{"id":253,"date":"2025-03-13T00:40:00","date_gmt":"2025-03-12T15:40:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=253"},"modified":"2025-10-09T14:57:01","modified_gmt":"2025-10-09T05:57:01","slug":"catalyst%e3%82%b9%e3%82%a4%e3%83%83%e3%83%81%ef%bc%88%e5%9f%ba%e7%a4%8e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=253","title":{"rendered":"Catalyst\u30b9\u30a4\u30c3\u30c1\uff08\u57fa\u790e\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Catalyst\u30b9\u30a4\u30c3\u30c1\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">Catalyst\uff08\u30ab\u30bf\u30ea\u30b9\u30c8\uff09<\/span><\/strong>\u306f\u3001\u30b7\u30b9\u30b3\u793e\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u88fd\u54c1\u7fa4\u306e\u7dcf\u79f0\u3067\u3059\u3002\u30e1\u30fc\u30ab\u30fc\u3054\u3068\u306b\u30b7\u30ea\u30fc\u30ba\u540d\u304c\u7570\u306a\u308b\u306e\u3068\u540c\u3058\u3067\u3001\u30a2\u30e9\u30a4\u30c9\u30c6\u30ec\u30b7\u30b9\u306f\u300cCentreCOM\u300d\u3001APRESIA\u306f\u300cAPRESIA\u300d\u3068\u3044\u3046\u540d\u524d\u3092\u4f7f\u3044\u307e\u3059\u3002Catalyst\u306f\u52d5\u4f5c\u30ec\u30a4\u30e4\uff08L2\/L3\uff09\u3001\u30dd\u30fc\u30c8\u6570\u3001\u7b50\u4f53\u306e\u5f62\u72b6\u3084\u62e1\u5f35\u6027\u306b\u3088\u3063\u3066\u591a\u304f\u306e\u6a5f\u7a2e\u304c\u7528\u610f\u3055\u308c\u3001\u30ad\u30e3\u30f3\u30d1\u30b9LAN\u304b\u3089\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u307e\u3067\u5e45\u5e83\u3044\u73fe\u5834\u3067\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5\u3064\u306e\u5206\u985e\u3067\u5168\u4f53\u50cf\u3092\u3064\u304b\u3080<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30bf\u30ed\u30b0\u3092\u7d30\u304b\u304f\u899a\u3048\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305a\u306f\u7528\u9014\u30675\u3064\u306b\u5206\u3051\u3066\u773a\u3081\u308b\u3068\u3001\u914d\u7f6e\u5834\u6240\u3068\u5f79\u5272\u304c\u30a4\u30e1\u30fc\u30b8\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u30aa\u30d5\u30a3\u30b9\u306e\u4f8b\u3048\u3067\u8a00\u3048\u3070\u3001\u53d7\u4ed8\u30ab\u30a6\u30f3\u30bf\u30fc\uff08\u30a2\u30af\u30bb\u30b9\uff09\u3001\u30d5\u30ed\u30a2\u9593\u3092\u7d50\u3076\u5e79\u7dda\uff08\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\/\u30b3\u30a2\uff09\u3001\u30b5\u30fc\u30d0\u5ba4\uff08\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\uff09\u3001\u5de5\u5834\u73fe\u5834\uff08\u7523\u696d\u7528\uff09\u3001\u5c0f\u898f\u6a21\u62e0\u70b9\uff08\u30b3\u30f3\u30d1\u30af\u30c8\uff09\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u533a\u5206<\/th><th>\u4e3b\u306a\u5f79\u5272\u306e\u30a4\u30e1\u30fc\u30b8<\/th><th>\u4ee3\u8868\u7684\u306a\u30b7\u30ea\u30fc\u30ba\u4f8b<\/th><th>\u4f7f\u3044\u3069\u3053\u308d\u306e\u76ee\u5b89<\/th><\/tr><\/thead><tbody><tr><td>LAN\u30a2\u30af\u30bb\u30b9\u30b9\u30a4\u30c3\u30c1<\/td><td>\u7aef\u672b\u3084AP\u3001IP\u96fb\u8a71\u3092\u53ce\u5bb9<\/td><td>Catalyst 9200 \/ 9300 \/ 9400<\/td><td>\u30d5\u30ed\u30a2\u3084\u6559\u5ba4\u306e\u7aef\u672b\u76f4\u7d50\u306b\u6700\u9069<\/td><\/tr><tr><td>LAN\u30b3\u30a2\/\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3<\/td><td>\u30d5\u30ed\u30a2\u9593\u30fb\u5efa\u7269\u9593\u306e\u4e2d\u6838\u3001\u96c6\u7d04\u3068\u9ad8\u901f\u8ee2\u9001<\/td><td>Catalyst 9300 \/ 9400 \/ 9500 \/ 9600<\/td><td>\u5927\u5e2f\u57df\u30fb\u5197\u9577\u69cb\u6210\u306e\u8981\u306b\u306a\u308b\u5c64<\/td><\/tr><tr><td>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\/\u30af\u30e9\u30a6\u30c9<\/td><td>\u30b5\u30fc\u30d0\u63a5\u7d9a\u3001\u6771\u897f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u6700\u9069\u5316<\/td><td>Nexus\u7cfb\u304c\u4e3b\u6d41\uff08Catalyst\u306b\u3082DC\u5411\u3051\u30e2\u30c7\u30eb\u3042\u308a\uff09<\/td><td>\u30b5\u30fc\u30d0\u5ba4\u3084\u30af\u30e9\u30a6\u30c9\u63a5\u7d9a\u3067\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/td><\/tr><tr><td>\u7523\u696d\u7528\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/td><td>\u5de5\u5834\u30fb\u5c4b\u5916\u306a\u3069\u904e\u9177\u74b0\u5883\u3067\u306e\u901a\u4fe1<\/td><td>Industrial Ethernet\uff08IE\uff09\u30b7\u30ea\u30fc\u30ba<\/td><td>\u9632\u5875\u30fb\u8010\u6e29\u5ea6\u30fb\u8010\u632f\u52d5\u304c\u5fc5\u8981\u306a\u73fe\u5834<\/td><\/tr><tr><td>\u5c0f\u898f\u6a21\u4f01\u696d\u5411\u3051\u30b3\u30f3\u30d1\u30af\u30c8<\/td><td>\u7701\u30b9\u30da\u30fc\u30b9\u30fb\u7c21\u6613\u904b\u7528<\/td><td>\u5c0f\u578bCatalyst\uff08C1000\u306a\u3069\uff09<\/td><td>\u652f\u5e97\u3084\u5c0f\u898f\u6a21\u30aa\u30d5\u30a3\u30b9\u306b\u9069\u5408<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3\u968e\u5c64\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8003\u3048\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f01\u696dLAN\u306f\u3001\u4eba\u3084\u6a5f\u80fd\u3092\u30d5\u30ed\u30a2\u3054\u3068\u306b\u5206\u3051\u308b\u30aa\u30d5\u30a3\u30b9\u306e\u3088\u3046\u306b\u3001\u5f79\u5272\u3067\u5c64\u3092\u5206\u3051\u308b\u3068\u6574\u7136\u3068\u904b\u7528\u3067\u304d\u307e\u3059\u3002<strong><span class=\"swl-marker mark_yellow\">\u30a2\u30af\u30bb\u30b9\u5c64\u306f\u300c\u5404\u5e2d\u306e\u5cf6\u300d\u3001\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5c64\u306f\u300c\u30d5\u30ed\u30a2\u306e\u914d\u96fb\u76e4\u300d\u3001\u30b3\u30a2\u5c64\u306f\u300c\u30d3\u30eb\u5168\u4f53\u306e\u5e79\u7dda\u300d<\/span><\/strong>\u3068\u8003\u3048\u308b\u3068\u3001\u3069\u3053\u3067\u4f55\u3092\u3059\u308b\u304b\u304c\u76f4\u611f\u7684\u306b\u898b\u3048\u3066\u304d\u307e\u3059\u3002\u898f\u6a21\u304c\u5927\u304d\u3044\u307b\u3069\u3001\u3053\u306e\u5f79\u5272\u5206\u62c5\u304c\u52b9\u3044\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5404\u5c64\u306e\u5f79\u5272\u3068\u4ee3\u8868\u6a5f\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306e\u8868\u306f\u3001CCNA\u3067\u554f\u308f\u308c\u3084\u3059\u3044\u89b3\u70b9\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002\u88c5\u7f6e\u540d\u306f\u74b0\u5883\u3067\u5909\u308f\u3063\u3066\u3082\u3001\u5f79\u5272\u3068\u6a5f\u80fd\u306e\u4f4d\u7f6e\u3065\u3051\u3092\u62bc\u3055\u3048\u3066\u304a\u3051\u3070\u5fdc\u7528\u304c\u5229\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5c64<\/th><th>\u4e3b\u306a\u5f79\u5272<\/th><th>\u3088\u304f\u62c5\u3046\u6a5f\u80fd\u306e\u4f8b<\/th><th>\u88c5\u7f6e\u306e\u6027\u683c<\/th><\/tr><\/thead><tbody><tr><td>\u30a2\u30af\u30bb\u30b9\u5c64<\/td><td>\u30a8\u30f3\u30c9\u7aef\u672b\uff08PC\u3001IP\u96fb\u8a71\u3001AP\uff09\u3092\u53ce\u5bb9<\/td><td>VLAN\u4ed8\u4e0e\u3001\u30dd\u30fc\u30c8\u8a8d\u8a3c\uff08802.1X\uff09\u3001PoE\u3001\u30dd\u30fc\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u57fa\u672c\u7684\u306aL2\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/td><td>L2\u4e2d\u5fc3\u3001\u7aef\u672b\u6570\u306b\u5408\u308f\u305b\u3066\u591a\u30dd\u30fc\u30c8\u3001\u904b\u7528\u5909\u66f4\u304c\u591a\u3044<\/td><\/tr><tr><td>\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5c64<\/td><td>\u30a2\u30af\u30bb\u30b9\u5c64\u306e\u96c6\u7d04\u3068\u30dd\u30ea\u30b7\u30fc\u9069\u7528\u3001\u7d4c\u8def\u5236\u5fa1<\/td><td>\u30a4\u30f3\u30bfVLAN\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3001ACL\u9069\u7528\u3001QoS\u3001\u5197\u9577\uff08HSRP\/VRRP\u306e\u6982\u5ff5\uff09\u3001\u96c6\u7d04\u30ea\u30f3\u30af<\/td><td>L3\u30b9\u30a4\u30c3\u30c1\u4e2d\u5fc3\u3001\u5236\u5fa1\u3068\u6700\u9069\u5316\u306e\u8981<\/td><\/tr><tr><td>\u30b3\u30a2\u5c64<\/td><td>\u5168\u793e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3001\u9ad8\u901f\u30fb\u5927\u5bb9\u91cf\u8ee2\u9001<\/td><td>\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8L3\u8ee2\u9001\u3001\u4f4e\u9045\u5ef6\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u6210\u3001\u969c\u5bb3\u6642\u306e\u5373\u6642\u53ce\u675f<\/td><td>\u3068\u306b\u304b\u304f\u901f\u304f\u843d