d8\u304c\u6b63\u3057\u304f\u3066\u3082\u30ea\u30f3\u30af\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u54c1\u8cea\u3078\u306e\u6295\u8cc7\uff1aLINK-PP\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> \u3053\u3046\u3057\u305f\u96a0\u308c\u305f\u843d\u3068\u3057\u7a74\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u9ad8\u54c1\u8cea\u304b\u3064\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002 <strong>\u306f\u3001\u8010\u4e45\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u512a\u308c\u305fMSA\u6e96\u62e0\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u591a\u6570\u88fd\u9020\u3057\u3066\u304a\u308a\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u969c\u5bb3\u306b\u3088\u308b<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001 <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>SFP-10G-SR<\/strong><\/a> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/ddm-dom-in-optical-transceivers\/\"><strong>\u30c7\u30b8\u30bf\u30eb\u8a3a\u65ad\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0 (DDM)<\/strong><\/a> \u306e\u9632\u6b62\u306b\u6700\u9069\u306a\u9078\u629e\u80a2\u3067\u3059\u3002LINK-PP 10GBASE-SR\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u305f\u9ad8\u6027\u80fd\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3042\u308a\u3001\u5148\u9032\u7684\u306a <strong>\u76e3\u8996\u6a5f\u80fd<\/strong>, \u3092\u5099\u3048\u3001\u6e29\u5ea6\u30fb\u96fb\u5727\u30fb\u5149\u51fa\u529b\u30ec\u30d9\u30eb\u3092\u4e8b\u524d\u306b\u76e3\u8996\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001 <em>\u5229\u7528\u8005\u306b\u5f71\u97ff\u304c\u51fa\u308b<\/em> \u4e88\u9632\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u76e3\u8996\u304a\u3088\u3073\u4fdd\u5b88.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u3092\u5b9f\u73fe\u3057\u3001\u52a3\u5316\u3057\u3064\u3064\u3042\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3092<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e83\u7bc4\u306a\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u30a8\u30e9\u30fc\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u969c\u5bb3\u3092\u5f15\u304d\u8d77\u3053\u3059\u524d<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u306b\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/strong> \ud83d\udd27 \u4e88\u9632\u7684\u63aa\u7f6e\u304a\u3088\u3073\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d2\u30f3\u30c8.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u4e88\u9632\u306f\u5e38\u306b\u6cbb\u7642\u3088\u308a\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u3092\u5f37\u5316\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\uff1a<\/strong> \u30b9\u30d1\u30cb\u30f3\u30b0\u30c4\u30ea\u30fc\u30d7\u30ed\u30c8\u30b3\u30eb\uff08STP\uff09\u3092\u6d3b\u7528\uff1a.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30ec\u30a4\u30e4\u30fc2\u30eb\u30fc\u30d7\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u3001\u3059\u3079\u3066\u306e\u30b9\u30a4\u30c3\u30c1\u3067STP\uff08\u307e\u305f\u306f\u305d\u306e\u9ad8\u901f\u7248\u3067\u3042\u308bRSTP\uff0fMSTP\uff09\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong> \u30dd\u30fc\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u6709\u52b9\u5316\uff1a.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30b9\u30a4\u30c3\u30c1\u306e\u30dd\u30fc\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u3001\u5404\u30dd\u30fc\u30c8\u3067\u5b66\u7fd2\u53ef\u80fd\u306aMAC\u30a2\u30c9\u30ec\u30b9\u6570\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u3001MAC\u30c6\u30fc\u30d6\u30eb\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u653b\u6483\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/strong> \u81ea\u52d5\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u6a19\u6e96\u5316\uff1a.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u7279\u6bb5\u306e\u7406\u7531\u304c\u306a\u3044\u9650\u308a\u3001\u30b9\u30a4\u30c3\u30c1\u304a\u3088\u3073\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u901f\u5ea6\u304a\u3088\u3073\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u306e\u81ea\u52d5\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u8a31\u53ef\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u624b\u52d5\u8a2d\u5b9a\uff08\u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\uff09\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u4e21\u7aef\u3067\u540c\u4e00\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u3088\u3046\u53b3\u5bc6\u306b\u7ba1\u7406\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong> VLAN\u69cb\u6210\u8a08\u753b\u3092\u6587\u66f8\u5316\uff1a.