{"id":2942,"date":"2024-10-01T08:55:06","date_gmt":"2024-09-30T23:55:06","guid":{"rendered":"http:\/\/daimaru-tech-blog.com\/?p=2942"},"modified":"2025-07-05T12:03:57","modified_gmt":"2025-07-05T03:03:57","slug":"%e3%80%90%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%80%91bgp-unnumbered%ef%bc%88rfc5549%e3%83%bb8950%ef%bc%89%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/daimaru-tech-blog.com\/?p=2942","title":{"rendered":"\u3010\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3011BGP Unnumbered\uff08RFC5549\u30fb8950\uff09\u306b\u3064\u3044\u3066"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u3053\u3093\u306b\u3061\u306f\u3002<strong><span class=\"swl-inline-color has-swl-deep-02-color\"><span class=\"swl-marker mark_blue\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u300c\u3060\u3044\u307e\u308b\u300d<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f<strong><span style=\"color:#008000\" class=\"swl-inline-color\"><span class=\"swl-marker mark_green\">\u300cBGP Unnumbered\u300d\u306b\u3064\u3044\u3066<\/span><\/span><\/strong>\u3001\u5c11\u3057\u52c9\u5f37\u3057\u305f\u306e\u3067\u307e\u3068\u3081\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<center><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-2776062481390161\"\n     crossorigin=\"anonymous\"><\/script>\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-format=\"autorelaxed\"\n     data-ad-client=\"ca-pub-2776062481390161\"\n     data-ad-slot=\"3964253637\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/center>\n\n\n\n<h2 class=\"wp-block-heading\">BGP Unnumbered\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u307e\u305a\u3001\u306f\u3058\u3081\u306b<strong><span style=\"color:#008000\" class=\"swl-inline-color\">\u300cBGP Unnumbered\u300d\u306b\u3064\u3044\u3066\u8aac\u660e<\/span><\/strong>\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">BGP Unnumbered<\/span><\/strong>\u3068\u306f<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\"><span class=\"swl-marker mark_blue\">\u300c\u30eb\u30fc\u30bf\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u305a\u306bBGP\u30d4\u30a2\u3092UP\u3055\u305b\u308b\u300d\u6a5f\u80fd<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\u3001<strong><span style=\"color:#008000\" class=\"swl-inline-color\"><span class=\"swl-marker mark_green\">BGP\u30d4\u30a2\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u306f\u300c\u30eb\u30fc\u30bf\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u3001BGP\u30cd\u30a4\u30d0\u306e\u8a2d\u5b9a\u3092\u8ffd\u52a0\u300d<\/span><\/span><\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u6642\u3001<strong>BGP\u30cd\u30a4\u30d0\u306e\u8a2d\u5b9a\u306b\u306f\u300cIP\u30a2\u30c9\u30ec\u30b9\u300d\u3092\u6307\u5b9a<\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\"><span class=\"swl-marker mark_blue\">BGP 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198.64 643 198.64 C 643 207.11 660.39 214 681.99 214 C 703.61 214 721 207.11 721 198.64 Z M 681.99 191.74 C 703.61 191.74 721 184.85 721 176.38 C 721 167.89 703.61 161 681.99 161 C 660.39 161 643 167.89 643 176.38 C 643 184.85 660.39 191.74 681.99 191.74 Z\" fill=\"#036897\" stroke=\"#ffffff\" stroke-width=\"2\" stroke-linejoin=\"round\" stroke-miterlimit=\"10\" pointer-events=\"all\"\/><path d=\"M 673.04 170.54 L 676.2 175.31 L 664.08 177.97 L 666.72 175.84 L 648.27 172.66 L 653.01 168.95 L 670.92 172.13 Z M 690.44 182.2 L 687.8 177.43 L 698.86 174.79 L 697.28 176.9 L 715.2 180.08 L 710.99 183.26 L 692.54 180.08 Z M 684.11 167.89 L 696.22 164.71 L 696.76 169.48 L 693.6 168.95 L 687.8 174.25 L 681.99 173.2 L 687.8 168.43 Z M 678.83 186.97 L 667.24 189.1 L 666.72 183.26 L 670.4 184.33 L 676.73 178.49 L 682.53 179.56 L 675.67 185.92 Z\" fill=\"#ffffff\" stroke=\"none\" pointer-events=\"all\"\/><rect x=\"79\" y=\"121\" width=\"60\" height=\"30\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 