\u3061\u306a\u3044\u3053\u3068\u304c\u6700\u91cd\u8981<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u30a2\u30af\u30bb\u30b9\u5c64\u306f\u300c\u7aef\u672b\u306e\u51fa\u5165\u308a\u53e3\u300d\u3001\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5c64\u306f\u300c\u30dd\u30ea\u30b7\u30fc\u3068\u7d4c\u8def\u306e\u5206\u5c90\u70b9\u300d\u3001\u30b3\u30a2\u5c64\u306f\u300c\u6700\u77ed\u30fb\u6700\u901f\u3067\u904b\u3076\u5e79\u7dda\u300d\u3002\u8a66\u9a13\u3067\u306f\u3001ACL\u3084NAT\u306e\u4f4d\u7f6e\u3001\u30a4\u30f3\u30bfVLAN\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6240\u5728\u3092\u3053\u306e\u5bfe\u5fdc\u3067\u7d20\u65e9\u304f\u5224\u65ad\u3067\u304d\u308b\u304b\u304c\u554f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a2\u30af\u30bb\u30b9\u5c64<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30af\u30bb\u30b9\u5c64\u306f\u3001\u65e5\u3005\u306e\u904b\u7528\u3067\u6700\u3082\u89e6\u308c\u308b\u30b9\u30a4\u30c3\u30c1\u3067\u3059\u3002\u7aef\u672b\u306e\u5897\u6e1b\u306b\u5408\u308f\u305b\u3066\u8a2d\u5b9a\u5909\u66f4\u304c\u591a\u304f\u3001\u7121\u7ddaAP\u3084IP\u96fb\u8a71\u306b\u7d66\u96fb\u3059\u308bPoE\u3001\u8a8d\u8a3c\u306b\u3088\u308b\u5165\u9000\u5ba4\u7ba1\u7406\u306e\u3088\u3046\u306a802.1X\u3001\u6765\u8a2a\u8005\u5411\u3051\u306eVLAN\u5206\u96e2\u306a\u3069\u3001\u73fe\u5834\u306e\u5229\u4fbf\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4e21\u7acb\u3057\u307e\u3059\u3002\u6700\u8fd1\u306f\u30af\u30e9\u30a6\u30c9\u7ba1\u7406\u3068\u30aa\u30f3\u30d7\u30ec\u7ba1\u7406\u3092\u9078\u3079\u308b\u305f\u3081\u3001\u62e0\u70b9\u6570\u3084\u904b\u7528\u4f53\u5236\u306b\u5408\u308f\u305b\u305f\u7ba1\u7406\u65b9\u5f0f\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002\u5927\u5e2f\u57df\u5316\u306b\u3082\u5099\u3048\u3001\u30de\u30eb\u30c1\u30ae\u30ac\u3084\u9ad8\u901f\u30a2\u30c3\u30d7\u30ea\u30f3\u30af\u306a\u3069\u201c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u3089\u306a\u3044\u201d\u5de5\u592b\u304c\u76db\u308a\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u30a2\u30af\u30bb\u30b9\u5c64\uff1d\u30a8\u30f3\u30c9\u7aef\u672b\u53ce\u5bb9\u3001VLAN\/\u30c8\u30e9\u30f3\u30af\u3001PoE\u3001\u30dd\u30fc\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001802.1X\u3068\u3044\u3063\u305f\u30ad\u30fc\u30ef\u30fc\u30c9\u3068\u7d50\u3073\u4ed8\u3051\u3066\u899a\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">LAN\u30b3\u30a2\/\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u30b9\u30a4\u30c3\u30c1\u306e\u7279\u5fb4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30a2\/\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5c64\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5e79\u306b\u3042\u305f\u308a\u307e\u3059\u3002\u591a\u6570\u306e\u30d5\u30ed\u30a2\u3084\u5efa\u7269\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3055\u3070\u304f\u305f\u3081\u3001\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u30fb\u4f4e\u9045\u5ef6\u30fb\u9ad8\u53ef\u7528\u6027\u304c\u524d\u63d0\u3067\u3059\u3002\u5197\u9577\u5316\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\uff08L3\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\uff09\u3001\u30e2\u30c7\u30eb\u4e3b\u5c0e\u306e\u81ea\u52d5\u5316\u30fb\u53ef\u8996\u5316\u306a\u3069\u3001\u3069\u3093\u306a\u969c\u5bb3\u304c\u8d77\u304d\u3066\u3082\u696d\u52d9\u3092\u6b62\u3081\u306b\u304f\u3044\u4ed5\u7d44\u307f\u3092\u5099\u3048\u307e\u3059\u3002\u5e2f\u57df\u306f\u8a2d\u8a08\u6b21\u7b2c\u3067\u30b9\u30b1\u30fc\u30eb\u3057\u3001\u5c06\u6765\u306e\u5897\u901f\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u306f\u5fc5\u305a\u899a\u3048\u308b\uff1a\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\/\u30b3\u30a2\u5c64\u306f\u300c\u96c6\u7d04\u30fb\u7d4c\u8def\u5236\u5fa1\u30fb\u5197\u9577\u5316\u300d\u3002\u4e09\u5c64\u30e2\u30c7\u30eb\u306e\u5f79\u5272\u3001STP\/EtherChannel\u306e\u53ce\u675f\u3001L3\u5197\u9577\uff08HSRP\/VRRP\u306e\u6982\u5ff5\uff09\u306a\u3069\u3068\u95a2\u9023\u3065\u3051\u3066\u6574\u7406\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee3\u8868\u30b7\u30ea\u30fc\u30ba\u306e\u4f4d\u7f6e\u3065\u3051\u3092\u77ed\u304f\u6574\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Catalyst 9200 \u306f\u30a8\u30c3\u30b8\u306e\u6a19\u6e96\u6a5f\u3068\u3057\u3066\u7aef\u672b\u53ce\u5bb9\u306b\u5f37\u304f\u30019300 \u306f\u6a5f\u80fd\u30fb\u62e1\u5f35\u6027\u304c\u539a\u304f\u30b9\u30bf\u30c3\u30af\u3067\u306e\u62e1\u5f35\u304c\u5f97\u610f\u3067\u3059\u30029400 \u306f\u30e2\u30b8\u30e5\u30e9\u30fc\u578b\u3067\u30b7\u30e3\u30fc\u30b7\u306b\u30e9\u30a4\u30f3\u30ab\u30fc\u30c9\u3092\u633f\u3057\u3066\u62e1\u5f35\u3057\u3001\u5927\u898f\u6a21\u30a2\u30af\u30bb\u30b9\u3084\u96c6\u7d04\u306b\u3082\u5bfe\u5fdc\u3057\u307e\u3059\u30029500 \u306f\u56fa\u5b9a\u578b\u306e\u9ad8\u6027\u80fd\u30b3\u30a2\u30eb\u30fc\u30bf\u7684\u30dd\u30b8\u30b7\u30e7\u30f3\u30019600 \u306f\u30e2\u30b8\u30e5\u30e9\u30fc\u578b\u306e\u30ad\u30e3\u30f3\u30d1\u30b9\u30b3\u30a2\u3067\u3001\u62e0\u70b9\u5168\u4f53\u306e\u5fc3\u81d3\u90e8\u3092\u62c5\u3044\u307e\u3059\u3002\u306a\u304a\u30019300\/9400\u306f\u8a2d\u8a08\u306b\u3088\u3063\u3066\u30a2\u30af\u30bb\u30b9\u306b\u3082\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3082\u7f6e\u3051\u308b\u201c\u4e07\u80fd\u9078\u624b\u201d\u3068\u3044\u3046\u7406\u89e3\u3067OK\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b66\u7fd2\u306e\u30b3\u30c4\u3068\u78ba\u8a8d\u30dd\u30a4\u30f3\u30c8<br>\u88fd\u54c1\u540d\u3092\u6697\u8a18\u3059\u308b\u3088\u308a\u3001\u307e\u305a\u306f\u300c\u3069\u306e\u5c64\u306b\u7f6e\u304f\u306e\u304b\u300d\u300c\u305d\u3053\u3067\u4f55\u3092\u89e3\u6c7a\u3059\u308b\u306e\u304b\u300d\u3092\u8a00\u8a9e\u5316\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u7aef\u672b\u3092\u5b89\u5168\u306b\u53ce\u5bb9\u3059\u308b\u306e\u304c\u30a2\u30af\u30bb\u30b9\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u9053\u7b4b\u3068\u901f\u5ea6\u3092\u6c7a\u3081\u308b\u306e\u304c\u30b3\u30a2\/\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3001\u3068\u5206\u3051\u3066\u8003\u3048\u308c\u3070\u3001\u3069\u306e\u30b7\u30ea\u30fc\u30ba\u306b\u4f55\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u304b\u304c\u81ea\u7136\u3068\u898b\u3048\u3066\u304d\u307e\u3059\u3002CCNA\u3067\u306f\u3001\u88c5\u7f6e\u540d\u305d\u306e\u3082\u306e\u3088\u308a\u3082\u5c64\u306e\u5f79\u5272\u306b\u6cbf\u3063\u305f\u6a5f\u80fd\u9078\u5b9a\u3092\u554f\u3046\u51fa\u984c\u304c\u591a\u3044\u306e\u3067\u3001\u65e5\u5e38\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30d3\u30eb\u306e\u201c\u53d7\u4ed8\u3068\u5e79\u7dda\u201d\u306b\u7f6e\u304d\u63db\u3048\u3066\u8003\u3048\u308b\u7656\u3092\u3064\u3051\u308b\u3068\u7406\u89e3\u304c\u65e9\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30fc\u30d0\u30d5\u30a1\u30fc\u30e0\u306e\u4f4d\u7f6e\u3065\u3051<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30fc\u30d0\u3092\u675f\u306d\u308b\u30b9\u30a4\u30c3\u30c1\u7fa4\u306f<strong><span class=\"swl-marker mark_yellow\">\u300c\u30b5\u30fc\u30d0\u30d5\u30a1\u30fc\u30e0\u300d<\/span><\/strong>\u3068\u547c\u3070\u308c\u3001\u4e09\u5c64\u30e2\u30c7\u30eb\u4e0a\u306f<strong><span class=\"swl-marker