{"id":385,"date":"2025-04-15T16:18:00","date_gmt":"2025-04-15T07:18:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=385"},"modified":"2025-10-12T16:57:51","modified_gmt":"2025-10-12T07:57:51","slug":"ipv6%ef%bc%88%e5%9f%ba%e6%9c%ac%e3%83%97%e3%83%ad%e3%83%88%e3%82%b3%e3%83%ab%e3%81%a8%e9%80%9a%e4%bf%a1%e7%a2%ba%e8%aa%8d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=385","title":{"rendered":"IPv6\uff08\u57fa\u672c\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u901a\u4fe1\u78ba\u8a8d\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">IPv6 &#8211; ICMPv6\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">ICMPv6\uff08Internet Control Message Protocol for IPv6\uff09<\/span><\/strong>\u306f\u3001IPv6\u3067\u5229\u7528\u3055\u308c\u308b\u5236\u5fa1\u7528\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002IPv4\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u305fICMP\u306b\u52a0\u3048\u3066\u3001IPv6\u3067\u306f\u3055\u3089\u306b\u591a\u304f\u306e\u6a5f\u80fd\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u30a8\u30e9\u30fc\u901a\u77e5\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u60c5\u5831\u53ce\u96c6\u3060\u3051\u3067\u306a\u304f\u3001ARP\u306b\u76f8\u5f53\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u89e3\u6c7a\u3001\u30a2\u30c9\u30ec\u30b9\u91cd\u8907\u691c\u51fa\u3001\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u5236\u5fa1\u3068\u3044\u3063\u305f\u6a5f\u80fd\u3082\u542b\u307e\u308c\u307e\u3059\u3002IP\u30d7\u30ed\u30c8\u30b3\u30eb\u756a\u53f7\u306f58\u3067\u3042\u308a\u3001RFC4443\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u30d1\u30b1\u30c3\u30c8\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306fIPv4\u306eICMP\u3068\u985e\u4f3c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ICMPv6\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5206\u985e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ICMPv6\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u5927\u304d\u304f\u4e8c\u3064\u306b\u5206\u304b\u308c\u307e\u3059\u3002\u30bf\u30a4\u30d70\uff5e127\u306f\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3001128\uff5e255\u306f\u60c5\u5831\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u3059\u3002\u3055\u3089\u306bIPv6\u56fa\u6709\u306e\u8fd1\u96a3\u63a2\u7d22\u30e1\u30c3\u30bb\u30fc\u30b8\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30ab\u30c6\u30b4\u30ea<\/th><th>\u30bf\u30a4\u30d7<\/th><th>\u30e1\u30c3\u30bb\u30fc\u30b8<\/th><\/tr><\/thead><tbody><tr><td>\u30a8\u30e9\u30fc<\/td><td>1<\/td><td>Destination Unreachable\uff08\u5b9b\u5148\u5230\u9054\u4e0d\u80fd\uff09<\/td><\/tr><tr><td><\/td><td>2<\/td><td>Packet too Big\uff08\u30d1\u30b1\u30c3\u30c8\u904e\u5927\uff09<\/td><\/tr><tr><td><\/td><td>3<\/td><td>Time Exceeded\uff08\u6642\u9593\u5207\u308c\uff09<\/td><\/tr><tr><td><\/td><td>4<\/td><td>Parameter Problem\uff08\u30d1\u30e9\u30e1\u30fc\u30bf\u7570\u5e38\uff09<\/td><\/tr><tr><td>\u60c5\u5831<\/td><td>128<\/td><td>Echo Request\uff08\u30a8\u30b3\u30fc\u8981\u6c42\u3001ping\uff09<\/td><\/tr><tr><td><\/td><td>129<\/td><td>Echo Reply\uff08\u30a8\u30b3\u30fc\u5fdc\u7b54\uff09<\/td><\/tr><tr><td><\/td><td>130<\/td><td>Multicast Listener Query<\/td><\/tr><tr><td><\/td><td>131<\/td><td>Multicast Listener Report<\/td><\/tr><tr><td><\/td><td>132<\/td><td>Multicast Listener Done<\/td><\/tr><tr><td>\u8fd1\u96a3\u63a2\u7d22<\/td><td>133<\/td><td>Router Solicitation\uff08\u30eb\u30fc\u30bf\u8981\u8acb\uff09<\/td><\/tr><tr><td><\/td><td>134<\/td><td>Router Advertisement\uff08\u30eb\u30fc\u30bf\u5e83\u544a\uff09<\/td><\/tr><tr><td><\/td><td>135<\/td><td>Neighbor Solicitation\uff08\u8fd1\u96a3\u8981\u8acb\uff09<\/td><\/tr><tr><td><\/td><td>136<\/td><td>Neighbor