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>VLAN ID\u3001\u540d\u79f0\u3001\u5272\u308a\u5f53\u3066\u30dd\u30fc\u30c8\u3092\u660e\u78ba\u306b\u8a18\u9332\u30fb\u7ba1\u7406\u3057\u3001\u8a2d\u5b9a\u306e\u305a\u308c\u3084\u8aa4\u308a\u3092\u9632\u304e\u307e\u3059\u3002<\/strong> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u7d71\u8a08\u60c5\u5831\u3092\u76e3\u8996\uff1a <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u306eCRC\u30a8\u30e9\u30fc\u3001\u885d\u7a81\u3001\u7834\u68c4\u6570\u3092\u5b9a\u671f\u7684\u306b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u5024\u304c\u6025\u5897\u3057\u305f\u5834\u5408\u3001\u91cd\u5927\u306a\u8b66\u544a\u30b5\u30a4\u30f3\u3067\u3059\u3002<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e <strong>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/strong> \u9ad8\u54c1\u8cea\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3078\u306e\u6295\u8cc7\uff1a <strong>MAC\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u3001<\/strong> \u521d\u671f\u304b\u3089\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u6a5f\u5668\u3092\u63a1\u7528\u3059\u308c\u3070\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u8cbb\u3084\u3059\u6642\u9593\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30b1\u30fc\u30d6\u30eb\u3084\u30b9\u30a4\u30c3\u30c1\u306b\u52a0\u3048\u3001\u524d\u8ff0\u306e\u3068\u304a\u308a\u4fe1\u983c\u3067\u304d\u308b\u30d9\u30f3\u30c0\u30fc\uff08\u4f8b\uff1a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd27 \u7d50\u8ad6\uff1a\u5b89\u5b9a\u3057\u305f\u57fa\u76e4\u306e\u69cb\u7bc9<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u57fa\u672c\u7684\u306a\u57fa\u76e4\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u4ee3\u8868\u7684\u306a\u969c\u5bb3\u30e2\u30fc\u30c9\u2014\u2014<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u5b89\u5b9a\u6027\u304b\u3089\u7269\u7406\u7684\u306a\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306e\u554f\u984c\u307e\u3067\u2014\u2014\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u9ad8\u6027\u80fd\u30fb\u9ad8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u9ad8\u4fe1\u983c\u6027\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u4e88\u9632\u7684\u306a\u904b\u7528\u6226\u7565\u3092\u5b9f\u65bd\u3057\u3001\u9ad8\u54c1\u8cea\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u3046\u3057\u305f\u4e00\u822c\u7684\u306a\u8ab2\u984c\u3092\u89e3\u6d88\u3057\u3001\u30c7\u30fc\u30bf\u306e\u7121\u505c\u6b62\u306a\u6d41\u901a\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud83d\udd27 \u3088\u304f\u3042\u308b\u3054\u8cea\u554f\uff08FAQ\uff09<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306f\u3001\u540c\u4e00\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u5c64\u3067\u306f\u3001\u30a8\u30e9\u30fc\u691c\u51fa\u304a\u3088\u3073\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30bd\u30fc\u30b9\u5171\u6709\u5236\u5fa1\u3092\u884c\u3044\u307e\u3059\u3002<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30df\u30b9\u30de\u30c3\u30c1\u3092\u3069\u3046\u898b\u5206\u3051\u308b\u304b\uff1f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u901a\u4fe1\u901f\u5ea6\u306e\u4f4e\u4e0b\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u55aa\u5931\u3001\u63a5\u7d9a\u306e\u4e0d\u5b89\u5b9a\u5316\u306a\u3069\u3092\u89b3\u5bdf\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u4e0a\u3067\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u4e21\u30c7\u30d0\u30a4\u30b9\u306e\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u8a2d\u5b9a\u3092\u4e00\u81f4\u3055\u305b\u308c\u3070\u3001\u3053\u306e\u554f\u984c\u306f\u89e3\u6d88\u3055\u308c\u307e\u3059\u3002<\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u30c4\u30fc\u30eb<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u7528\u9014\u4f8b<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>MAC\u30a2\u30c9\u30ec\u30b9\u306e\u7af6\u5408\u306f\u306a\u305c\u767a\u751f\u3059\u308b\u306e\u3067\u3059\u304b\uff1f<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MAC\u30a2\u30c9\u30ec\u30b9\u306e\u7af6\u5408\u306f\u30012\u53f0\u4ee5\u4e0a\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u540c\u4e00\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u63a5\u7d9a\u304c\u5207\u65ad\u3055\u308c\u305f\u308a\u3001\u30c7\u30fc\u30bf\u304c\u8aa4\u3063\u305f\u30c7\u30d0\u30a4\u30b9\u306b\u9001\u4fe1\u3055\u308c\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u305a\u4e00\u610f\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u30ec\u30a4\u30e4\u30fc2\u306b\u304a\u3051\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u554f\u984c\u3092\u7279\u5b9a\u3059\u308b\u30c4\u30fc\u30eb\u306f\u4f55\u3067\u3059\u304b\uff1f<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Wireshark<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u30d1\u30b1\u30c3\u30c8\u89e3\u6790<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30b1\u30fc\u30d6\u30eb\u30c6\u30b9\u30bf\u30fc<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b1\u30fc\u30d6\u30eb\u306e\u78ba\u8a8d.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u30d5\u30ec\u30fc\u30e0\u885d\u7a81\u3001MAC\u7af6\u5408\u3001ARP\u30a8\u30e9\u30fc\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306b\u304a\u3051\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u554f\u984c\u3092\u89e3\u6c7a\u3057\u3001\u63a5\u7d9a\u306e\u5b89\u5b9a\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u7dad\u6301\u3057\u307e\u3057\u3087\u3046\u3002.<\/p>","protected":false},"author":1,"featured_media":4503,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[24,26],"class_list":["post-4505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/comments?post=4505"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4505\/revisions"}],"predecessor-version":[{"id":10933,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4505\/revisions\/10933"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media\/4503"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media?parent=4505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/categories?post=4505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/tags?post=4505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}