mark_yellow\">\u30a2\u30af\u30bb\u30b9\u5c64<\/span><\/strong>\u306b\u5c5e\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001PC\u76f4\u53ce\u7528\u306e\u30b9\u30a4\u30c3\u30c1\u3088\u308a\u9ad8\u6a5f\u80fd\u306aL2\uff08\u5834\u5408\u306b\u3088\u3063\u3066\u306fL3\uff09\u6a5f\u80fd\u3092\u4f7f\u3044\u3001\u4e0a\u4f4d\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5c64\u306b\u5bfe\u3057\u3066\u5e2f\u57df\u3084\u5197\u9577\u3092\u539a\u3081\u306b\u8a2d\u8a08\u3057\u307e\u3059\u3002\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u300c\u540c\u3058\u30d5\u30ed\u30a2\u306b\u3044\u3066\u3082\u3001\u30b5\u30fc\u30d0\u5cf6\u306f\u592a\u3044\u5e79\u7dda\u3068\u5c02\u7528\u30eb\u30fc\u30eb\u3067\u6271\u3046\u7279\u5225\u5e2d\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2\u968e\u5c64\uff08\u30b3\u30e9\u30d7\u30b9\u30c8\u30b3\u30a2\uff09\u306e\u767a\u60f3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5229\u7528\u8005\u304c\u6570\u767e\u4eba\u898f\u6a21\u306e\u30aa\u30d5\u30a3\u30b9\u3067\u3001\u4e09\u5c64\u3092\u3059\u3079\u3066\u7528\u610f\u3059\u308b\u3068\u6a5f\u5668\u3082\u904b\u7528\u3082\u904e\u5270\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5c64\u304c\u30b3\u30a2\u5c64\u306e\u5f79\u5272\u3082\u517c\u306d\u308b<strong><span class=\"swl-marker mark_yellow\">\u300c\u30b3\u30e9\u30d7\u30b9\u30c8\u30b3\u30a2\uff08collapsed core\uff09\u300d<\/span><\/strong>\u3068\u3044\u3046\u4e8c\u968e\u5c64\u69cb\u6210\u304c\u73fe\u5b9f\u7684\u306a\u9078\u629e\u306b\u306a\u308a\u307e\u3059\u3002\u30d5\u30ed\u30a2\u306e\u914d\u96fb\u76e4\u304c\u305d\u306e\u307e\u307e\u5e79\u7dda\u306b\u3082\u76f4\u7d50\u3057\u3066\u3044\u308b\u30a4\u30e1\u30fc\u30b8\u3067\u3001\u88c5\u7f6e\u53f0\u6570\u3092\u6291\u3048\u3064\u3064\u3001\u5fc5\u8981\u306aL3\u6a5f\u80fd\u3068\u5197\u9577\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u89b3\u70b9<\/th><th>3\u968e\u5c64<\/th><th>2\u968e\u5c64\uff08\u30b3\u30e9\u30d7\u30b9\u30c8\u30b3\u30a2\uff09<\/th><\/tr><\/thead><tbody><tr><td>\u69cb\u9020<\/td><td>\u30a2\u30af\u30bb\u30b9\uff0f\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\uff0f\u30b3\u30a2\u3092\u5206\u96e2<\/td><td>\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u30b3\u30a2\u306e\u5f79\u5272\u3082\u517c\u52d9<\/td><\/tr><tr><td>\u5f37\u307f<\/td><td>\u5927\u898f\u6a21\u62e1\u5f35\u30fb\u6545\u969c\u5206\u96e2\u306b\u5f37\u3044\u3001\u5f79\u5272\u304c\u660e\u78ba<\/td><td>\u6a5f\u5668\u30fb\u914d\u7dda\u30fb\u904b\u7528\u304c\u7c21\u7d20\u3001\u30b3\u30b9\u30c8\u6700\u9069<\/td><\/tr><tr><td>\u6ce8\u610f\u70b9<\/td><td>\u521d\u671f\u30b3\u30b9\u30c8\u30fb\u904b\u7528\u306e\u8907\u96d1\u3055<\/td><td>\u96c6\u7d04\u70b9\u306e\u6545\u969c\u5f71\u97ff\u304c\u76f8\u5bfe\u7684\u306b\u5927\u304d\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u4e8c\u968e\u5c64\u306e\u56f3\u3092\u898b\u3066\u300c\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\uff1dL3\uff1d\u30b3\u30a2\u3082\u517c\u4efb\u300d\u3068\u8aad\u307f\u66ff\u3048\u3089\u308c\u308b\u304b\u304c\u9375\u3067\u3059\u3002\u5197\u9577\u30d7\u30ed\u30c8\u30b3\u30eb\uff08HSRP\/VRRP\u306e\u6982\u5ff5\uff09\u3084\u30a4\u30fc\u30b5\u30c1\u30e3\u30cd\u30eb\u306e\u914d\u7f6e\u304c\u4e09\u968e\u5c64\u3068\u3069\u3046\u5909\u308f\u308b\u304b\u3092\u8a00\u8a9e\u5316\u3067\u304d\u308b\u3068\u52a0\u70b9\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u898f\u6a21\u3068\u8981\u4ef6\u304b\u3089\u306e\u8a2d\u8a08\u5224\u65ad<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uff13\u968e\u5c64\u304b\uff12\u968e\u5c64\u3069\u3061\u3089\u3092\u63a1\u308b\u304b\u306f\u300c\u540c\u6642\u63a5\u7d9a\u7aef\u672b\u306e\u6570\u300d\u300c\u30d5\u30ed\u30a2\u30fb\u68df\u306e\u6570\u300d\u300c\u5fc5\u8981\u5e2f\u57df\u300d\u300c\u6545\u969c\u6642\u306b\u8a31\u5bb9\u3067\u304d\u308b\u5f71\u97ff\u7bc4\u56f2\u300d\u3067\u6c7a\u3081\u307e\u3059\u3002\u6570\u5343\u4eba\u898f\u6a21\u3084\u8907\u6570\u68df\u3067\u3042\u308c\u3070\u4e09\u968e\u5c64\u304c\u63a8\u5968\u3067\u3059\u3057\u3001\u5358\u4e00\u30d3\u30eb\u3067\u6570\u767e\u4eba\u306a\u3089\u30b3\u30e9\u30d7\u30b9\u30c8\u30b3\u30a2\u304c\u6271\u3044\u3084\u3059\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u5c06\u6765\u306e\u5897\u5e8a\u3084\u62e0\u70b9\u8ffd\u52a0\u304c\u898b\u3048\u3066\u3044\u308b\u306a\u3089\u3001\u6700\u521d\u304b\u3089\u4e09\u968e\u5c64\u3092\u610f\u8b58\u3057\u305f\u914d\u7dda\u30fbVLAN\u8a2d\u8a08\u306b\u3057\u3066\u304a\u304f\u3068\u79fb\u884c\u304c\u6ed1\u3089\u304b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6d41\u308c\u3092\u77ed\u3044\u7269\u8a9e\u3067\u78ba\u8a8d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u30d5\u30ed\u30a2\u306ePC\u540c\u58eb\u306f\u3001\u30a2\u30af\u30bb\u30b9\u5c64\u306eL2\u30b9\u30a4\u30c3\u30c1\u5185\u3067\u5b8c\u7d50\u3057\u307e\u3059\u3002\u5225\u30d5\u30ed\u30a2\u3078\u5411\u304b\u3046\u3068\u3001\u3044\u3063\u305f\u3093\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5c64\u306b\u96c6\u7d04\u3055\u308c\u3001VLAN\u3092\u307e\u305f\u3050\u901a\u4fe1\u306a\u3089\u305d\u3053\u3067L3\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u5225\u68df\u3084\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u3078\u884c\u304f\u5834\u5408\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30b3\u30a2\u5c64\u306b\u5f15\u304d\u6e21\u3055\u308c\u3001\u9ad8\u901f\u306b\u4e2d\u7d99\u3055\u308c\u3066\u76ee\u7684\u5730\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5c64\u3078\u623b\u308a\u3001\u6700\u5f8c\u306b\u76f8\u624b\u30d5\u30ed\u30a2\u306e\u30a2\u30af\u30bb\u30b9\u5c64\u306b\u964d\u308a\u3066\u5230\u9054\u3057\u307e\u3059\u3002\u9ad8\u901f\u9053\u8def\uff08\u30b3\u30a2\uff09\u3068\u30a4\u30f3\u30bf\u30fc\u30c1\u30a7\u30f3\u30b8\uff08\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\uff09\u3068\u4e00\u822c\u9053\uff08\u30a2\u30af\u30bb\u30b9\uff09\u304c\u5f79\u5272\u5206\u62c5\u3057\u3066\u3044\u308b\u3001\u3068\u8003\u3048\u308b\u3068\u52d5\u304d\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u30a2\u30af\u30bb\u30b9\u5c64\u306e\u30b9\u30a4\u30c3\u30c1\u306fL2\u304c\u57fa\u672c\u3001\u30a4\u30f3\u30bfVLAN\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3084ACL\u306f\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5c64\u304c\u62c5\u5f53\u3001\u30b3\u30a2\u5c64\u306f\u6a5f\u80fd\u3092\u76db\u308a\u8fbc\u307f\u3059\u304e\u305a\u300c\u901f\u304f\u30fb\u6b62\u307e\u3089\u305a\u30fb\u5358\u7d14\u306b\u300d\u304c\u539f\u5247\u3067\u3059\u3002\u56f3\u306bVLAN\u5883\u754c\u3084\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u4f4d\u7f6e\u304c\u793a\u3055\u308c\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u3053\u306e\u539f\u5247\u3067\u5f53\u305f\u308a\u3092\u4ed8\u3051\u308b\u3068\u9078\u629e\u80a2\u3092\u7d20\u65e9\u304f\u7d5e\u308c\u307e\u3059\u3002\u5b9f\u88c5\u3067\u8ff7\u3063\u305f\u3089\u3001\u300c\u7aef\u672b\u306b\u8fd1\u3044\u3068\u3053\u308d\u3067\u5165\u9000\u5ba4\u7ba1\u7406\uff08\u8a8d\u8a3c\uff09\u3001\u30d5\u30ed\u30a2\u306e\u51fa\u53e3\u3067\u4ea4\u901a\u6574\u7406\uff08ACL\u30fbQoS\uff09\u3001\u5e79\u7dda\u306f\u6700\u77ed\u8ddd\u96e2\u3067\u904b\u642c\uff08\u30b7\u30f3\u30d7\u30eb\u306aL3\uff09\u300d\u3068\u3044\u3046\u5408\u8a00\u8449\u3067\u6574\u7406\u3059\u308b\u3068\u8a18\u61b6\u306b\u5b9a\u7740\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Catalyst\u30b9\u30a4\u30c3\u30c1\u306e\u8d77\u52d5\u306e\u57fa\u672c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u56fa\u5b9a\u578b\u306eCatalyst\u306f\u3001\u96fb\u6e90\u30b1\u30fc\u30d6\u30eb\u3092\u633f\u3059\u3060\u3051\u3067\u81ea\u52d5\u7684\u306b\u8d77\u52d5\u3057\u307e\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u578b\u306f\u5bb6\u96fb\u306e\u4e3b\u96fb\u6e90\u306e\u3088\u3046\u306b\u30b9\u30a4\u30c3\u30c1\u304c\u5225\u306b\u3042\u308b\u305f\u3081\u3001\u30b1\u30fc\u30d6\u30eb\u63a5\u7d9a\u5f8c\u306b\u96fb\u6e90\u30b9\u30a4\u30c3\u30c1\u3092\u30aa\u30f3\u306b\u3057\u3066\u8d77\u52d5\u3055\u305b\u307e\u3059\u3002\u73fe\u5834\u3067\u306f\u96fb\u6e90\u6295\u5165\u3068\u540c\u6642\u306b\u72b6\u614b\u3092\u89b3\u5bdf\u3057\u305f\u3044\u306e\u3067\u3001\u307e\u305aPC\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u63a5\u7d9a\u3057\u3066\u304b\u3089\u96fb\u6e90\u3092\u5165\u308c\u308b\u306e\u304c\u5b9a\u756a\u3067\u3059\u3002\u30b3\u30f3\u30bd\u30fc\u30eb\u306f\u30eb\u30fc\u30bf\u3068\u540c\u69d8\u306b\u30b7\u30ea\u30a2\u30eb\uff08\u3042\u308b\u3044\u306fUSB\u30b3\u30f3\u30bd\u30fc\u30eb\uff09\u3067\u3064\u306a\u304e\u3001\u7aef\u672b\u30bd\u30d5\u30c8\u306e\u8a2d\u5b9a\u306f 