Advertisement\uff08\u8fd1\u96a3\u5e83\u544a\uff09<\/td><\/tr><tr><td><\/td><td>137<\/td><td>Redirect\uff08\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Router Solicitation \/ Router Advertisement<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306f\u30ce\u30fc\u30c9\u3068\u30eb\u30fc\u30bf\u306e\u9593\u3067\u3084\u308a\u53d6\u308a\u3055\u308c\u3001IPv6\u306e\u81ea\u52d5\u8a2d\u5b9a\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ce\u30fc\u30c9\u306bIPv6\u30a2\u30c9\u30ec\u30b9\u3092\u81ea\u52d5\u7684\u306b\u5272\u308a\u5f53\u3066\u308b<\/li>\n\n\n\n<li>\u63a5\u7d9a\u30ea\u30f3\u30af\u306e\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u901a\u77e5\u3057\u3066\u3001\u76f4\u63a5\u901a\u4fe1\u53ef\u80fd\u306a\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u3092\u8b58\u5225<\/li>\n\n\n\n<li>\u30d1\u30b1\u30c3\u30c8\u306e\u30cd\u30af\u30b9\u30c8\u30db\u30c3\u30d7\u3092\u6c7a\u5b9a<\/li>\n\n\n\n<li>MTU\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f1d\u9054<\/li>\n\n\n\n<li>\u63a5\u7d9a\u53ef\u80fd\u306a\u30eb\u30fc\u30bf\u306e\u5b58\u5728\u3092\u691c\u51fa<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Neighbor Solicitation \/ Neighbor Advertisement<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u96a3\u63a5\u30ce\u30fc\u30c9\u9593\u3067\u306e\u30a2\u30c9\u30ec\u30b9\u89e3\u6c7a\u3084\u72b6\u614b\u78ba\u8a8d\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IPv4\u306eARP\u306b\u76f8\u5f53\u3057\u3001IPv6\u30a2\u30c9\u30ec\u30b9\u3068MAC\u30a2\u30c9\u30ec\u30b9\u3092\u95a2\u9023\u4ed8\u3051\u308b<\/li>\n\n\n\n<li>\u81ea\u8eab\u304c\u5229\u7528\u3057\u3088\u3046\u3068\u3059\u308bIPv6\u30a2\u30c9\u30ec\u30b9\u304c\u4ed6\u30ce\u30fc\u30c9\u3068\u91cd\u8907\u3057\u3066\u3044\u306a\u3044\u304b\u691c\u51fa\uff08DAD: Duplicate Address Detection\uff09<\/li>\n\n\n\n<li>\u901a\u4fe1\u76f8\u624b\u30ce\u30fc\u30c9\u304c\u5fdc\u7b54\u3057\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306b\u5230\u9054\u4e0d\u80fd\u3092\u691c\u51fa<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Redirect<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30eb\u30fc\u30bf\u304c\u3001\u3088\u308a\u9069\u5207\u306a\u8ee2\u9001\u5148\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u30ce\u30fc\u30c9\u306b\u77e5\u3089\u305b\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002IPv4\u306eICMP\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3068\u540c\u3058\u5f79\u5272\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1aICMPv6\u306f\u5358\u306a\u308b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u3068\u3069\u307e\u3089\u305a\u3001ARP\u306b\u76f8\u5f53\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u89e3\u6c7a\u3001\u30a2\u30c9\u30ec\u30b9\u91cd\u8907\u691c\u51fa\u3001IPv6\u81ea\u52d5\u8a2d\u5b9a\u306a\u3069\u306e\u91cd\u8981\u6a5f\u80fd\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002\u7279\u306bNeighbor Solicitation \/ Advertisement\u3068Router Advertisement\u306e\u5f79\u5272\u306fCCNA\u8a66\u9a13\u3067\u983b\u51fa\u3067\u3059\u3002\u30d7\u30ed\u30c8\u30b3\u30eb\u756a\u53f7\u304c58\u3067\u3042\u308b\u3053\u3068\u3082\u5fc5\u305a\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IPv6 &#8211; Neighbor Discovery\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IPv4\u3067\u306f\u5b9b\u5148\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u308b\u305f\u3081\u306bARP\u3092\u5229\u7528\u3057\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3067\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3044\u307e\u3059\u3002\u4e00\u65b9IPv6\u3067\u306f\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u304c\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u3001\u4ee3\u308f\u308a\u306b <strong><span class=\"swl-marker mark_yellow\">Neighbor