58px; height: 1px; padding-top: 136px; margin-left: 80px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><font style=\"font-size: 16px;\"><b>Router1<\/b><\/font><\/div><\/div><\/div><\/foreignObject><text x=\"109\" y=\"140\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\" text-anchor=\"middle\">Router1<\/text><\/switch><\/g><rect x=\"652\" y=\"121\" width=\"60\" height=\"30\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 58px; height: 1px; padding-top: 136px; margin-left: 653px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><font style=\"font-size: 16px;\"><b>Router2<\/b><\/font><\/div><\/div><\/div><\/foreignObject><text x=\"682\" y=\"140\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\" text-anchor=\"middle\">Router2<\/text><\/switch><\/g><rect x=\"70\" y=\"221\" width=\"221\" height=\"150\" fill=\"none\" stroke=\"rgb(0, 0, 0)\" stroke-width=\"2\" stroke-dasharray=\"6 6\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 219px; height: 1px; padding-top: 228px; margin-left: 72px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: left;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><span style=\"font-size: 16px;\"><b>interface Ethernet 1<br \/>\u00a0ip address 10.1.0.1<br \/><br \/>router bgp 65001<br \/>\u00a0neighbor 10.1.0.2<br \/>\u00a0 \u00a0remote-as 65001<br \/>\u00a0 \u00a0update-source ethernet 1<br \/><\/b><\/span><\/div><\/div><\/div><\/foreignObject><text x=\"72\" y=\"240\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\">interface Ethernet 1&#8230;<\/text><\/switch><\/g><rect x=\"225.5\" y=\"31\" width=\"320\" height=\"60\" rx=\"9\" ry=\"9\" fill=\"#ffff66\" stroke=\"#ff0000\" stroke-width=\"3\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 318px; height: 1px; padding-top: 61px; margin-left: 227px;\"><div data-drawio-colors=\"color: #FF0000; \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(255, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><font style=\"font-size: 20px;\">\u30a2\u30c9\u30ec\u30b9\u5272\u5f53\u3042\u308a<br \/>\uff08\u901a\u5e38\u6642\u306eBGP\u8a2d\u5b9a\uff09<\/font><\/div><\/div><\/div><\/foreignObject><text x=\"386\" y=\"65\" fill=\"#FF0000\" font-family=\"Helvetica\" font-size=\"12px\" text-anchor=\"middle\">\u30a2\u30c9\u30ec\u30b9\u5272\u5f53\u3042\u308a&#xa;\uff08\u901a\u5e38\u6642\u306eBGP\u8a2d\u5b9a\uff09<\/text><\/switch><\/g><rect x=\"500\" y=\"221\" width=\"221\" height=\"150\" fill=\"none\" stroke=\"rgb(0, 0, 0)\" stroke-width=\"2\" stroke-dasharray=\"6 6\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 219px; height: 1px; padding-top: 228px; margin-left: 502px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: left;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><span style=\"font-size: 16px;\"><b>interface Ethernet 1<br \/>\u00a0ip address 10.1.0.2<br \/><br \/>router bgp 65001<br \/>\u00a0neighbor 10.1.0.1<br \/>\u00a0 \u00a0remote-as 65001<br \/>\u00a0 \u00a0update-source ethernet 1<br \/><\/b><\/span><\/div><\/div><\/div><\/foreignObject><text x=\"502\" y=\"240\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\">interface Ethernet 1&#8230;<\/text><\/switch><\/g><rect x=\"855\" y=\"1\" width=\"769\" height=\"430\" fill=\"#ccffff\" stroke=\"rgb(0, 0, 0)\" stroke-width=\"2\" pointer-events=\"all\"\/><path d=\"M 1002 187.5 L 1497 187.5\" fill=\"none\" stroke=\"rgb(0, 0, 0)\" stroke-width=\"2\" stroke-miterlimit=\"10\" pointer-events=\"stroke\"\/><rect x=\"924\" y=\"161\" width=\"78\" height=\"53\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><path d=\"M 1002 176.38 C 1002 184.85 984.61 191.74 962.99 191.74 C 941.39 191.74 924 184.85 924 176.38 C 924 198.64 924 198.64 924 198.64 C 924 207.11 941.39 214 962.99 214 C 984.61 214 1002 207.11 1002 198.64 Z M 962.99 191.74 C 984.61 191.74 1002 184.85 1002 176.38 C 1002 167.89 984.61 161 962.99 161 C 941.39 161 924 167.89 924 176.38 C 924 184.85 941.39 191.74 962.99 191.74 