9600bps\u30fb8N1\u30fb\u30d5\u30ed\u30fc\u5236\u5fa1\u306a\u3057\u304c\u57fa\u672c\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u56fa\u5b9a\u578b\u306f\u300c\u633f\u3057\u305f\u3089\u8d77\u52d5\u300d\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u578b\u306f\u300c\u633f\u3057\u3066\u30b9\u30a4\u30c3\u30c1\u3092\u5165\u308c\u308b\u300d\u3002\u8d77\u52d5\u89b3\u5bdf\u306f\u30b3\u30f3\u30bd\u30fc\u30eb\u63a5\u7d9a\u3057\u3066\u304b\u3089\u884c\u3046\u3001\u3068\u624b\u9806\u3092\u4f53\u3067\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8d77\u52d5\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u6d41\u308c\u3067\u30a4\u30e1\u30fc\u30b8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u96fb\u6e90\u304c\u5165\u308b\u3068\u3001\u30b9\u30a4\u30c3\u30c1\u306f\u81ea\u5206\u306e\u5065\u5eb7\u8a3a\u65ad\u304b\u3089\u59cb\u3081\u307e\u3059\u3002POST\uff08\u81ea\u5df1\u8a3a\u65ad\uff09\u3067\u90e8\u54c1\u306e\u7570\u5e38\u304c\u306a\u3044\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u7d9a\u3044\u3066\u30ec\u30b8\u30b9\u30bf\u5024\u3092\u53c2\u7167\u3057\u3066\u300c\u3069\u3053\u304b\u3089\u30fb\u3069\u306eIOS\u3092\u8aad\u307f\u8fbc\u3080\u306e\u304b\u300d\u3068\u3044\u3046\u8d77\u52d5\u65b9\u91dd\u3092\u6c7a\u3081\u307e\u3059\u3002\u6b21\u306bIOS\u30a4\u30e1\u30fc\u30b8\u306e\u691c\u7d22\u3068\u30ed\u30fc\u30c9\u3092\u884c\u3044\u3001\u6700\u5f8c\u306b\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u30b3\u30f3\u30d5\u30a3\u30b0\u3092\u8aad\u307f\u8fbc\u3093\u3067\u7a3c\u50cd\u72b6\u614b\u306b\u79fb\u308a\u307e\u3059\u3002\u6b63\u5e38\u306b\u7acb\u3061\u4e0a\u304c\u308c\u3070\u3001\u524d\u9762\u306eSYST\u30e9\u30f3\u30d7\u304c\u7dd1\u306b\u70b9\u706f\u3057\u307e\u3059\u3002\u3082\u3057\u6a59\u306a\u3089\u3001\u96fb\u6e90\u306f\u6765\u3066\u3044\u308b\u304c\u672c\u4f53\u306b\u969c\u5bb3\u304c\u3042\u308b\u5408\u56f3\u3067\u3059\u3002\u6d88\u706f\u306f\u305d\u3082\u305d\u3082\u96fb\u6e90\u304c\u4f9b\u7d66\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3001\u88c5\u7f6e\u304c\u30aa\u30d5\u306e\u72b6\u614b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u6d41\u308c\u3092\u300cPOST \u2192 \u30ec\u30b8\u30b9\u30bf\u53c2\u7167 \u2192 IOS\u30ed\u30fc\u30c9 \u2192 \u30b3\u30f3\u30d5\u30a3\u30b0\u30ed\u30fc\u30c9 \u2192 \u7a3c\u50cd\u300d\u3068\u7d20\u65e9\u304f\u53e3\u306b\u51fa\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3068\u3001\u8d77\u52d5\u30c8\u30e9\u30d6\u30eb\u306e\u8a2d\u554f\u3067\u8ff7\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u9762LED\u306e\u8aad\u307f\u53d6\u308a\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LED\u306f\u88c5\u7f6e\u306e\u201c\u8868\u60c5\u201d\u3067\u3059\u3002\u30a8\u30f3\u30b8\u30f3\u306e\u8b66\u544a\u706f\u306e\u3088\u3046\u306b\u3001\u8272\u3068\u70b9\u706f\u30d1\u30bf\u30fc\u30f3\u3067\u72b6\u614b\u3092\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002\u6b21\u306e\u8868\u306f\u3001CCNA\u306e\u5b66\u7fd2\u3067\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u4ee3\u8868\u7684\u306aLED\u306e\u610f\u5473\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>LED\/\u8868\u793a<\/th><th>\u4ee3\u8868\u7684\u306a\u72b6\u614b<\/th><th>\u898b\u3048\u65b9\u306e\u4f8b<\/th><th>\u4f55\u3092\u793a\u3059\u304b\u306e\u8981\u70b9<\/th><\/tr><\/thead><tbody><tr><td>SYST<\/td><td>\u6b63\u5e38\u7a3c\u50cd<\/td><td>\u7dd1\u70b9\u706f<\/td><td>\u30b9\u30a4\u30c3\u30c1\u304c\u6b63\u5e38\u306b\u8d77\u52d5\u3057\u3066\u3044\u308b<\/td><\/tr><tr><td><\/td><td>\u672c\u4f53\u969c\u5bb3<\/td><td>\u6a59\u70b9\u706f<\/td><td>\u96fb\u6e90\u306f\u6765\u3066\u3044\u308b\u304c\u30b7\u30b9\u30c6\u30e0\u30a8\u30e9\u30fc<\/td><\/tr><tr><td><\/td><td>\u96fb\u6e90\u306a\u3057<\/td><td>\u6d88\u706f<\/td><td>\u96fb\u6e90\u672a\u63a5\u7d9a\uff0f\u88c5\u7f6e\u30aa\u30d5<\/td><\/tr><tr><td>RPS\uff08\u5bfe\u5fdc\u6a5f\u306e\u307f\uff09<\/td><td>\u5f85\u6a5f\u826f\u597d<\/td><td>\u7dd1\u70b9\u706f<\/td><td>\u672c\u4f53\u969c\u5bb3\u6642\u306bRPS\u3067\u7d66\u96fb\u53ef\u80fd<\/td><\/tr><tr><td><\/td><td>\u5225\u6a5f\u306b\u7d66\u96fb\u4e2d<\/td><td>\u7dd1\u70b9\u6ec5<\/td><td>\u4eca\u306f\u4ed6\u6a5f\u3078\u7d66\u96fb\u4e2d\u3067\u4f7f\u7528\u4e0d\u53ef<\/td><\/tr><tr><td><\/td><td>RPS\u7570\u5e38<\/td><td>\u6a59\u70b9\u706f\/\u70b9\u6ec5<\/td><td>RPS\u306e\u6545\u969c\u307e\u305f\u306fRPS\u304b\u3089\u7d66\u96fb\u4e2d<\/td><\/tr><tr><td>\u30e2\u30fc\u30c9\uff1dSTAT<\/td><td>\u30ea\u30f3\u30af\u306e\u307f<\/td><td>\u5404\u30dd\u30fc\u30c8\u7dd1\u70b9\u706f<\/td><td>\u7269\u7406\u30ea\u30f3\u30af\u306f\u3042\u308b\u304c\u7121\u901a\u4fe1<\/td><\/tr><tr><td><\/td><td>\u901a\u4fe1\u4e2d<\/td><td>\u7dd1\u70b9\u6ec5<\/td><td>\u30d5\u30ec\u30fc\u30e0\u9001\u53d7\u4fe1\u3042\u308a<\/td><\/tr><tr><td><\/td><td>\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0<\/td><td>\u6a59\u70b9\u706f<\/td><td>STP\u3067\u8ee2\u9001\u505c\u6b62\uff08\u5b66\u7fd2\u30fb\u8ee2\u9001\u305b\u305a\uff09<\/td><\/tr><tr><td><\/td><td>\u30ea\u30f3\u30af\u969c\u5bb3<\/td><td>\u7dd1\u3068\u6a59\u306e\u4ea4\u4e92\u70b9\u6ec5<\/td><td>\u65ad\u7dda\u30fb\u30dd\u30fc\u30c8\u6545\u969c\u306a\u3069\u306e\u7591\u3044<\/td><\/tr><tr><td><\/td><td>\u30ea\u30f3\u30af\u306a\u3057<\/td><td>\u6d88\u706f<\/td><td>\u30b1\u30fc\u30d6\u30eb\u672a\u63a5\u7d9a\uff0f\u7ba1\u7406\u7684shutdown<\/td><\/tr><tr><td>\u30e2\u30fc\u30c9\uff1dDUPLX<\/td><td>\u5168\u4e8c\u91cd<\/td><td>\u7dd1\u70b9\u706f<\/td><td>\u885d\u7a81\u306a\u3057\u3067\u53cc\u65b9\u5411\u901a\u4fe1<\/td><\/tr><tr><td><\/td><td>\u534a\u4e8c\u91cd\/\u672a\u63a5\u7d9a<\/td><td>\u6d88\u706f<\/td><td>\u65e7\u6a5f\u5668\u63a5\u7d9a\u3084\u8a2d\u5b9a\u306e\u4e0d\u4e00\u81f4\u306e\u53ef\u80fd\u6027<\/td><\/tr><tr><td>\u30e2\u30fc\u30c9\uff1dSPEED<\/td><td>\u4f4e\u901f\/\u672a\u63a5\u7d9a<\/td><td>\u6d88\u706f<\/td><td>10Mbps\u306a\u3069\u6a5f\u7a2e\u4f9d\u5b58\u306e\u6700\u4e0b\u4f4d\u901f\u5ea6<\/td><\/tr><tr><td><\/td><td>\u898f\u5b9a\u901f\u5ea6<\/td><td>\u7dd1\u70b9\u706f\/\u70b9\u6ec5<\/td><td>100Mbps\/1Gbps\u7b49\u3067\u7a3c\u50cd\uff08\u6a5f\u7a2e\u306b\u3088\u308a\u8868\u793a\u5dee\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e2\u30fc\u30c9\u30dc\u30bf\u30f3\u306f\u300cSTAT \u2192 DUPLX \u2192 SPEED\u300d\u3068\u8868\u793a\u5185\u5bb9\u3092\u5207\u308a\u66ff\u3048\u308b\u30b9\u30a4\u30c3\u30c1\u3067\u3059\u3002\u62bc\u3057\u305f\u72b6\u614b\u306b\u5fdc\u3058\u3066\u3001\u5404\u30dd\u30fc\u30c8LED\u306e\u610f\u5473\u304c\u5909\u308f\u308b\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1aSTAT\u3067\u6a59\u70b9\u706f\u306f\u300cSTP\u30d6\u30ed\u30c3\u30af\u300d\u3002DUPLX\u3067\u6d88\u706f\u306f\u300c\u534a\u4e8c\u91cd\u306e\u53ef\u80fd\u6027\u300d\u3002SYST\u306e\u6a59\u306f\u300c\u672c\u4f53\u5074\u306e\u554f\u984c\u300d\u3002\u3053\u306e\u4e09\u3064\u306f\u51fa\u984c\u983b\u5ea6\u304c\u9ad8\u3044\u5408\u56f3\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e2\u30fc\u30c9\u30dc\u30bf\u30f3\u306e\u4f7f\u3044\u65b9\u3068\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u904b\u7528\u3067\u306f\u3001\u307e\u305aSTAT\u3067\u30ea\u30f3\u30af\u6709\u7121\u3068STP\u72b6\u614b\u3092\u898b\u3066\u3001\u6b21\u306bDUPLX\u3067\u5168\u4e8c\u91cd\u304b\u3092\u78ba\u8a8d\u3057\u3001\u901f\u5ea6\u306b\u554f\u984c\u304c\u3042\u308a\u305d\u3046\u306a\u3089SPEED\u3067\u5f53\u305f\u308a\u3092\u3064\u3051\u308b\u3001\u3068\u3044\u3046\u9806\u306b\u8aad\u3080\u3068\u52b9\u7387\u7684\u3067\u3059\u3002\u306a\u304a\u3001\u6a5f\u7a2e\u306b\u3088\u3063\u3066\u306f\u30e2\u30fc\u30c9\u30dc\u30bf\u30f3\u3092\u9577\u62bc\u3057\uff08\u7d0410\u79d2\u4ee5\u4e0a\uff09\u3059\u308b\u3068\u3001\u5de5\u5834\u51fa\u8377\u72b6\u614b\u3078\u521d\u671f\u5316\u304c\u8d70\u308b\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u3046\u3063\u304b\u308a\u9577\u62bc\u3057\u3057\u3066\u8a2d\u5b9a\u304c\u6d88\u3048\u305f\u3001\u3068\u3044\u3046\u4e8b\u6545\u306f\u73fe\u5834\u3042\u308b\u3042\u308b\u306a\u306e\u3067\u3001\u62bc\u3057\u3063\u3071\u306a\u3057\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u624b\u5143\u3092\u898b\u3066\u64cd\u4f5c\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u521d\u671f\u8d77\u52d5\u6642\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u8868\u793a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u5834\u51fa\u8377\u6642\uff08\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\u306eCatalyst 