Discovery\uff08ND\u3001\u8fd1\u96a3\u63a2\u7d22\uff09<\/span><\/strong> \u3092\u7528\u3044\u3066MAC\u30a2\u30c9\u30ec\u30b9\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002\u3053\u306e\u4ed5\u7d44\u307f\u306f <span class=\"swl-marker mark_yellow\"><strong>ICMPv6\u306eNeighbor Solicitation\uff08NS\uff09\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong> \u3068 <strong>\u8981\u8acb\u30ce\u30fc\u30c9\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9<\/strong> <\/span>\u3092\u5229\u7528\u3059\u308b\u70b9\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30d0\u30fc\u30b8\u30e7\u30f3<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>IPv4<\/td><td>ARP\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3067\u5b9b\u5148MAC\u3092\u53d6\u5f97<\/td><\/tr><tr><td>IPv6<\/td><td>ICMPv6 NS\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u8981\u8acb\u30ce\u30fc\u30c9\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u3067\u5b9b\u5148MAC\u3092\u53d6\u5f97<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u30a2\u30c9\u30ec\u30b9\u89e3\u6c7a\u306e\u6d41\u308c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IPv6\u30ce\u30fc\u30c9\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306bIPv6\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3064\u3068\u3001\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u5c0e\u51fa\u3055\u308c\u308b <strong><span class=\"swl-marker mark_yellow\">\u8981\u8acb\u30ce\u30fc\u30c9\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9<\/span><\/strong> \u306b\u81ea\u52d5\u7684\u306b\u53c2\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u4fe1\u306e\u6d41\u308c\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9001\u4fe1\u5143\u30ce\u30fc\u30c9\u306f\u5b9b\u5148\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u308b\u305f\u3081\u3001\u5b9b\u5148\u306e\u8981\u8acb\u30ce\u30fc\u30c9\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b <strong>NS\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong> \u3092\u9001\u4fe1\u3059\u308b<\/li>\n\n\n\n<li>\u5b9b\u5148\u30ce\u30fc\u30c9\u306f\u81ea\u8eab\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u542b\u3080 <strong>NA\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong> \u3092\u8fd4\u4fe1\u3059\u308b<\/li>\n\n\n\n<li>\u3053\u308c\u306b\u3088\u308a\u9001\u4fe1\u5143\u30ce\u30fc\u30c9\u306f\u5b9b\u5148\u30ce\u30fc\u30c9\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u5b66\u7fd2\u3057\u3001IPv6\u901a\u4fe1\u304c\u53ef\u80fd\u3068\u306a\u308b<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u95a2\u4fc2\u3092IPv4\u306b\u5f53\u3066\u306f\u3081\u308b\u3068 <strong><span class=\"swl-marker mark_yellow\">NS = ARP\u30ea\u30af\u30a8\u30b9\u30c8\u3001NA = ARP\u30ea\u30d7\u30e9\u30a4<\/span><\/strong> \u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u901a\u4fe1\u4f8b<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>\u30ce\u30fc\u30c9A<\/th><th>\u30ce\u30fc\u30c9B<\/th><\/tr><\/thead><tbody><tr><td>\u30b0\u30ed\u30fc\u30d0\u30eb\u30e6\u30cb\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9<\/td><td>2001:1:1:1::1111:1111<\/td><td>2001:1:1:1::2222:2222<\/td><\/tr><tr><td>\u8981\u8acb\u30ce\u30fc\u30c9\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8<\/td><td>FF02::1:FF11:1111<\/td><td>FF02::1:FF22:2222<\/td><\/tr><tr><td>IPv6\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8MAC<\/td><td>33:33:FF:11:11:11<\/td><td>33:33:FF:22:22:22<\/td><\/tr><tr><td>MAC\u30a2\u30c9\u30ec\u30b9<\/td><td>1111:1111:1111<\/td><td>2222:2222:2222<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Neighbor Discovery\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u78ba\u8a8d\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IPv4\u306eARP\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u304cIPv6\u306b\u3082\u5b58\u5728\u3057\u3001Cisco