Z\" fill=\"#036897\" stroke=\"#ffffff\" stroke-width=\"2\" stroke-linejoin=\"round\" stroke-miterlimit=\"10\" pointer-events=\"all\"\/><path d=\"M 954.04 170.54 L 957.2 175.31 L 945.08 177.97 L 947.72 175.84 L 929.27 172.66 L 934.01 168.95 L 951.92 172.13 Z M 971.44 182.2 L 968.8 177.43 L 979.86 174.79 L 978.28 176.9 L 996.2 180.08 L 991.99 183.26 L 973.54 180.08 Z M 965.11 167.89 L 977.22 164.71 L 977.76 169.48 L 974.6 168.95 L 968.8 174.25 L 962.99 173.2 L 968.8 168.43 Z M 959.83 186.97 L 948.24 189.1 L 947.72 183.26 L 951.4 184.33 L 957.73 178.49 L 963.53 179.56 L 956.67 185.92 Z\" fill=\"#ffffff\" stroke=\"none\" pointer-events=\"all\"\/><rect x=\"1497\" y=\"161\" width=\"78\" height=\"53\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><path d=\"M 1575 176.38 C 1575 184.85 1557.61 191.74 1535.99 191.74 C 1514.39 191.74 1497 184.85 1497 176.38 C 1497 198.64 1497 198.64 1497 198.64 C 1497 207.11 1514.39 214 1535.99 214 C 1557.61 214 1575 207.11 1575 198.64 Z M 1535.99 191.74 C 1557.61 191.74 1575 184.85 1575 176.38 C 1575 167.89 1557.61 161 1535.99 161 C 1514.39 161 1497 167.89 1497 176.38 C 1497 184.85 1514.39 191.74 1535.99 191.74 Z\" fill=\"#036897\" stroke=\"#ffffff\" stroke-width=\"2\" stroke-linejoin=\"round\" stroke-miterlimit=\"10\" pointer-events=\"all\"\/><path d=\"M 1527.04 170.54 L 1530.2 175.31 L 1518.08 177.97 L 1520.72 175.84 L 1502.27 172.66 L 1507.01 168.95 L 1524.92 172.13 Z M 1544.44 182.2 L 1541.8 177.43 L 1552.86 174.79 L 1551.28 176.9 L 1569.2 180.08 L 1564.99 183.26 L 1546.54 180.08 Z M 1538.11 167.89 L 1550.22 164.71 L 1550.76 169.48 L 1547.6 168.95 L 1541.8 174.25 L 1535.99 173.2 L 1541.8 168.43 Z M 1532.83 186.97 L 1521.24 189.1 L 1520.72 183.26 L 1524.4 184.33 L 1530.73 178.49 L 1536.53 179.56 L 1529.67 185.92 Z\" fill=\"#ffffff\" stroke=\"none\" pointer-events=\"all\"\/><rect x=\"933\" y=\"121\" width=\"60\" height=\"30\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 58px; height: 1px; padding-top: 136px; margin-left: 934px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><font style=\"font-size: 16px;\"><b>Router1<\/b><\/font><\/div><\/div><\/div><\/foreignObject><text x=\"963\" y=\"140\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\" text-anchor=\"middle\">Router1<\/text><\/switch><\/g><rect x=\"1506\" y=\"121\" width=\"60\" height=\"30\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 58px; height: 1px; padding-top: 136px; margin-left: 1507px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><font style=\"font-size: 16px;\"><b>Router2<\/b><\/font><\/div><\/div><\/div><\/foreignObject><text x=\"1536\" y=\"140\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\" text-anchor=\"middle\">Router2<\/text><\/switch><\/g><rect x=\"924\" y=\"221\" width=\"276\" height=\"150\" fill=\"none\" stroke=\"rgb(0, 0, 0)\" stroke-width=\"2\" stroke-dasharray=\"6 6\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 274px; height: 1px; padding-top: 228px; margin-left: 926px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: left;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><span style=\"font-size: 16px;\"><b>interface Ethernet 1<br \/>\u00a0ipv6 address use-link-local-only<br \/><br \/>router bgp 65001<br \/>\u00a0neighbor Ethernet1<br \/>\u00a0 \u00a0remote-as 65001<br \/><\/b><\/span><\/div><\/div><\/div><\/foreignObject><text x=\"926\" y=\"240\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\">interface Ethernet 1&#8230;<\/text><\/switch><\/g><rect x=\"1079.5\" y=\"31\" width=\"320\" height=\"60\" rx=\"9\" ry=\"9\" fill=\"#cce5ff\" stroke=\"#0000ff\" stroke-width=\"3\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 318px; height: 1px; padding-top: 61px; margin-left: 1081px;\"><div data-drawio-colors=\"color: #0000FF; \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 255); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><font style=\"font-size: 