2960\/3560\/3750\u7cfb\u3067\u306f\u3001\u8d77\u52d5\u5b8c\u4e86\u5f8c\u306b\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30e2\u30fc\u30c9\u3092\u958b\u59cb\u3059\u308b\u304b\u3069\u3046\u304b\u306e\u554f\u3044\u304b\u3051\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u6388\u696d\u3084\u691c\u8a3c\u3067\u81ea\u5206\u306e\u624b\u3067\u57fa\u672c\u8a2d\u5b9a\u3092\u5165\u308c\u305f\u3044\u3068\u304d\u306f \u201cno\u201d \u3092\u9078\u3073\u3001\u901a\u5e38\u306eCLI\u306b\u5165\u308b\u306e\u304c\u30bb\u30aa\u30ea\u30fc\u3067\u3059\u3002\u9006\u306b\u3001\u77ed\u6642\u9593\u3067\u6700\u5c0f\u69cb\u6210\u3092\u4f5c\u308a\u305f\u3044\u5834\u5408\u306e\u307f\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30e2\u30fc\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002\u30eb\u30fc\u30bf\u540c\u69d8\u3001\u4e0d\u8981\u306a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u8a2d\u5b9a\u304c\u6700\u521d\u304b\u3089\u5165\u3063\u3066\u3044\u306a\u3044\u3053\u3068\u3082\u899a\u3048\u3066\u304a\u304f\u3068\u3001\u8868\u793a\u306b\u9a5a\u304b\u305a\u306b\u6e08\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8d77\u52d5\u30c8\u30e9\u30d6\u30eb\u6642\u306e\u898b\u7acb\u3066\u65b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u96fb\u6e90\u3092\u5165\u308c\u3066\u3082SYST\u304c\u6d88\u706f\u306a\u3089\u3001\u307e\u305a\u96fb\u6e90\u30b1\u30fc\u30d6\u30eb\u30fb\u30bf\u30c3\u30d7\u30fbPSU\u306e\u7269\u7406\u5c64\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002SYST\u304c\u6a59\u3067\u6b62\u307e\u308b\u5834\u5408\u306f\u3001POST\u30a8\u30e9\u30fc\u3084\u30cf\u30fc\u30c9\u4e0d\u826f\u306e\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u30ed\u30b0\u306e\u9014\u4e2d\u3067\u6b62\u307e\u3063\u3066\u3044\u306a\u3044\u304b\u3092\u8aad\u307f\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u518d\u8d77\u52d5\u3084ROMMON\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u306e\u8a3a\u65ad\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002\u30ea\u30f3\u30af\u304c\u4e0a\u304c\u3089\u306a\u3044\u3068\u304d\u306f\u3001\u30e2\u30fc\u30c9\u3092STAT\u306b\u3057\u3066\u30dd\u30fc\u30c8LED\u306e\u8272\u3092\u898b\u308b\u3068\u65e9\u3044\u5207\u308a\u5206\u3051\u304c\u53ef\u80fd\u3067\u3059\u3002\u6a59\u306a\u3089STP\u30d6\u30ed\u30c3\u30af\u3067\u3001\u30b1\u30fc\u30d6\u30eb\u5165\u308c\u66ff\u3048\u3084\u5197\u9577\u8a2d\u8a08\u306e\u610f\u56f3\u3092\u78ba\u8a8d\u3001\u6d88\u706f\u306a\u3089\u7269\u7406\u672a\u63a5\u7d9a\u3084\u7ba1\u7406\u7684shutdown\u3001\u7dd1\u70b9\u6ec5\u306a\u3089\u7269\u7406\u30fbL2\u306f\u6b63\u5e38\u3067\u4e0a\u4f4d\u306e\u8a2d\u5b9a\uff08VLAN\u3084\u30c8\u30e9\u30f3\u30af\uff09\u306b\u554f\u984c\u304c\u3042\u308b\u3001\u3068\u9806\u306b\u5f53\u305f\u308a\u3092\u3064\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1aLED\u306e\u8272\u3068\u610f\u5473\u3092\u9078\u3070\u305b\u308b\u8a2d\u554f\u3084\u3001\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30e2\u30fc\u30c9\u306e\u6271\u3044\u3092\u554f\u3046\u8a18\u8ff0\u304c\u51fa\u307e\u3059\u3002LED\u306f\u201c\u73fe\u5834\u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u201d\u3068\u3044\u3046\u611f\u899a\u3092\u6301\u3061\u3001\u8272\u3068\u72b6\u614b\u3092\u65e5\u672c\u8a9e\u3067\u8aac\u660e\u3067\u304d\u308b\u7df4\u7fd2\u3092\u3057\u3066\u304a\u304f\u3068\u3001\u30b3\u30de\u30f3\u30c9\u51fa\u529b\u304c\u306a\u3044\u554f\u984c\u3067\u3082\u5f97\u70b9\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">show version \u306e\u8aad\u307f\u89e3\u304d\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Catalyst\u30b9\u30a4\u30c3\u30c1\u3067<strong><span class=\"swl-marker mark_yellow\"> show version <\/span><\/strong>\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u88c5\u7f6e\u306e\u300c\u8eab\u5206\u8a3c\u300d\u3068\u300c\u5065\u5eb7\u72b6\u614b\u300d\u3092\u4e00\u679a\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u306f\u3069\u3053\u3092\u898b\u308c\u3070\u4f55\u304c\u5206\u304b\u308b\u306e\u304b\u3092\u3001\u753b\u9762\u306e\u4e26\u3073\u9806\u306b\u6cbf\u3063\u3066\u63b4\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u3001\u8eca\u691c\u8a3c\u306b\u3042\u305f\u308b\u30e2\u30c7\u30eb\u540d\u3084\u30b7\u30ea\u30a2\u30eb\u3001\u30a8\u30f3\u30b8\u30f3\u306b\u3042\u305f\u308bCPU\u3068\u30e1\u30e2\u30ea\u3001\u642d\u8f09OS\u306b\u3042\u305f\u308bIOS\u30a4\u30e1\u30fc\u30b8\u3068\u8d77\u52d5\u5c65\u6b74\u304c\u307e\u3068\u307e\u3063\u3066\u3044\u308b\u3001\u3068\u8003\u3048\u308b\u3068\u899a\u3048\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u306a\u8aad\u307f\u53d6\u308a\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9805\u756a\u2460\u3067\u306f\u30e2\u30c7\u30eb\u540d\u304c\u8868\u793a\u3055\u308c\u3001\u904b\u7528\u4e2d\u306e\u6a5f\u7a2e\u3092\u5373\u5ea7\u306b\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002\u2461\u306e\u30d5\u30a3\u30fc\u30c1\u30e3\u30fc\u306f\u3001\u305d\u306eIOS\u304c\u6301\u3064\u6a5f\u80fd\u306e\u5927\u307e\u304b\u306a\u7cfb\u7d71\u3092\u793a\u3057\u307e\u3059\u3002\u2462\u3067\u306fIOS\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3067\u304d\u3001\u969c\u5bb3\u5207\u308a\u5206\u3051\u3084\u4e92\u63db\u6027\u8a55\u4fa1\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002\u2463\u306eROM\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u306e\u4e16\u4ee3\u3092\u8868\u3057\u3001ROMMON\u4f5c\u696d\u306e\u5fc5\u8981\u6027\u3092\u5224\u65ad\u3059\u308b\u6750\u6599\u306b\u306a\u308a\u307e\u3059\u3002\u2464\u306f\u30a2\u30c3\u30d7\u30bf\u30a4\u30e0\u3067\u3001\u8a08\u753b\u518d\u8d77\u52d5\u3084\u4e88\u671f\u305b\u306c\u30ea\u30ed\u30fc\u30c9\u306e\u6709\u7121\u3092\u8aad\u307f\u89e3\u304f\u8d77\u70b9\u3067\u3059\u3002\u2465\u3067\u306f\u5b9f\u969b\u306b\u8d77\u52d5\u306b\u4f7f\u308f\u308c\u305fIOS\u30a4\u30e1\u30fc\u30b8\u3068\u683c\u7d0d\u5834\u6240\uff08\u591a\u304f\u306f flash:\uff09\u304c\u5206\u304b\u308a\u3001\u30a4\u30e1\u30fc\u30b8\u540d\u306e\u8aad\u307f\u89e3\u304d\u3067\u6a5f\u80fd\u30d6\u30e9\u30f3\u30c1\u3082\u628a\u63e1\u3067\u304d\u307e\u3059\u3002\u2466\u306eCPU\u3001\u2467\u306eDRAM\u30b5\u30a4\u30ba\u306f\u6027\u80fd\u76ee\u5b89\u3067\u3001\u4f59\u529b\u306e\u898b\u7a4d\u3082\u308a\u3084\u6a5f\u80fd\u6709\u52b9\u5316\u306e\u53ef\u5426\u5224\u65ad\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u2468\u306e\u30b7\u30ea\u30a2\u30ebID\u306f\u4fdd\u5b88\u5951\u7d04\u3084RMA\u3067\u5fc5\u9808\u306e\u8b58\u5225\u5b50\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d9a\u304d\u306e\u2469\u306f\u4f5c\u6210\u6e08\u307fVLAN\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08SVI\uff09\u306e\u6570\u3067\u3001\u521d\u671f\u72b6\u614b\u3067\u306f1\u3064\u304c\u6a19\u6e96\u3067\u3059\u3002\u246a\u306f\u7269\u7406\u30dd\u30fc\u30c8\u306e\u30bf\u30a4\u30d7\u3068\u6570\u3092\u793a\u3057\u3001\u4eca\u56de\u306e\u4f8b\u3067\u306fFastEthernet\u00d78\u3001GigabitEthernet\u00d71\u304c\u8f09\u3063\u3066\u3044\u307e\u3059\u3002\u246b\u306f\u8a73\u7d30\u306a\u578b\u756a\u3001\u246c\u306f\u30b3\u30f3\u30d5\u30a3\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30ec\u30b8\u30b9\u30bf\u5024\u3067\u3001\u8d77\u52d5\u65b9\u91dd\uff08\u305f\u3068\u3048\u3070\u300c\u3069\u3053\u304b\u3089IOS\u3092\u8aad\u3080\u304b\u300d\uff09\u306e\u65e2\u5b9a\u5024\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u30c8\u30e9\u30d6\u30eb\u6642\u306f\u307e\u305a\u2462\u306eIOS\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u2464\u306e\u30a2\u30c3\u30d7\u30bf\u30a4\u30e0\u3001\u2465\u306e\u300cSystem