{"id":477048,"date":"2023-08-09T09:06:26","date_gmt":"2023-08-09T09:06:26","guid":{"rendered":""},"modified":"2023-09-05T11:13:55","modified_gmt":"2023-09-05T11:13:55","slug":"eigrp","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/eigrp\/","title":{"rendered":"EIGRP"},"content":{"rendered":"<p>\u62e1\u5f35\u5185\u90e8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30d7\u30ed\u30c8\u30b3\u30eb (EIGRP) \u306f\u3001\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u30eb\u30fc\u30bf\u9593\u3067\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8\u3092\u52b9\u7387\u7684\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u4f7f\u7528\u3055\u308c\u308b\u3001\u52d5\u7684\u306a\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u30b7\u30b9\u30b3 \u30b7\u30b9\u30c6\u30e0\u30ba\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f EIGRP \u306f\u3001\u9ad8\u901f\u30b3\u30f3\u30d0\u30fc\u30b8\u30a7\u30f3\u30b9\u3001\u8ca0\u8377\u5206\u6563\u3001\u304a\u3088\u3073\u30eb\u30fc\u30d7\u306e\u306a\u3044\u30d1\u30b9\u9078\u629e\u3092\u63d0\u4f9b\u3059\u308b\u9ad8\u5ea6\u3067\u6d17\u7df4\u3055\u308c\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u81ea\u5f8b\u30b7\u30b9\u30c6\u30e0 (AS) \u5185\u3067\u306e\u4f7f\u7528\u306b\u7279\u5316\u3057\u3066\u8a2d\u8a08\u3055\u308c\u305f\u5185\u90e8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 \u30d7\u30ed\u30c8\u30b3\u30eb (IGP) \u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>EIGRP \u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>EIGRP \u306f\u30011992 \u5e74\u306b\u30b7\u30b9\u30b3\u306b\u3088\u3063\u3066\u72ec\u81ea\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066\u6700\u521d\u306b\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002EIGRP \u304c\u521d\u3081\u3066\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u30011990 \u5e74\u4ee3\u4e2d\u9803\u306e\u30b7\u30b9\u30b3\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u9061\u308a\u307e\u3059\u3002Interior Gateway Routing Protocol (IGRP) \u306e\u5f8c\u7d99\u3068\u3057\u3066\u3001EIGRP \u306f IGRP \u306e\u5236\u9650\u306b\u5bfe\u51e6\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u62e1\u5f35\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<h2>EIGRP \u306e\u8a73\u7d30\u60c5\u5831: \u30c8\u30d4\u30c3\u30af\u306e\u62e1\u5f35<\/h2>\n<p>EIGRP \u306f\u3001\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u30ea\u30f3\u30af\u72b6\u614b\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e21\u65b9\u306e\u7279\u6027\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u9ad8\u5ea6\u306a\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002\u62e1\u6563\u66f4\u65b0\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0 (DUAL) \u3092\u4f7f\u7528\u3057\u3066\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c7\u30fc\u30bf\u306b\u6700\u9069\u306a\u30d1\u30b9\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002DUAL \u306f\u3001\u5b9b\u5148\u3078\u306e\u8907\u6570\u306e\u30d1\u30b9\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u30eb\u30fc\u30d7\u306e\u306a\u3044\u30d1\u30b9\u9078\u629e\u3092\u4fdd\u8a3c\u3057\u3001\u5197\u9577\u6027\u3092\u9ad8\u3081\u307e\u3059\u3002<\/p>\n<p>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u5168\u4f53\u3092\u5b9a\u671f\u7684\u306b\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3059\u308b\u5f93\u6765\u306e\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u7570\u306a\u308a\u3001EIGRP \u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30dd\u30ed\u30b8\u306b\u5909\u66f4\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u306e\u307f\u5897\u5206\u66f4\u65b0\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u52d5\u4f5c\u306b\u3088\u308a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u524a\u6e1b\u3055\u308c\u3001\u5e2f\u57df\u5e45\u304c\u7bc0\u7d04\u3055\u308c\u308b\u305f\u3081\u3001EIGRP \u306f\u5f93\u6765\u306e\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb \u30d7\u30ed\u30c8\u30b3\u30eb\u3088\u308a\u3082\u52b9\u7387\u7684\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>EIGRP \u306f\u3001\u5e2f\u57df\u5e45\u3001\u9045\u5ef6\u3001\u4fe1\u983c\u6027\u3001\u8ca0\u8377\u3001MTU (\u6700\u5927\u4f1d\u9001\u5358\u4f4d) \u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u4f1d\u9001\u306b\u6700\u9069\u306a\u30d1\u30b9\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30e1\u30c8\u30ea\u30c3\u30af\u306b\u3088\u308a\u3001EIGRP \u306f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u72b6\u614b\u306b\u57fa\u3065\u3044\u3066\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6c7a\u5b9a\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>EIGRP \u306e\u5185\u90e8\u69cb\u9020: EIGRP \u306e\u4ed5\u7d44\u307f<\/h2>\n<p>EIGRP \u306f\u3001TCP (Transmission Control Protocol) \u3084\u3001\u305d\u308c\u307b\u3069\u4e00\u822c\u7684\u3067\u306f\u306a\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308b Reliable Transport Protocol (RTP) \u306a\u3069\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb\u4e0a\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u3053\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u306b\u3088\u308a\u3001EIGRP \u30d1\u30b1\u30c3\u30c8\u304c\u6b63\u78ba\u306b\u9806\u756a\u306b\u914d\u4fe1\u3055\u308c\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>EIGRP \u306e\u5185\u90e8\u69cb\u9020\u306e\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u8fd1\u96a3\u63a2\u7d22<\/strong>EIGRP \u30eb\u30fc\u30bf\u306f\u3001\u540c\u3058\u81ea\u5f8b\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u4ed6\u306e\u30eb\u30fc\u30bf\u3068\u30cd\u30a4\u30d0\u30fc\u95a2\u4fc2\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3001Hello \u30d1\u30b1\u30c3\u30c8\u306e\u4ea4\u63db\u3068\u30cd\u30a4\u30d0\u30fc\u96a3\u63a5\u95a2\u4fc2\u306e\u5f62\u6210\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c8\u30dd\u30ed\u30b8\u30fc\u30c6\u30fc\u30d6\u30eb<\/strong>\u5404 EIGRP \u30eb\u30fc\u30bf\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u3059\u3079\u3066\u306e\u5230\u9054\u53ef\u80fd\u306a\u5b9b\u5148\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u542b\u3080\u30c8\u30dd\u30ed\u30b8 \u30c6\u30fc\u30d6\u30eb\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306f\u3001\u5404\u5b9b\u5148\u3078\u306e\u6700\u9069\u306a\u30d1\u30b9\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u60c5\u5831\u30d9\u30fc\u30b9 (RIB)<\/strong>RIB \u306f\u3001\u30c8\u30dd\u30ed\u30b8 \u30c6\u30fc\u30d6\u30eb\u304b\u3089\u5c0e\u51fa\u3055\u308c\u305f\u5404\u5b9b\u5148\u3078\u306e\u6700\u9069\u306a\u30eb\u30fc\u30c8\u3092\u683c\u7d0d\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DUAL \u6709\u9650\u72b6\u614b\u30de\u30b7\u30f3<\/strong>: DUAL \u306f\u3001\u6700\u9069\u306a\u30d1\u30b9\u3092\u8a08\u7b97\u3057\u3001\u30eb\u30fc\u30d7\u306e\u306a\u3044\u30d1\u30b9\u3092\u7dad\u6301\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001EIGRP \u306f\u30ea\u30f3\u30af\u969c\u5bb3\u304b\u3089\u56de\u5fa9\u3057\u3001\u4ee3\u66ff\u30d1\u30b9\u3092\u8fc5\u901f\u306b\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>EIGRP \u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>EIGRP \u306f\u3001\u4ed6\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u7570\u306a\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u9ad8\u901f\u53ce\u675f<\/strong>EIGRP \u306e DUAL \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30dd\u30ed\u30b8\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u306b\u8fc5\u901f\u306a\u53ce\u675f\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u518d\u53ce\u675f\u3068\u65b0\u3057\u3044\u30eb\u30fc\u30c8\u3078\u306e\u9069\u5fdc\u306b\u304b\u304b\u308b\u6642\u9593\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b89\u5b9a\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>EIGRP \u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8907\u6570\u306e\u30d1\u30b9\u306b\u5206\u6563\u3057\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8f3b\u8f33\u3092\u9632\u304e\u3001\u5229\u7528\u53ef\u80fd\u306a\u5e2f\u57df\u5e45\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30eb\u30fc\u30c8\u307e\u3068\u3081<\/strong>EIGRP \u306f\u30eb\u30fc\u30c8\u96c6\u7d04\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u8868\u73fe\u3057\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>VLSM \u30b5\u30dd\u30fc\u30c8<\/strong>EIGRP \u306f\u53ef\u5909\u9577\u30b5\u30d6\u30cd\u30c3\u30c8 \u30de\u30b9\u30af (VLSM) \u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u3001\u3088\u308a\u67d4\u8edf\u306a\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u3068 IP \u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306e\u52b9\u7387\u7684\u306a\u5229\u7528\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a8d\u8a3c<\/strong>EIGRP \u306f\u3001\u30eb\u30fc\u30bf\u9593\u306e\u5b89\u5168\u306a\u901a\u4fe1\u3092\u78ba\u4fdd\u3057\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u60c5\u5831\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306e\u8a8d\u8a3c\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>EIGRP\u306e\u7a2e\u985e<\/h2>\n<p>EIGRP \u306f\u6b21\u306e 2 \u3064\u306e\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30af\u30e9\u30b7\u30c3\u30af EIGRP<\/strong>\u3053\u308c\u306f\u3001\u5358\u4e00\u306e\u81ea\u5f8b\u30b7\u30b9\u30c6\u30e0 (AS) \u5185\u3067\u52d5\u4f5c\u3059\u308b EIGRP \u306e\u6a19\u6e96\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ef\u30a4\u30c9\u30a8\u30ea\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (WAN) EIGRP<\/strong>: \u3053\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3001\u8907\u6570\u306e AS \u306b\u307e\u305f\u304c\u308b\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7570\u306a\u308b\u81ea\u5f8b\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u52b9\u7387\u7684\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u306b 2 \u3064\u306e\u30bf\u30a4\u30d7\u306e\u6bd4\u8f03\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>\u30af\u30e9\u30b7\u30c3\u30af EIGRP<\/th>\n<th>WAN EIGRP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7bc4\u56f2<\/td>\n<td>\u30b7\u30f3\u30b0\u30ebAS<\/td>\n<td>\u8907\u6570\u306e AS<\/td>\n<\/tr>\n<tr>\n<td>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/td>\n<td>\u4e2d\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u9069\u3057\u3066\u3044\u307e\u3059<\/td>\n<td>\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6700\u9069<\/td>\n<\/tr>\n<tr>\n<td>\u69cb\u6210<\/td>\n<td>\u6bd4\u8f03\u7684\u30b7\u30f3\u30d7\u30eb<\/td>\n<td>\u8ffd\u52a0\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981<\/td>\n<\/tr>\n<tr>\n<td>\u30d1\u30b9\u306e\u9078\u629e<\/td>\n<td>\u5185\u90e8\u30eb\u30fc\u30c8\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b<\/td>\n<td>AS\u9593\u304a\u3088\u3073\u5916\u90e8\u30eb\u30fc\u30c8\u3092\u51e6\u7406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>EIGRP \u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u554f\u984c\u3001\u89e3\u6c7a\u7b56<\/h2>\n<p>EIGRP \u306f\u3001\u305d\u306e\u52b9\u7387\u6027\u3068\u62e1\u5f35\u6027\u306b\u3088\u308a\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u9ad8\u901f\u306a\u30b3\u30f3\u30d0\u30fc\u30b8\u30a7\u30f3\u30b9\u3068\u8ca0\u8377\u5206\u6563\u304c\u4e0d\u53ef\u6b20\u306a\u3001\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u30eb\u30fc\u30bf\u304c\u591a\u6570\u5b58\u5728\u3059\u308b\u7d44\u7e54\u306b\u7279\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001EIGRP \u306e\u4f7f\u7528\u4e2d\u306b\u3044\u304f\u3064\u304b\u306e\u6f5c\u5728\u7684\u306a\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30c8\u30dd\u30ed\u30b8\u30fc\u306e\u4e0d\u5b89\u5b9a\u6027<\/strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30dd\u30ed\u30b8\u306e\u6025\u6fc0\u306a\u5909\u5316\u306f\u3001\u30eb\u30fc\u30c8\u306e\u30d5\u30e9\u30c3\u30d4\u30f3\u30b0\u3084\u4e0d\u5b89\u5b9a\u6027\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9069\u5207\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u3068\u30eb\u30fc\u30c8\u96c6\u7d04\u306b\u3088\u308a\u3001\u3053\u306e\u554f\u984c\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0d\u7b49\u30b3\u30b9\u30c8\u8ca0\u8377\u5206\u6563<\/strong>: EIGRP \u306f\u3001\u30b3\u30b9\u30c8\u304c\u7570\u306a\u308b\u8907\u6570\u306e\u30d1\u30b9\u9593\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5e38\u306b\u6700\u9069\u306b\u5206\u6563\u3059\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u5bfe\u51e6\u3059\u308b\u306b\u306f\u3001\u30d0\u30ea\u30a2\u30f3\u30b9\u8a2d\u5b9a\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a8d\u8a3c\u306e\u554f\u984c<\/strong>: \u8a8d\u8a3c\u8a2d\u5b9a\u3092\u8aa4\u3063\u3066\u69cb\u6210\u3059\u308b\u3068\u3001\u30cd\u30a4\u30d0\u30fc\u96a3\u63a5\u969c\u5bb3\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u8a8d\u8a3c\u8a2d\u5b9a\u306e\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306e\u8ab2\u984c<\/strong>: \u975e\u5e38\u306b\u5927\u898f\u6a21\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001EIGRP \u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u304c\u554f\u984c\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u968e\u5c64\u578b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u3092\u5b9f\u88c5\u3059\u308b\u3068\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u7ba1\u7406\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>EIGRP \u3092\u4ed6\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>EIGRP<\/th>\n<th>OSPF<\/th>\n<th>RIP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30d7\u30ed\u30c8\u30b3\u30eb\u30bf\u30a4\u30d7<\/td>\n<td>\u9ad8\u5ea6\u306a\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb<\/td>\n<td>\u30ea\u30f3\u30af\u30b9\u30c6\u30fc\u30c8<\/td>\n<td>\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb<\/td>\n<\/tr>\n<tr>\n<td>\u53ce\u675f\u901f\u5ea6<\/td>\n<td>\u901f\u3044<\/td>\n<td>\u9069\u5ea6<\/td>\n<td>\u9045\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/td>\n<td>\u62e1\u5f35\u6027\u304c\u9ad8\u3044<\/td>\n<td>\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6700\u9069<\/td>\n<td>\u9650\u3089\u308c\u305f\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/td>\n<\/tr>\n<tr>\n<td>\u30d1\u30b9\u9078\u629e\u30e1\u30c8\u30ea\u30c3\u30af<\/td>\n<td>\u5e2f\u57df\u5e45\u3001\u9045\u5ef6\u3001\u4fe1\u983c\u6027\u3001\u8ca0\u8377\u3001MTU<\/td>\n<td>\u30b3\u30b9\u30c8\u3001\u5e2f\u57df\u5e45\u3001\u9045\u5ef6\u3001\u4fe1\u983c\u6027<\/td>\n<td>\u30db\u30c3\u30d7\u6570<\/td>\n<\/tr>\n<tr>\n<td>VLSM \u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<\/tr>\n<tr>\n<td>\u8a8d\u8a3c<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>EIGRP\u306b\u95a2\u9023\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3066\u3001EIGRP \u306f\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u9700\u8981\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u3055\u3089\u306b\u6a5f\u80fd\u5f37\u5316\u3068\u9069\u5fdc\u304c\u884c\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u5f8c\u306e\u958b\u767a\u3067\u306f\u3001\u6b21\u306e\u70b9\u306b\u91cd\u70b9\u304c\u7f6e\u304b\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>IPv6\u306e\u7d71\u5408<\/strong>: IPv6 \u306e\u63a1\u7528\u304c\u666e\u53ca\u3059\u308b\u306b\u3064\u308c\u3066\u3001EIGRP \u3092\u5f37\u5316\u3057\u3066 IPv6 \u3092\u5b8c\u5168\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>SDN\u3068\u81ea\u52d5\u5316<\/strong>: \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5b9a\u7fa9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (SDN) \u3068\u81ea\u52d5\u5316\u3068\u306e\u7d71\u5408\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u3068\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\u304c\u7c21\u7d20\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316<\/strong>: \u8a8d\u8a3c\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5f37\u5316\u3057\u3001\u65b0\u305f\u306a\u8105\u5a01\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092 EIGRP \u3067\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u307e\u305f\u306f EIGRP \u3068\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u3001\u4e3b\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u304a\u3088\u3073\u30ad\u30e3\u30c3\u30b7\u30e5\u6a5f\u80fd\u306e\u5411\u4e0a\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002EIGRP \u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30ec\u30d9\u30eb\u3067\u52d5\u4f5c\u3057\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u6a5f\u80fd\u3068\u306f\u76f4\u63a5\u95a2\u4fc2\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u6b21\u306e\u65b9\u6cd5\u3067 EIGRP \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>Web \u30d7\u30ed\u30ad\u30b7 \u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b Web \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u308b\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u904e\u3059\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u91cf\u304c\u6e1b\u5c11\u3057\u3001\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u30dd\u30ea\u30b7\u30fc\u3092\u9069\u7528\u3057\u3001EIGRP \u306e\u8a8d\u8a3c\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u3068\u3082\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c64\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: EIGRP \u306e\u8ca0\u8377\u5206\u6563\u6a5f\u80fd\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3055\u3089\u306b\u5206\u6563\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30ea\u30bd\u30fc\u30b9\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>EIGRP \u306b\u95a2\u3059\u308b\u8a73\u7d30\u306a\u60c5\u5831\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>Cisco \u306e\u516c\u5f0f EIGRP \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8: <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/tech\/ios-nx-os-software\/enhanced-interior-gateway-routing-protocol-eigrp\/tsd-products-support-series-home.html\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.cisco.com\/c\/en\/us\/tech\/ios-nx-os-software\/enhanced-interior-gateway-routing-protocol-eigrp\/tsd-products-support-series-home.html<\/a><\/li>\n<li>EIGRP \u306b\u95a2\u3059\u308b\u30b7\u30b9\u30b3\u306e\u5b66\u7fd2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af: <a href=\"https:\/\/learningnetwork.cisco.com\/s\/enhanced-interior-gateway-routing-protocol-eigrp\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/learningnetwork.cisco.com\/s\/enhanced-interior-gateway-routing-protocol-eigrp<\/a><\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001EIGRP \u306f\u3001\u5927\u898f\u6a21\u306a\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u9ad8\u901f\u30b3\u30f3\u30d0\u30fc\u30b8\u30a7\u30f3\u30b9\u3001\u8ca0\u8377\u5206\u6563\u3001\u52b9\u7387\u7684\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u5b9f\u73fe\u3059\u308b\u5f37\u529b\u3067\u591a\u7528\u9014\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u8ddd\u96e2\u30d9\u30af\u30c8\u30eb\u3068\u30ea\u30f3\u30af \u30b9\u30c6\u30fc\u30c8\u306e\u7279\u6027\u304c\u7d44\u307f\u5408\u308f\u3055\u3063\u305f EIGRP \u306f\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u6c42\u3081\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u306b\u3068\u3063\u3066\u3001\u30e6\u30cb\u30fc\u30af\u3067\u4fa1\u5024\u306e\u3042\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30c6\u30af\u30ce\u30ed\u30b8\u306e\u9032\u6b69\u306b\u4f34\u3044\u3001EIGRP \u306f\u9032\u5316\u3092\u7d9a\u3051\u3001\u65b0\u3057\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c6\u30af\u30ce\u30ed\u30b8\u3068\u7d71\u5408\u3057\u3066\u3001\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u9700\u8981\u3092\u6e80\u305f\u3059\u3082\u306e\u3068\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>","protected":false},"featured_media":477049,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477048","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Enhanced Interior Gateway Routing Protocol (EIGRP): A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is EIGRP?","answer":"<p>EIGRP, which stands for Enhanced Interior Gateway Routing Protocol, is a dynamic and sophisticated routing protocol used in computer networks for efficient data packet routing between interconnected routers. Developed by Cisco Systems, EIGRP provides rapid convergence, load balancing, and loop-free path selection within an autonomous system (AS).<\/p>"},{"question":"How does EIGRP work?","answer":"<p>EIGRP operates as an advanced distance-vector protocol, using the Diffusing Update Algorithm (DUAL) to determine the best path for routing data. It sends incremental updates instead of broadcasting entire routing tables, reducing network traffic and conserving bandwidth. EIGRP also utilizes metrics like bandwidth, delay, reliability, load, and MTU for intelligent routing decisions.<\/p>"},{"question":"What are the key features of EIGRP?","answer":"<p>EIGRP offers several key features, including fast convergence, load balancing, route summarization, support for Variable Length Subnet Masks (VLSM), and authentication mechanisms to secure communication between routers.<\/p>"},{"question":"What types of EIGRP are there?","answer":"<p>EIGRP can be classified into two types: Classic EIGRP, which operates within a single AS, and WAN EIGRP, designed for large networks spanning multiple ASs. Classic EIGRP is suitable for medium-sized networks, while WAN EIGRP addresses large-scale network requirements.<\/p>"},{"question":"How is EIGRP compared to other routing protocols?","answer":"<p>In comparison with other protocols like OSPF and RIP, EIGRP excels in fast convergence, scalability, and support for multiple path selection metrics. It also supports VLSM, while RIP does not, and offers authentication capabilities, which OSPF also provides.<\/p>"},{"question":"What are the potential issues with using EIGRP?","answer":"<p>While EIGRP is a robust protocol, there are potential challenges, including topology instabilities due to rapid network changes, unequal cost load balancing, and scaling issues in extremely large networks. Proper network design, summarization, and hierarchical structures can address these problems.<\/p>"},{"question":"How can proxy servers complement EIGRP?","answer":"<p>Proxy servers, while not directly related to EIGRP, can be used alongside it to improve performance, caching, access control, and load balancing in the network. They add an extra layer of security and help optimize network resources when used in combination with EIGRP's capabilities.<\/p>"},{"question":"What does the future hold for EIGRP?","answer":"<p>As technology evolves, EIGRP is likely to see advancements, such as full support for IPv6, integration with SDN and automation, and enhanced security features to protect against emerging threats. Cisco's continuous development and integration with modern networking technologies ensure EIGRP's relevance in the future.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477048\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/477049"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=477048"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}