20px;\">\u30a2\u30c9\u30ec\u30b9\u5272\u5f53\u3042\u308a<br \/>\uff08\u901a\u5e38\u6642\u306eBGP\u8a2d\u5b9a\uff09<\/font><\/div><\/div><\/div><\/foreignObject><text x=\"1240\" y=\"65\" fill=\"#0000FF\" font-family=\"Helvetica\" font-size=\"12px\" text-anchor=\"middle\">\u30a2\u30c9\u30ec\u30b9\u5272\u5f53\u3042\u308a&#xa;\uff08\u901a\u5e38\u6642\u306eBGP\u8a2d\u5b9a\uff09<\/text><\/switch><\/g><rect x=\"1299\" y=\"221\" width=\"276\" height=\"150\" fill=\"none\" stroke=\"rgb(0, 0, 0)\" stroke-width=\"2\" stroke-dasharray=\"6 6\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 274px; height: 1px; padding-top: 228px; margin-left: 1301px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: left;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\"><span style=\"font-size: 16px;\"><b>interface Ethernet 1<br \/>\u00a0ipv6 address use-link-local-only<br \/><br \/>router bgp 65001<br \/>\u00a0neighbor Ethernet1<br \/>\u00a0 \u00a0remote-as 65001<br \/><\/b><\/span><\/div><\/div><\/div><\/foreignObject><text x=\"1301\" y=\"240\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\">interface Ethernet 1&#8230;<\/text><\/switch><\/g><\/g><switch><g requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\"\/><a transform=\"translate(0,-5)\" xlink:href=\"https:\/\/www.drawio.com\/doc\/faq\/svg-export-text-problems\" target=\"_blank\" rel=\"noopener\"><text text-anchor=\"middle\" font-size=\"10px\" x=\"50%\" y=\"100%\">Text is not SVG &#8211; cannot display<\/text><\/a><\/switch><\/svg><\/center>\n<\/div><\/div>\n\n\n\n<p>\u3088\u304f<strong><span style=\"color:#ff4500\" class=\"swl-inline-color\"><span class=\"swl-marker mark_yellow\">BGP Unnumbered\u3067\u306f\u300cRFC5549\u300d\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u300cBGP Unnumbered\u300d\u3068\u300cRFC5549\u300d\u306f\u5225\u7269\u306b\u306a\u308b<\/span><\/span><\/strong>\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>RFC5549\u306f\u3042\u304f\u307e\u3067\u300cBGP\u306eIPv4 Prefix\u306b\u5bfe\u3059\u308bNexthop\u3092IPv6\u306b\u6307\u5b9a\u3059\u308b\u6a5f\u80fd\u300d\u3092\u5b9a\u7fa9\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<p><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\"><span class=\"swl-marker mark_blue\">\u3061\u306a\u307f\u306bRFC5549\u306f\u5ec3\u7248\u3068\u306a\u3063\u3066\u304a\u308a\u3001RFC8950\u304c\u6700\u65b0\u7248\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/span><\/span><\/strong><\/p>\n\n\n\n<center><a href=\"https:\/\/h.accesstrade.net\/sp\/cc?rk=0100p6qn00nrrf\" rel=\"nofollow\" referrerpolicy=\"no-referrer-when-downgrade\"><img decoding=\"async\" src=\"https:\/\/h.accesstrade.net\/sp\/rr?rk=0100p6qn00nrrf\" alt=\"220822_abema_VAUNDY\" border=\"0\" \/><\/a><\/center>\n\n\n\n<div class=\"swell-block-button green_ is-style-btn_solid\" data-id=\"8414763e\"><a href=\"https:\/\/h.accesstrade.net\/sp\/cc?rk=0100p6qn00nrrf\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>ABEMA\u30d7\u30ec\u30df\u30a2\u30e0\u3092\u898b\u308b<\/span><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">RFC5549\/8950\u306e\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u524d\u7ae0\u3067\u3082\u89e6\u308c\u305f\u901a\u308a\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\"><span class=\"swl-marker mark_orange\">RFC5549\u306f\u5ec3\u7248<\/span><\/span><\/strong>\u3068\u306a\u3063\u3066\u304a\u308a\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\"><span class=\"swl-marker mark_blue\">RFC8950\u304c\u6700\u65b0\u7248<\/span><\/span><\/strong>\u306e\u305f\u3081\u3001<strong>\u4eca\u56de\u306fRFC8950\u3092\u7c21\u5358\u306b\u307e\u3068\u3081\u3066\u3044\u304d\u305f\u3044<\/strong>\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>IPv4\u3084IPv6\u306e\u5224\u65ad\u306f\u300cAddress Family Identifier\uff08AFI\uff09\u300d\u3068\u300cSubsequent Address Family Identifier\uff08SAFI\uff09\u300d\u306e\uff12\u3064\u3067\u533a\u5225<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e<strong><span