IOS\u3067\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30d0\u30fc\u30b8\u30e7\u30f3<\/th><th>\u30b3\u30de\u30f3\u30c9<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>IPv4<\/td><td>show ip arp<\/td><td>ARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u78ba\u8a8d<\/td><\/tr><tr><td>IPv6<\/td><td>show ipv6 neighbors<\/td><td>Neighbor Discovery\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u78ba\u8a8d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<br>\u30fbIPv6\u3067\u306fARP\u3092\u4f7f\u308f\u305aNeighbor Discovery\u3092\u5229\u7528\u3059\u308b<br>\u30fb\u8981\u8acb\u30ce\u30fc\u30c9\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u304c\u4e0d\u8981<br>\u30fbNS\u306fARP\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u76f8\u5f53\u3001NA\u306fARP\u30ea\u30d7\u30e9\u30a4\u306b\u76f8\u5f53<br>\u30fb\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9\u306f <code>show ipv6 neighbors<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IPv6 \u306e PING\u30b3\u30de\u30f3\u30c9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IPv4\u3067\u306f1\u3064\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u901a\u5e381\u3064\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u304c\u3001IPv6\u3067\u306f\u8907\u6570\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u30ea\u30f3\u30af\u30ed\u30fc\u30ab\u30eb\u30a2\u30c9\u30ec\u30b9\u3068\u30b0\u30ed\u30fc\u30d0\u30eb\u30e6\u30cb\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u306e2\u7a2e\u985e\u306f\u5fc5\u305a\u3068\u3044\u3063\u3066\u3044\u3044\u307b\u3069\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u758e\u901a\u78ba\u8a8d\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u307e\u305a\u96a3\u63a5\u30eb\u30fc\u30bf\u306e\u30ea\u30f3\u30af\u30ed\u30fc\u30ab\u30eb\u30a2\u30c9\u30ec\u30b9\u5b9b\u3066\u306bPING\u3092\u5b9f\u884c\u3057\u3066\u3001\u540c\u3058\u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u3067\u306e\u901a\u4fe1\u304c\u6210\u7acb\u3059\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ea\u30f3\u30af\u30ed\u30fc\u30ab\u30eb\u30a2\u30c9\u30ec\u30b9\u5b9b\u3066\u306bPING\u3092\u9001\u308b\u5834\u5408\u306f\u3001\u5fc5\u305a\u9001\u4fe1\u5143\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u660e\u793a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u30ea\u30f3\u30af\u30ed\u30fc\u30ab\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u3067\u3057\u304b\u6709\u52b9\u3067\u306a\u304f\u3001\u8907\u6570\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u540c\u3058\u30ea\u30f3\u30af\u30ed\u30fc\u30ab\u30eb\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u304c\u5b58\u5728\u3057\u5f97\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3068\u3057\u3066\u3001\u96a3\u63a5\u30eb\u30fc\u30bf\u306b\u30ea\u30f3\u30af\u30ed\u30fc\u30ab\u30eb\u30a2\u30c9\u30ec\u30b9 <code>FE80::1<\/code> \u3067PING\u3059\u308b\u5834\u5408\u306f\u6b21\u306e\u3088\u3046\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Router# ping ipv6 FE80::1 source FastEthernet0\/0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65b9\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30e6\u30cb\u30ad\u30e3\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u5b9b\u3066\u306bPING\u3059\u308b\u5834\u5408\u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u50cd\u304f\u305f\u3081\u3001\u9001\u4fe1\u5143\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u96a3\u63a5\u6a5f\u5668\u306eIPv6\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u304c\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Router# show cdp neighbors detail<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">IPv6 \u306e\u30cd\u30a4\u30d0\u30fc\u30c6\u30fc\u30d6\u30eb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IPv4\u3067\u306fARP\u30ad\u30e3\u30c3\u30b7\u30e5\u3092 <code>show ip arp<\/code> \u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u304c\u3001IPv6\u3067\u306fNeighbor Discovery\u306b\u3088\u3063\u3066\u5b66\u7fd2\u3057\u305f\u60c5\u5831\u3092\u30cd\u30a4\u30d0\u30fc\u30c6\u30fc\u30d6\u30eb\u3068\u3057\u3066\u4fdd\u6301\u3057\u307e\u3059\u3002\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Router# show ipv6 neighbors<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cd\u30a4\u30d0\u30fc\u30c6\u30fc\u30d6\u30eb\u306b\u8868\u793a\u3055\u308c\u308b\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u9805\u76ee<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>\u2460<\/td><td>\u691c\u51fa\u3055\u308c\u305f\u30cd\u30a4\u30d0\u30fc\u306eIPv6\u30a2\u30c9\u30ec\u30b9<\/td><\/tr><tr><td>\u2461<\/td><td>\u30cd\u30a4\u30d0\u30fc\u60c5\u5831\u306e\u6709\u52b9\u671f\u9650\uff08minutes\u5358\u4f4d\uff09<\/td><\/tr><tr><td>\u2462<\/td><td>\u30cd\u30a4\u30d0\u30fc\u306eMAC\u30a2\u30c9\u30ec\u30b9<\/td><\/tr><tr><td>\u2463<\/td><td>\u5230\u9054\u72b6\u614b\uff08STALE\uff1d\u6700\u8fd1\u901a\u4fe1\u306a\u3057\u3001REACH\uff1d\u5230\u9054\u78ba\u8a8d\u3042\u308a \u306a\u3069\uff09<\/td><\/tr><tr><td>\u2464<\/td><td>\u30cd\u30a4\u30d0\u30fc\u3092\u691c\u51fa\u3057\u305f\u81ea\u6a5f\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1aIPv6\u306e\u30ea\u30f3\u30af\u30ed\u30fc\u30ab\u30eb\u5b9b\u3066PING\u3067\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u6307\u5b9a\u304c\u5fc5\u9808\u3067\u3042\u308b\u3053\u3068\u3092\u62bc\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u30b0\u30ed\u30fc\u30d0\u30eb\u30e6\u30cb\u30ad\u30e3\u30b9\u30c8\u3067\u306f\u6307\u5b9a\u306f\u4e0d\u8981\u3067\u3059\u3002\u307e\u305f\u30cd\u30a4\u30d0\u30fc\u30c6\u30fc\u30d6\u30eb\u306e\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9\u306f <code>show ipv6 neighbors<\/code> \u3067\u3042\u308a\u3001ARP\u3068\u6df7\u540c\u3057\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30cd\u30a4\u30d0\u30fc\u306e\u5230\u9054\u72b6\u614b\uff08STALE\u3001REACH\u306a\u3069\uff09\u306f\u8a66\u9a13\u3067\u3082\u554f\u308f\u308c\u3084\u3059\u3044\u9805\u76ee\u3067\u3059\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\/04\/IPv6\uff08\u57fa\u672c\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u901a\u4fe1\u78ba\u8a8d\uff09.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"IPv6\uff08\u57fa\u672c\u30d5\u309a\u30ed\u30c8\u30b3\u30eb\u3068\u901a\u4fe1\u78ba\u8a8d\uff09\u306e\u57cb\u3081\u8fbc\u307f\u3002\"><\/object><a id=\"wp-block-file--media-aae6996c-e43a-4073-89ab-9e4ad59b8549\" href=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/04\/IPv6\uff08\u57fa\u672c\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u901a\u4fe1\u78ba\u8a8d\uff09.pdf\">IPv6\uff08\u57fa\u672c\u30d5\u309a\u30ed\u30c8\u30b3\u30eb\u3068\u901a\u4fe1\u78ba\u8a8d\uff09<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>IPv6 &#8211; ICMPv6\u3068\u306f ICMPv6\uff08Internet Control Message Protocol for IPv6\uff09\u306f\u3001IPv6\u3067\u5229\u7528\u3055\u308c\u308b\u5236\u5fa1\u7528\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002IPv4\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u305fIC [&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":[13],"tags":[],"class_list":["post-385","post","type-post","status-publish","format-standard","hentry","category-ip-connect"],"_links":{"self":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/385","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=385"}],"version-history":[{"count":2,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/385\/revisions"}],"predecessor-version":[{"id":699,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/385\/revisions\/699"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}