image file is\u300d\u306e\u4e09\u70b9\u3092\u7d20\u65e9\u304f\u78ba\u8a8d\u3057\u307e\u3059\u3002\u8a66\u9a13\u3067\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u306e\u4fdd\u5b58\u5834\u6240\uff08flash:\uff09\u3068\u30d5\u30a1\u30a4\u30eb\u540d\u304b\u3089\u201c\u3069\u306e\u6a5f\u80fd\u7cfb\u304b\u201d\u3092\u8a00\u3044\u5f53\u3066\u308b\u554f\u984c\u304c\u51fa\u3084\u3059\u3044\u3053\u3068\u3082\u610f\u8b58\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1aIOS\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u8868\u8a18\u306e\u8aad\u307f\u65b9\uff08\u30e1\u30b8\u30e3\u30fc\/\u30de\u30a4\u30ca\u30fc\/\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\uff09\u3001\u30b3\u30f3\u30d5\u30a3\u30b0\u30ec\u30b8\u30b9\u30bf\u306e\u5f79\u5272\u3001\u30a2\u30c3\u30d7\u30bf\u30a4\u30e0\u306e\u5358\u4f4d\u8aad\u307f\u66ff\u3048\u3001VLAN\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u6570\u3068\u7269\u7406\u30dd\u30fc\u30c8\u7a2e\u5225\u306e\u533a\u5225\u306f\u983b\u51fa\u3067\u3059\u3002\u7279\u306b\u300cSystem image file is \u2026\u300d\u3068\u300c\u8d77\u52d5\u306b\u4f7f\u3063\u305f\u5834\u6240\u300d\u3092\u7d50\u3073\u4ed8\u3051\u3089\u308c\u308b\u304b\u304c\u5f97\u70b9\u5dee\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">show run<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">show run<\/span><\/strong> \u306f\u3044\u307e\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u8a2d\u5b9a\u306e\u5168\u6587\u3067\u3059\u3002\u6700\u521d\u306b\u753b\u9762\u5148\u982d\u306e\u300c\u73fe\u5728\u306e\u8a2d\u5b9a\u3092\u8868\u793a\u4e2d\u300d\u30e1\u30c3\u30bb\u30fc\u30b8\uff08\u2460\uff09\u3068\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\uff08\u2461\uff09\u3067\u51fa\u529b\u5168\u4f53\u306e\u76ee\u5b89\u3092\u3064\u304b\u307f\u3001\u2462\u3067IOS\u60c5\u5831\u3092\u6539\u3081\u3066\u7167\u5408\u3057\u307e\u3059\u3002\u2463\u4ee5\u964d\u304c\u5b9f\u969b\u306e\u8a2d\u5b9a\u3067\u3001\u30ed\u30b0\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u4ed8\u4e0e\u8a2d\u5b9a\u306a\u3069\u3001\u904b\u7528\u30ed\u30b0\u306e\u8aad\u307f\u3084\u3059\u3055\u306b\u76f4\u7d50\u3059\u308b\u9805\u76ee\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2464\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u6271\u3044\u306b\u95a2\u3059\u308b\u65b9\u91dd\u3067\u3059\u3002<code>no service password-encryption<\/code> \u306e\u307e\u307e\u3060\u3068\u5e73\u6587\u4fdd\u5b58\u3001<code>service password-encryption<\/code> \u3067\u7c21\u6613\u6697\u53f7\u5316\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u306f\u5fc5\u305a\u899a\u3048\u308b\u3002<strong>\u7ba1\u7406\u8005\u6a29\u9650\u306e\u4fdd\u8b77\u306f <code>enable secret<\/code> \u3092\u4f7f\u3046\u306e\u304c\u672c\u5247<\/strong>\u3067\u3001<code>enable password<\/code> \u3088\u308a\u5f37\u56fa\u3067\u3059\u3002\u8a66\u9a13\u3067\u306f\u3001<code>service password-encryption<\/code> \u306e\u6697\u53f7\u304c\u5f37\u56fa\u3067\u306f\u306a\u3044\u70b9\u3082\u5408\u308f\u305b\u3066\u554f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2465\u306f\u30db\u30b9\u30c8\u540d\u3067\u3001Catalyst\u306f\u65e2\u5b9a\u3067 <code>Switch<\/code> \u304c\u5165\u3063\u3066\u3044\u307e\u3059\u3002\u2466\u306f\u300cboot\u5b9a\u7fa9\u306e\u30de\u30fc\u30ab\u30fc\u300d\u3067\u3001Catalyst\u3067\u306f\u30eb\u30fc\u30bf\u3068\u7570\u306a\u308a <code>boot system<\/code> \u306e\u4e2d\u8eab\u304c\u3053\u3053\u306b\u5217\u6319\u3055\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u898b\u3048\u3066\u3044\u306a\u304f\u3066\u3082\u300c\u5b9a\u7fa9\u306e\u7bc4\u56f2\u304c\u3053\u3053\u300d\u3068\u3044\u3046\u5370\u3068\u3057\u3066\u7406\u89e3\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u2467\u306fAAA\u306e\u6709\u52b9\u5316\u306e\u6709\u7121\u3067\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306f\u7121\u52b9\uff08<code>no aaa new-model<\/code>\uff09\u3067\u3059\u3002\u2468\u306e Express Setup \u306f\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u308b\u521d\u671f\u69cb\u6210\u6a5f\u80fd\u3067\u3001\u8aa4\u64cd\u4f5c\u9632\u6b62\u306e\u89b3\u70b9\u304b\u3089 <code>no setup express<\/code> \u306b\u3057\u3066\u9577\u62bc\u3057\u521d\u671f\u5316\u3092\u7121\u52b9\u5316\u3059\u308b\u306e\u304c\u63a8\u5968\u3067\u3059\u3002\u610f\u56f3\u305b\u305a\u8a2d\u5b9a\u304c\u6d88\u3048\u308b\u4e8b\u6545\u3092\u9632\u3052\u307e\u3059\u3002\u2469\u306f\u30b9\u30d1\u30cb\u30f3\u30b0\u30c4\u30ea\u30fc\u306e\u30e2\u30fc\u30c9\u3067\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306f pvst \u306e\u4e16\u4ee3\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u246a\u3068\u246b\u306f\u7269\u7406\u30dd\u30fc\u30c8\u3068VLAN\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08SVI\uff09\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u521d\u671f\u72b6\u614b\u3067\u306f\u3069\u3061\u3089\u3082\u672a\u8a2d\u5b9a\u3067\u3001\u5358\u4f53\u3067\u3082L2\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u306f\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u7ba1\u7406\u30a2\u30af\u30bb\u30b9\u7528\u306eIP\u304c\u7121\u3044\u306e\u3067\u30ea\u30e2\u30fc\u30c8\u7ba1\u7406\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u246c\u3068\u246d\u306fHTTP\/HTTPS\u30b5\u30fc\u30d0\u6a5f\u80fd\u306e\u7121\u52b9\u5316\u8a2d\u5b9a\u3067\u3001GUI\u7ba1\u7406\u3092\u4f7f\u3046\u5834\u5408\u306e\u307f\u6709\u52b9\u5316\u3057\u307e\u3059\u3002\u246e\u306e line console\u3001\u246f\u306e line vty \u306f\u30ed\u30b0\u30a4\u30f3\u7d4c\u8def\u306e\u8a2d\u5b9a\u3067\u3001\u672a\u8a2d\u5b9a\u306e\u307e\u307e\u3060\u3068VTY\u304b\u3089\u306f\u8a8d\u8a3c\u306a\u3057\u3067\u306f\u5165\u308c\u307e\u305b\u3093\uff08\u305d\u3082\u305d\u3082\u6709\u52b9\u5316\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u5fc5\u8981\uff09\u3002\u2470\u306f\u8a2d\u5b9a\u672b\u5c3e\u306e\u7d42\u7aef\u3092\u793a\u3059\u5370\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u4f4e\u9650\u306e\u201c\u7ba1\u7406\u3067\u304d\u308b\u72b6\u614b\u201d\u306b\u3059\u308b\u521d\u671f\u8a2d\u5b9a\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u5834\u51fa\u8377\u72b6\u614b\u306e\u307e\u307e\u3060\u3068\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u89e6\u308c\u306a\u3044\u305f\u3081\u3001\u307e\u305a\u306f\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08SVI\uff09\u3068\u57fa\u672c\u4fdd\u8b77\u3092\u5165\u308c\u3066\u304a\u304d\u307e\u3059\u3002\u6587\u7ae0\u306e\u6d41\u308c\u3067\u8aad\u307f\u9032\u3081\u3089\u308c\u308b\u3088\u3046\u3001\u8a2d\u5b9a\u306f\u3072\u3068\u606f\u3067\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>configure terminal\nhostname SW-1\nenable secret &lt;\u5f37\u56fa\u306a\u30d1\u30b9\u30ef\u30fc\u30c9>\nservice password-encryption\nvlan 10\nname MANAGEMENT\ninterface vlan 10\n ip address 192.168.10.2 255.255.255.0\n no shutdown\ninterface gigabitEthernet0\/1\n switchport mode access\n switchport access vlan 10\nip default-gateway 192.168.10.1\nno ip http server\nno ip http secure-server\nline console 0\n login\n password &lt;\u4efb\u610f>\nline vty 0 4\n login\n password &lt;\u4efb\u610f>\n transport input ssh\nip domain-name example.local\ncrypto key generate rsa modulus 2048\nend\nwrite memory<\/code><\/pre>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<strong>\u7ba1\u7406SVI\u306eIP\uff0b<code>ip