style=\"color:#008000\" class=\"swl-inline-color\"><span class=\"swl-marker mark_green\">\u5024\u306fIANA\u306b\u3088\u308a\u5b9a\u7fa9<\/span><\/span><\/strong>\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u516c\u5f0fHP\u304b\u3089\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external -noimg\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/www.iana.org\/assignments\/address-family-numbers\/address-family-numbers.xhtml\" target=\"_blank\" rel=\"noopener noreferrer\">Address Family Numbers<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\"><\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external -noimg\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/www.iana.org\/assignments\/safi-namespace\/safi-namespace.xhtml\" target=\"_blank\" rel=\"noopener noreferrer\">Subsequent Address Family Identifiers (SAFI) Parameters<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\"><\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<p>AFI\u306e\u5b9a\u7fa9\u3092\u898b\u308b\u3068<strong><span style=\"color:#008000\" class=\"swl-inline-color\">IPv4\u306f\u300c1\u300d<\/span><\/strong>\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">IPv6\u306f\u300c2\u300d<\/span><\/strong>\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"color:#ff4500\" class=\"swl-inline-color\"><span class=\"swl-marker mark_yellow\">&lt;AFI\/SAFI&gt;\u304c&lt;1\/128&gt;\u3068&lt;1\/129&gt;\u306e\u7d44\u307f\u5408\u308f\u305b\u304cRFC5549\u3068RFC8950\u3067\u5909\u66f4<\/span><\/span><\/strong>\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u5909\u66f4\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-big_icon_good\"><div class=\"wp-block-group__inner-container\">\n<ul class=\"wp-block-list\">\n<li><strong>&lt;1\/128&gt;\u3068&lt;1\/129&gt;\u306e\u7d44\u307f\u5408\u308f\u305b<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong><span style=\"color:#ff0000\" class=\"swl-inline-color\"><span class=\"swl-marker mark_orange\">\u5909\u66f4\u70b9\uff1aNexthop Length\u304c16 or 32 Bytes\u304b\u308924 or 48 Byte\u306b\u5909\u66f4<\/span><\/span><\/strong><\/li>\n\n\n\n<li><strong>\u5909\u66f4\u5185\u5bb9\uff1aVPN-IPv6\u306b\u3082\u5bfe\u5fdc\u3059\u308b\u305f\u3081<\/strong><\/li>\n\n\n\n<li><strong>\u7406\u7531\uff1a\u65e2\u5b58\u306eAFI\/SAFI\u306e\u5b9a\u7fa9\u306b\u5408\u308f\u305b\u308b\u305f\u3081<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>\u307e\u305f\u3001\u5f93\u6765\u306eMP-BGP\u3067\u306fAFI\u304c1\u306e\u5c5e\u6027\u306fIPv4\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u307f\u306e\u5e83\u5831\u3068\u306a\u3063\u3066\u3044\u305f\u304c\u3001\u3053\u306eRFC\u306b\u3088\u308aNexthop\u306eAddress Family\u306bIPv6\u304c\u8ffd\u52a0\u3055\u308c\u308b\u3053\u3068\u3067BGP Unnumbered\u306e\u5b9f\u88c5\u306b\u3082\u3064\u306a\u304c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306bIPv4\u306eAddress family\u306b\u304a\u3051\u308bAFI\/SAFI\u306e\u62e1\u5f35\u3055\u308c\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5b9a\u7fa9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-big_icon_good\"><div class=\"wp-block-group__inner-container\">\n<ul class=\"wp-block-list\">\n<li>\u3010\u5177\u4f53\u4f8b1\u3011\n<ul class=\"wp-block-list\">\n<li>AFI\uff1a1<\/li>\n\n\n\n<li>SAFI\uff1a1 \/ 2 \/4<\/li>\n\n\n\n<li>Nexthop Length\uff1a16 Bytes or 32 Bytes<\/li>\n\n\n\n<li>Nexthop Address\uff1aIPv6 \uff08Link-Local\u542b\u3080\uff09<\/li>\n\n\n\n<li>NLRI\uff1aAFI\/SAFI\u306e\u5b9a\u7fa9\u6b21\u7b2c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u3010\u5177\u4f53\u4f8b2\u3011\n<ul class=\"wp-block-list\">\n<li>AFI\uff1a1<\/li>\n\n\n\n<li>SAFI\uff1a128 \/ 129<\/li>\n\n\n\n<li>Nexthop Length\uff1a24 Bytes or 48 Bytes<\/li>\n\n\n\n<li>Nexthop Address\uff1aVPN-IPv6<\/li>\n\n\n\n<li>NLRI\uff1aAFI\/SAFI\u306e\u5b9a\u7fa9\u6b21\u7b2c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>\u4e0a\u8a18\u306b\u3088\u308b\u5909\u66f4\u5f8c\u3001<strong>IPv4\u3068IPv6\u306e\u5224\u5225\u306fNexthop