default-gateway<\/code>\uff0bVTY\u306e\u8a8d\u8a3c<\/strong>\u306e\u4e09\u70b9\u3092\u5165\u308c\u306a\u3044\u3068\u3001\u30ea\u30e2\u30fc\u30c8\u7ba1\u7406\u306b\u5165\u308c\u307e\u305b\u3093\u3002SSH\u3092\u8a31\u53ef\u3059\u308b\u306b\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3068RSA\u9375\u751f\u6210\u304c\u5fc5\u8981\u3001\u3068\u3044\u3046\u95a2\u9023\u3082\u30bb\u30c3\u30c8\u3067\u8a18\u61b6\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<code>enable secret<\/code> \u3068 <code>enable password<\/code> \u306e\u9055\u3044\u3001<code>service password-encryption<\/code> \u306e\u610f\u5473\u3001<code>ip default-gateway<\/code> \u304cL2\u30b9\u30a4\u30c3\u30c1\u3067\u5fc5\u8981\u306b\u306a\u308b\u5834\u9762\u3001Express Setup \u306e\u7121\u52b9\u5316\u610f\u56f3\u3001<code>boot<\/code> \u30de\u30fc\u30ab\u30fc\u306e\u6271\u3044\u3001<code>spanning-tree mode<\/code> \u306e\u65e2\u5b9a\u5024\u306a\u3069\u3001\u7d30\u90e8\u306e\u7528\u8a9e\u3092\u6b63\u3057\u304f\u8aac\u660e\u3067\u304d\u308b\u304b\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u51fa\u529b\u306e\u4e00\u90e8\u3060\u3051\u3092\u898b\u305b\u3089\u308c\u3066\u3082\u3001\u300c\u3053\u308c\u306f\u3069\u306e\u8a2d\u5b9a\u306e\u3069\u3053\u3092\u793a\u3057\u3066\u3044\u308b\u304b\u300d\u3092\u8a00\u8449\u3067\u8a00\u3044\u5f53\u3066\u3089\u308c\u308b\u3088\u3046\u3001\u753b\u9762\u4f4d\u7f6e\u3068\u610f\u5473\u3092\u7d50\u3073\u4ed8\u3051\u3066\u7df4\u7fd2\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">show interfaces<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">show interfaces<\/span><\/strong> \u306f\u3001\u30dd\u30fc\u30c8\u3054\u3068\u306e\u300c\u5065\u5eb7\u8a3a\u65ad\u30ab\u30eb\u30c6\u300d\u3067\u3059\u3002\u7269\u7406\u72b6\u614b\u3001L2\/L3\u306e\u72b6\u614b\u3001\u901f\u5ea6\u30fb\u4e8c\u91cd\u5316\u3001\u30a8\u30e9\u30fc\u7d71\u8a08\u307e\u3067\u4e00\u679a\u3067\u5206\u304b\u308a\u307e\u3059\u3002\u6700\u521d\u304b\u3089\u5168\u90e8\u3092\u6697\u8a18\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305a\u306f\u201c\u4eca\u6c17\u306b\u306a\u308b\u75c7\u72b6\u201d\u306b\u95a2\u4fc2\u3059\u308b\u884c\u3060\u3051\u3092\u8aad\u307f\u53d6\u308a\u3001\u7d4c\u9a13\u3092\u91cd\u306d\u3066\u7bc4\u56f2\u3092\u5e83\u3052\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u30eb\u30fc\u30bf\u3068\u898b\u3048\u65b9\u306f\u307b\u307c\u540c\u3058\u306a\u306e\u3067\u3001\u5b66\u3073\u65b9\u3082\u5171\u901a\u3067\u9032\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u305a\u306f\u201c\u7279\u5b9a\u30dd\u30fc\u30c8\u3060\u3051\u201d\u3092\u78ba\u8a8d\u3059\u308b\u7656<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Catalyst\u306f\u30dd\u30fc\u30c8\u6570\u304c\u591a\u3044\u306e\u3067\u3001\u7121\u6307\u5b9a\u306e <code>show interfaces<\/code> \u306f\u60c5\u5831\u91cf\u304c\u591a\u3059\u304e\u307e\u3059\u3002\u6700\u521d\u306f\u5fc5\u305a\u30dd\u30fc\u30c8\u3092\u6307\u5b9a\u3057\u3066\u7d5e\u308a\u8fbc\u307f\u307e\u3059\u3002\u305f\u3068\u3048\u3070 FastEthernet0\/1 \u3092\u898b\u308b\u306a\u3089 <code>show interfaces fastEthernet 0\/1<\/code>\u3001GigabitEthernet0\/1 \u306a\u3089 <code>show interfaces gigabitEthernet 0\/1<\/code> \u3068\u5165\u529b\u3057\u307e\u3059\u3002\u6c17\u306b\u306a\u308b\u30dd\u30fc\u30c8\u3092\u4e00\u70b9\u96c6\u4e2d\u3067\u78ba\u8a8d\u3057\u3001\u6b21\u306b\u96a3\u63a5\u30dd\u30fc\u30c8\u3084\u4e0a\u4f4d\u63a5\u7d9a\u3078\u3068\u7bc4\u56f2\u3092\u5e83\u3052\u308b\u3068\u3001\u539f\u56e0\u306b\u4e00\u76f4\u7dda\u3067\u8fd1\u3065\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<strong>\u7269\u7406IF\u306e\u5148\u982d\u884c\u300cup\/down\u300d\u8868\u8a18\u306f\u3001\u300c\u5de6\u304c\u7269\u7406\u5c64\uff08carrier\uff09\u300d\u300c\u53f3\u304c\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\uff08line protocol\uff09\u300d<\/strong> \u3092\u793a\u3057\u307e\u3059\u3002\u5de6\u304cdown\u306a\u3089\u30b1\u30fc\u30d6\u30eb\/\u5149\/\u76f8\u624b\u6a5f\u5668\u3001\u53f3\u304cdown\u306a\u3089VLAN\u3084\u30cd\u30b4\u4e0d\u4e00\u81f4\u306a\u3069L2\u8a2d\u5b9a\u306e\u7591\u3044\u304c\u5f37\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08SVI\uff09\u3092\u8aad\u3080\u30b3\u30c4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L2\u30b9\u30a4\u30c3\u30c1\u306f\u3001\u7ba1\u7406\u7528\u306bSVI\uff08\u4f8b\uff1a<code>interface vlan 1<\/code>\uff09\u3078IP\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002SVI\u306e\u5148\u982d\u884c\u306f\u3001\u7269\u7406IF\u3068\u306f\u201c\u5224\u5b9a\u306e\u610f\u5473\u201d\u304c\u9055\u3046\u70b9\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<code>show interfaces vlan 1<\/code> \u306e\u5148\u982d\u884c\u3067\u8aad\u307f\u53d6\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u3001\u521d\u5fc3\u8005\u5411\u3051\u306b\u8a00\u3044\u63db\u3048\u3066\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u8868\u793a\u4f8b\uff08Vlan X is \u2026 \/ line protocol is \u2026\uff09<\/th><th>\u73fe\u5834\u3067\u306e\u610f\u5473\u3065\u3051<\/th><\/tr><\/thead><tbody><tr><td>administratively down \/ down<\/td><td><code>shutdown<\/code> \u4e2d\u3067\u3059\u3002<code>no shutdown<\/code> \u3067\u6709\u52b9\u5316\u3057\u307e\u3059\u3002<\/td><\/tr><tr><td>down \/ down<\/td><td>\u305d\u306eVLAN\u81ea\u4f53\u304c\u30b9\u30a4\u30c3\u30c1\u306b\u5b58\u5728\u3057\u307e\u305b\u3093\u3002<code>vlan X<\/code> \u3092\u4f5c\u308b\u3001\u3082\u3057\u304f\u306fVTP\u306e\u540c\u671f\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/td><\/tr><tr><td>up \/ down<\/td><td>\u305d\u306eVLAN\u306b\u5c5e\u3059\u308b<strong>\u3044\u305a\u308c\u306e\u30dd\u30fc\u30c8\u3082\u30ea\u30f3\u30af\u30a2\u30c3\u30d7\u3057\u3066\u3044\u306a\u3044<\/strong>\u72b6\u614b\u3067\u3059\u3002\u5c11\u306a\u304f\u3068\u30821\u30dd\u30fc\u30c8\u3092Up\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/td><\/tr><tr><td>up \/ up<\/td><td>\u6b63\u5e38\u3002\u7ba1\u7406IP\u3078\u306eping\u304c\u901a\u308b\u524d\u63d0\u304c\u6574\u3063\u3066\u3044\u307e\u3059\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<strong>SVI\u304c up\/up \u306b\u306a\u308b\u6761\u4ef6\uff1d\u300c\u8a72\u5f53VLAN\u306b\u5c5e\u3059\u308b\u30dd\u30fc\u30c8\u306e\u3044\u305a\u308c\u304b\u304c\u30ea\u30f3\u30af\u30a2\u30c3\u30d7\u300d<\/strong> \u3067\u3059\u3002\u7269\u7406IF\u306e up\/down \u3068\u306f\u201c\u8aad\u307f\u65b9\u306e\u8ef8\u201d\u304c\u9055\u3046\u306e\u3067\u3001\u8a66\u9a13\u3067\u3082\u3088\u304f\u5f15\u3063\u304b\u3051\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ee3\u8868\u7684\u306a\u7d71\u8a08\u5024\u306e\u8aad\u307f\u65b9\uff08\u6700\u521d\u306b\u898b\u308b\u306e\u306f\u3053\u3053\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>show interfaces<\/code> \u306e\u9577\u3044\u51fa\u529b\u306e\u3046\u3061\u3001\u30c8\u30e9\u30d6\u30eb\u521d\u52d5\u3067\u52b9\u304f\u201c\u8981\u70b9\u201d\u3092\u62bc\u3055\u3048\u307e\u3059\u3002<br>\u885d\u7a81\u306f\u672c\u6765\u534a\u4e8c\u91cd\u3067\u306e\u307f\u767a\u751f\u3057\u307e\u3059\u3002\u5168\u4e8c\u91cd\u3067 <code>collisions<\/code> \u304c\u5897\u3048\u308b\u3068\u304d\u306f\u8a2d\u5b9a\u4e0d\u4e00\u81f4\u306e\u7591\u3044\u304c\u6fc3\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>input errors \/ CRC<\/strong>\uff1a\u53d7\u4fe1\u5074\u3067\u306e\u30d5\u30ec\u30fc\u30e0\u58ca\u308c\u3002\u914d\u7dda\u4e0d\u826f\u3001\u30b3\u30cd\u30af\u30bf\u4e0d\u826f\u3001\u904e\u5ea6\u306e\u5e72\u6e09\u3001\u901f\u5ea6\/\u4e8c\u91cd\u5316\u4e0d\u4e00\u81f4\u3067\u5897\u3048\u3084\u3059\u3044<\/li>\n\n\n\n<li><strong>frame<\/strong>\uff1a\u4e0d\u6b63\u306a\u30d5\u30ec\u30fc\u30e0\u9577\u3084\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u4e0d\u826f\u3002\u3084\u306f\u308a\u7269\u7406\u5c64\u3084\u4e8c\u91cd\u5316\u4e0d\u4e00\u81f4\u3092\u7591\u3046<\/li>\n\n\n\n<li><strong>output errors<\/strong>\uff1a\u9001\u4fe1\u5931\u6557\u306e\u7dcf\u79f0\u3002\u30d0\u30c3\u30d5\u30a1\u4e0d\u8db3\u3084\u30ad\u30e5\u30fc\u6ea2\u308c\u3001\u96a3\u63a5\u6a5f\u306e\u554f\u984c\u3082\u8996\u91ce\u306b<\/li>\n\n\n\n<li><strong>input queue drops \/ output queue drops<\/strong>\uff1a\u6df7\u96d1\u3067\u53d6\u308a\u3053\u307c\u3057\u3002QoS\u3084\u5e2f\u57df\u8a2d\u8a08\u306e\u898b\u76f4\u3057\u30dd\u30a4\u30f3\u30c8<\/li>\n\n\n\n<li><strong>collisions \/ late collisions<\/strong>\uff1a\u534a\u4e8c\u91cd\u6642\u306e\u885d\u7a81\u3002\u5168\u4e8c\u91cd\u3067\u51fa\u308b\u306a\u3089\u201cduplex\u306e\u4e0d\u4e00\u81f4\u201d\u3092\u6700\u512a\u5148\u3067\u70b9\u691c<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<strong>CRC\u5897\u52a0\uff1d\u7269\u7406\u304b\u4e8c\u91cd\u5316\u4e0d\u4e00\u81f4<\/strong>\u3001<strong>late collision\uff1d\u30b1\u30fc\u30d6\u30eb\u9577\/\u534a\u4e8c\u91cd<\/strong> \u306e\u8aad\u307f\u66ff\u3048\u304c\u3067\u304d\u308b\u304b\u304c\u5dee\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">show interfaces status \u3067\u201c\u3044\u307e\u201d\u3092\u4fef\u77b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">show interfaces status<\/span><\/strong> \u306f\u3001\u5404\u30dd\u30fc\u30c8\u306e\u300c\u63a5\u7d9a\u72b6\u614b\u30fbVLAN\u30fbduplex\u30fbspeed\u30fb\u30bf\u30a4\u30d7\u300d\u3092\u4e00\u89a7\u8868\u793a\u3057\u307e\u3059\u3002\u591a\u30dd\u30fc\u30c8\u88c5\u7f6e\u3067\u306e\u4e00\u6b21\u30b9\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u306b\u6700\u9069\u3067\u3059\u3002\u753b\u9762\u306e\u8aad\u307f\u65b9\u3092\u3001\u904b\u7528\u306e\u8996\u70b9\u3067\u77ed\u304f\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Port \/ Name<\/strong>\uff1a\u914d\u7dda\u8868\u3068\u7a81\u304d\u5408\u308f\u305b\u3066\u3001\u3069\u306e\u6a5f\u5668\u306b\u5411\u3044\u3066\u3044\u308b\u304b\u3092\u5373\u78ba\u8a8d<\/li>\n\n\n\n<li><strong>Status<\/strong>\uff1a<code>connected<\/code> \u306f\u30ea\u30f3\u30af\u6709\u3001<code>notconnect<\/code> \u306f\u672a\u63a5\u7d9a\u3084\u30ea\u30f3\u30af\u30c0\u30a6\u30f3\u3001<code>disabled<\/code> \u306f\u7ba1\u7406\u7684 shutdown\u3001<code>err-disabled<\/code> \u306f\u4fdd\u8b77\u6a5f\u69cb\u3067\u906e\u65ad\uff08Port-Security\u3001BPDU Guard\u3001UDLD \u306a\u3069\u304c\u4ee3\u8868\u4f8b\uff09<\/li>\n\n\n\n<li><strong>Vlan<\/strong>\uff1a<code>trunk<\/code> \u306a\u3089\u30bf\u30b0\u4e2d\u7d99\u3001\u6570\u5024\u306a\u3089\u30a2\u30af\u30bb\u30b9\u30dd\u30fc\u30c8\u306eVLAN\u3002\u610f\u56f3\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d<\/li>\n\n\n\n<li><strong>Duplex \/ Speed<\/strong>\uff1a<code>a-full \/ a-1000<\/code> \u306a\u3069\u306e \u201ca-\u201d \u306f\u30aa\u30fc\u30c8\u3067\u6c7a\u307e\u3063\u305f\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u76f8\u624b\u304c\u56fa\u5b9a\u8a2d\u5b9a\u306a\u3089\u3053\u3061\u3089\u3082\u56fa\u5b9a\u3067\u5408\u308f\u305b\u308b\u306e\u304c\u539f\u5247<\/li>\n\n\n\n<li><strong>Type<\/strong>\uff1a\u30dd\u30fc\u30c8\u7a2e\u5225\u3084\u30e1\u30c7\u30a3\u30a2\u306e\u76ee\u5b89\uff08\u4f8b\uff1a10\/100\/1000-TX\u3001SFP\u7a2e\u5225\u306a\u3069\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u5834\u3067\u5f79\u7acb\u3064\u898b\u7acb\u3066\u306e\u30b3\u30c4\u3068\u3057\u3066\u3001<code>err-disabled<\/code> \u3092\u898b\u3064\u3051\u305f\u3089 <code>show interface status err-disabled<\/code> \u3084 <code>show errdisable recovery<\/code>\u3001<code>show logging<\/code> \u3067\u7406\u7531\u3092\u7279\u5b9a\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8a2d\u5b9a\u3092\u662f\u6b63\u3057\u3066\u304b\u3089 <code>shutdown \/ no shutdown<\/code> \u3067\u5fa9\u5e30\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<strong>\u201cStatus\uff1derr-disabled\u201d\u306f\u8a2d\u5b9a\u304b\u4fdd\u8b77\u6a5f\u69cb\u304c\u539f\u56e0\u3001\u7269\u7406\u65ad\u3067\u306f\u306a\u3044\u3002<\/strong> \u201cnotconnect\u201d \u306f\u7269\u7406\u5c64\u30fb\u914d\u7dda\u30fb\u76f8\u624b\u6a5f\u5668\u96fb\u6e90\u306a\u3069\u7269\u7406\u7684\u8981\u56e0\u306e\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3001\u3068\u3044\u3046\u5207\u308a\u5206\u3051\u306e\u7b2c\u4e00\u6b69\u3092\u7fd2\u6163\u5316\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u8df5\u30c1\u30a7\u30c3\u30af<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ba1\u7406SVI\u3092\u5909\u3048\u305f\u5834\u5408\u306f\u3001<code>show interfaces vlan &lt;VLAN\u756a\u53f7&gt;<\/code> \u3067\u5148\u982d\u884c\u3092\u78ba\u8a8d\u3057\u3001\u3042\u308f\u305b\u3066 <code>show ip interface brief<\/code> \u3067IP\u3068Up\/Down\u3092\u4e00\u89a7\u3057\u307e\u3059\u3002SVI\u304c down\/down \u306e\u3068\u304d\u306f\u300cVLAN\u672a\u4f5c\u6210\u300d\u3001up\/down \u306e\u3068\u304d\u306f\u300cVLAN\u306f\u3042\u308b\u304c<strong>\u30ea\u30f3\u30af\u30a2\u30c3\u30d7\u4e2d\u306e\u30e1\u30f3\u30d0\u30dd\u30fc\u30c8\u304c\u7121\u3044<\/strong>\u300d\u304c\u5408\u8a00\u8449\u3067\u3059\u3002\u6700\u5f8c\u306b <code>ip default-gateway<\/code> \u306e\u8a2d\u5b9a\u5fd8\u308c\u304c\u306a\u3044\u304b\u3082\u4e00\u7dd2\u306b\u70b9\u691c\u3057\u307e\u3059\uff08L2\u30b9\u30a4\u30c3\u30c1\u3067\u306e\u30ea\u30e2\u30fc\u30c8\u7ba1\u7406\u306b\u5fc5\u9808\u3067\u3059\uff09\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<strong>\u7269\u7406IF\u3068SVI\u3067\u201cup\/down\u306e\u610f\u5473\u304c\u9055\u3046\u201d<\/strong>\u3001<strong><code>show interfaces status<\/code> \u306e\u5404\u5217\u306e\u89e3\u91c8<\/strong>\u3001<strong>CRC\u3084collisions\u3068\u3044\u3063\u305f\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30bf\u306e\u539f\u56e0\u63a8\u5b9a<\/strong>\u304c\u983b\u51fa\u3067\u3059\u3002\u554f\u984c\u6587\u306b\u5168\u90e8\u306f\u66f8\u3044\u3066\u304f\u308c\u307e\u305b\u3093\u3002\u51fa\u529b\u306e\u201c\u3053\u306e\u4e00\u884c\u201d\u304b\u3089\u72b6\u6cc1\u3092\u8a00\u3044\u5f53\u3066\u308b\u7df4\u7fd2\u3092\u7e70\u308a\u8fd4\u3057\u3001\u305f\u3068\u3048\u3070\u300c<code>err-disabled<\/code> \u306a\u3089 Port-Security\u3084BPDU Guard\u3092\u7591\u3044\u3001<code>show logging<\/code> \u3067\u78ba\u304b\u3081\u308b\u300d\u3068\u3044\u3063\u305f\u201c\u6b21\u306e\u4e00\u624b\u201d\u307e\u3067\u53e3\u306b\u51fa\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u307e\u3068\u3081\u30b9\u30e9\u30a4\u30c9<\/h2>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/03\/Catalyst\u30b9\u30a4\u30c3\u30c1\uff08\u57fa\u790e\uff09.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Catalyst\u30b9\u30a4\u30c3\u30c1\uff08\u57fa\u790e\uff09\u306e\u57cb\u3081\u8fbc\u307f\u3002\"><\/object><a id=\"wp-block-file--media-227b58d4-6f20-4321-ba78-914f6fc881f9\" href=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/03\/Catalyst\u30b9\u30a4\u30c3\u30c1\uff08\u57fa\u790e\uff09.pdf\">Catalyst\u30b9\u30a4\u30c3\u30c1\uff08\u57fa\u790e\uff09<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Catalyst\u30b9\u30a4\u30c3\u30c1\u3068\u306f Catalyst\uff08\u30ab\u30bf\u30ea\u30b9\u30c8\uff09\u306f\u3001\u30b7\u30b9\u30b3\u793e\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u88fd\u54c1\u7fa4\u306e\u7dcf\u79f0\u3067\u3059\u3002\u30e1\u30fc\u30ab\u30fc\u3054\u3068\u306b\u30b7\u30ea\u30fc\u30ba\u540d\u304c\u7570\u306a\u308b\u306e\u3068\u540c\u3058\u3067\u3001\u30a2\u30e9\u30a4\u30c9\u30c6\u30ec\u30b7\u30b9\u306f\u300cCentreCOM\u300d\u3001APRESIA\u306f\u300cAP [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[12],"tags":[],"class_list":["post-253","post","type-post","status-publish","format-standard","hentry","category-network-access"],"_links":{"self":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=253"}],"version-history":[{"count":3,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/253\/revisions"}],"predecessor-version":[{"id":622,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/253\/revisions\/622"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}