Length\u3067\u884c\u3046<\/strong>\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"color:#008000\" class=\"swl-inline-color\"><span class=\"swl-marker mark_green\">Address Family\u304cIPv4\u306e\u62e1\u5f35\u304c\u3055\u308c\u305f\u4e0a\u3067\u3001BGP\u306b\u3088\u308b\u7d4c\u8def\u5e83\u5831\u306fCapability\u3092\u5229\u7528<\/span><\/span><\/strong>\u3057\u3066\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Capability\u306e\u5b9a\u7fa9\u306f\u4ee5\u4e0b<\/strong>\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-big_icon_point\"><div class=\"wp-block-group__inner-container\">\n<ul class=\"wp-block-list\">\n<li>Capability Code\uff1a5\uff08\u62e1\u5f35\u7248\u306eAFI\/SAFI\u5b9a\u7fa9\u3092\u5229\u7528\uff09<\/li>\n\n\n\n<li>Length\uff1a\u53ef\u5909\u5024<\/li>\n\n\n\n<li>\u30d5\u30a3\u30fc\u30eb\u30c9\u5b9a\u7fa9<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized is-style-photo_frame\"><img decoding=\"async\" width=\"1024\" height=\"497\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-20-at-11.32.33-1024x497.png\" alt=\"\" class=\"wp-image-2949\" style=\"width:513px;height:auto\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-20-at-11.32.33-1024x497.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-20-at-11.32.33-300x146.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-20-at-11.32.33-768x373.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-20-at-11.32.33.png 1248w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<p>RFC\u3092\u7c21\u5358\u306b\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6b21\u306f\u4e0a\u8a18\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u5b9f\u6a5f\u3067\u8a2d\u5b9a\u3068\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u3092\u5b9f\u65bd\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<center><a href=\"https:\/\/px.a8.net\/svt\/ejp?a8mat=3ZBDJ9+B1459U+529E+5ZMCH\" rel=\"nofollow\">\n<img decoding=\"async\" border=\"0\" width=\"300\" height=\"250\" alt=\"\" src=\"https:\/\/www22.a8.net\/svt\/bgt?aid=240715845667&#038;wid=001&#038;eno=01&#038;mid=s00000023621001006000&#038;mc=1\"><\/a>\n<img decoding=\"async\" border=\"0\" width=\"1\" height=\"1\" src=\"https:\/\/www10.a8.net\/0.gif?a8mat=3ZBDJ9+B1459U+529E+5ZMCH\" alt=\"\"><\/center>\n\n\n\n<div class=\"swell-block-button red_ is-style-btn_solid\" data-id=\"93017196\"><a href=\"https:\/\/px.a8.net\/svt\/ejp?a8mat=3ZBDJ9+B1459U+529E+5ZMCH\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3076\u306a\u3089\u300cWin\u30b9\u30af\u30fc\u30eb\u300d<\/span><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u969b\u306bBGP Unnumbered\u3092\u8a2d\u5b9a\u3057\u3066\u307f\u3088\u3046<\/h2>\n\n\n\n<p>\u4eca\u56de\u306e\u52d5\u4f5c\u78ba\u8a8d\u306fCisco Nexus OS\uff08NX-OS\uff09\u3067\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u691c\u8a3c\u69cb\u6210\u306f\u5358\u7d14\u306b\u306f\u306a\u308a\u307e\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group has-border -border01\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<center><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" version=\"1.1\" width=\"792px\" viewBox=\"-0.5 -0.5 792 94\" content=\"&lt;mxfile host=&quot;Electron&quot; modified=&quot;2024-07-20T06:33:10.579Z&quot; agent=&quot;Mozilla\/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit\/537.36 (KHTML, like Gecko) draw.io\/21.6.5 Chrome\/114.0.5735.243 Electron\/25.3.1 Safari\/537.36&quot; etag=&quot;6aFKb78aXhFjIzrgb3_D&quot; version=&quot;21.6.5&quot; type=&quot;device&quot;&gt;&#10;  &lt;diagram name=&quot;Page-1&quot; id=&quot;vC6j7NoFI20E82ymZNuT&quot;&gt;&#10;    &lt;mxGraphModel dx=&quot;954&quot; dy=&quot;674&quot; grid=&quot;1&quot; gridSize=&quot;10&quot; guides=&quot;1&quot; tooltips=&quot;1&quot; connect=&quot;1&quot; arrows=&quot;1&quot; fold=&quot;1&quot; page=&quot;1&quot; pageScale=&quot;1&quot; pageWidth=&quot;1654&quot; pageHeight=&quot;1169&quot; math=&quot;0&quot; shadow=&quot;0&quot;&gt;&#10;      &lt;root&gt;&#10;        &lt;mxCell id=&quot;0&quot; \/&gt;&#10;        &lt;mxCell id=&quot;1&quot; parent=&quot;0&quot; \/&gt;&#10;        &lt;mxCell id=&quot;yFPE4O635dZzb0r4uYxP-3&quot; style=&quot;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;exitPerimeter=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;entryPerimeter=0;endArrow=none;endFill=0;strokeWidth=3;&quot; edge=&quot;1&quot; parent=&quot;1&quot; source=&quot;yFPE4O635dZzb0r4uYxP-1&quot; target=&quot;yFPE4O635dZzb0r4uYxP-2&quot;&gt;&#10;          &lt;mxGeometry relative=&quot;1&quot; as=&quot;geometry&quot; \/&gt;&#10;        &lt;\/mxCell&gt;&#10;        &lt;mxCell id=&quot;yFPE4O635dZzb0r4uYxP-1&quot; value=&quot;&quot; style=&quot;shape=mxgraph.cisco.routers.router;sketch=0;html=1;pointerEvents=1;dashed=0;fillColor=#036897;strokeColor=#ffffff;strokeWidth=2;verticalLabelPosition=bottom;verticalAlign=top;align=center;outlineConnect=0;&quot; vertex=&quot;1&quot; parent=&quot;1&quot;&gt;&#10;          &lt;mxGeometry x=&quot;200&quot; y=&quot;300&quot; 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value=&quot;Eth1\/2&quot; style=&quot;text;html=1;strokeColor=none;fillColor=none;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;&quot; vertex=&quot;1&quot; parent=&quot;1&quot;&gt;&#10;          &lt;mxGeometry x=&quot;580&quot; y=&quot;300&quot; width=&quot;60&quot; height=&quot;30&quot; as=&quot;geometry&quot; \/&gt;&#10;        &lt;\/mxCell&gt;&#10;        &lt;mxCell id=&quot;yFPE4O635dZzb0r4uYxP-8&quot; value=&quot;Loopback 0&amp;lt;br&amp;gt;10.3.0.1\/32&amp;lt;br&amp;gt;2400:3000:1:1::1\/128&quot; style=&quot;text;html=1;strokeColor=default;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;rounded=0;strokeWidth=2;dashed=1;dashPattern=1 1;&quot; vertex=&quot;1&quot; parent=&quot;1&quot;&gt;&#10;          &lt;mxGeometry x=&quot;70&quot; y=&quot;300&quot; width=&quot;120&quot; height=&quot;48.5&quot; as=&quot;geometry&quot; \/&gt;&#10;        &lt;\/mxCell&gt;&#10;        &lt;mxCell id=&quot;yFPE4O635dZzb0r4uYxP-9&quot; value=&quot;Loopback 0&amp;lt;br&amp;gt;10.2.0.1\/32&amp;lt;br&amp;gt;2400:2000:1:1::1\/128&quot; style=&quot;text;html=1;strokeColor=default;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;rounded=0;strokeWidth=2;dashed=1;dashPattern=1 1;&quot; vertex=&quot;1&quot; parent=&quot;1&quot;&gt;&#10;          &lt;mxGeometry x=&quot;740&quot; y=&quot;300&quot; width=&quot;120&quot; height=&quot;48.5&quot; as=&quot;geometry&quot; \/&gt;&#10;        &lt;\/mxCell&gt;&#10;      &lt;\/root&gt;&#10;    &lt;\/mxGraphModel&gt;&#10;  &lt;\/diagram&gt;&#10;&lt;\/mxfile&gt;&#10;\" onclick=\"(function(svg){var src=window.event.target||window.event.srcElement;while (src!=null&amp;&amp;src.nodeName.toLowerCase()!='a'){src=src.parentNode;}if(src==null){if(svg.wnd!=null&amp;&amp;!svg.wnd.closed){svg.wnd.focus();}else{var r=function(evt){if(evt.data=='ready'&amp;&amp;evt.source==svg.wnd){svg.wnd.postMessage(decodeURIComponent(svg.getAttribute('content')),'*');window.removeEventListener('message',r);}};window.addEventListener('message',r);svg.wnd=window.open('https:\/\/viewer.diagrams.net\/?client=1&amp;page=0');}}})(this);\" style=\"cursor:pointer;max-width:100%;max-height:94px;\"><defs\/><g><path d=\"M 209 66.5 L 571 66.5\" fill=\"none\" stroke=\"rgb(0, 0, 0)\" stroke-width=\"3\" stroke-miterlimit=\"10\" pointer-events=\"stroke\"\/><rect x=\"131\" y=\"40\" width=\"78\" height=\"53\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><path d=\"M 209 55.38 C 209 63.85 191.61 70.74 169.99 70.74 C 148.39 70.74 131 63.85 131 55.38 C 131 77.64 131 77.64 131 77.64 C 131 86.11 148.39 93 169.99 93 C 191.61 93 209 86.11 209 77.64 Z M 169.99 70.74 C 191.61 70.74 209 63.85 209 55.38 C 209 46.89 191.61 40 169.99 40 C 148.39 40 131 46.89 131 55.38 C 131 63.85 148.39 70.74 169.99 70.74 Z\" fill=\"#036897\" stroke=\"#ffffff\" stroke-width=\"2\" stroke-linejoin=\"round\" stroke-miterlimit=\"10\" pointer-events=\"all\"\/><path d=\"M 161.04 49.54 L 164.2 54.31 L 152.08 56.97 L 154.72 54.84 L 136.27 51.66 L 141.01 47.95 L 158.92 51.13 Z M 178.44 61.2 L 175.8 56.43 L 186.86 53.79 L 185.28 55.9 L 203.2 59.08 L 198.99 62.26 L 180.54 59.08 Z M 172.11 46.89 L 184.22 43.71 L 184.76 48.48 L 181.6 47.95 L 175.8 53.25 L 169.99 52.2 L 175.8 47.43 Z M 166.83 65.97 L 155.24 68.1 L 154.72 62.26 L 158.4 63.33 L 164.73 57.49 L 170.53 58.56 L 163.67 64.92 Z\" fill=\"#ffffff\" stroke=\"none\" pointer-events=\"all\"\/><rect x=\"571\" y=\"40\" width=\"78\" height=\"53\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><path d=\"M 649 55.38 C 649 63.85 631.61 70.74 609.99 70.74 C 588.39 70.74 571 63.85 571 55.38 C 571 77.64 571 77.64 571 77.64 C 571 86.11 588.39 93 609.99 93 C 631.61 93 649 86.11 649 77.64 Z M 609.99 70.74 C 631.61 70.74 649 63.85 649 55.38 C 649 46.89 631.61 40 609.99 40 C 588.39 40 571 46.89 571 55.38 C 571 63.85 588.39 70.74 609.99 70.74 Z\" fill=\"#036897\" stroke=\"#ffffff\" stroke-width=\"2\" stroke-linejoin=\"round\" stroke-miterlimit=\"10\" pointer-events=\"all\"\/><path d=\"M 601.04 49.54 L 604.2 54.31 L 592.08 56.97 L 594.72 54.84 L 576.27 51.66 L 581.01 47.95 L 598.92 51.13 Z M 618.44 61.2 L 615.8 56.43 L 626.86 53.79 L 625.28 55.9 L 643.2 59.08 L 638.99 62.26 L 620.54 59.08 Z M 612.11 46.89 L 624.22 43.71 L 624.76 48.48 L 621.6 47.95 L 615.8 53.25 L 609.99 52.2 L 615.8 47.43 Z M 606.83 65.97 L 595.24 68.1 L 594.72 62.26 L 598.4 63.33 L 604.73 57.49 L 610.53 58.56 L 603.67 64.92 Z\" fill=\"#ffffff\" stroke=\"none\" pointer-events=\"all\"\/><rect x=\"125\" y=\"0\" width=\"90\" height=\"30\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 88px; height: 1px; padding-top: 15px; margin-left: 126px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 16px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\">Router3<\/div><\/div><\/div><\/foreignObject><text x=\"170\" y=\"20\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"16px\" text-anchor=\"middle\">Router3<\/text><\/switch><\/g><rect x=\"580\" y=\"0\" width=\"60\" height=\"30\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 58px; height: 1px; padding-top: 15px; margin-left: 581px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 16px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\">Router1<\/div><\/div><\/div><\/foreignObject><text x=\"610\" y=\"20\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"16px\" text-anchor=\"middle\">Router1<\/text><\/switch><\/g><rect x=\"200\" y=\"40\" width=\"60\" height=\"30\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 58px; height: 1px; padding-top: 55px; margin-left: 201px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\">Eth1\/2<\/div><\/div><\/div><\/foreignObject><text x=\"230\" y=\"59\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\" text-anchor=\"middle\">Eth1\/2<\/text><\/switch><\/g><rect x=\"511\" y=\"40\" width=\"60\" height=\"30\" fill=\"none\" stroke=\"none\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe center; width: 58px; height: 1px; padding-top: 55px; margin-left: 512px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: center;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\">Eth1\/2<\/div><\/div><\/div><\/foreignObject><text x=\"541\" y=\"59\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\" text-anchor=\"middle\">Eth1\/2<\/text><\/switch><\/g><rect x=\"1\" y=\"40\" width=\"120\" height=\"48.5\" fill=\"none\" stroke=\"rgb(0, 0, 0)\" stroke-width=\"2\" stroke-dasharray=\"2 2\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 118px; height: 1px; padding-top: 64px; margin-left: 3px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: left;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\">Loopback 0<br \/>10.3.0.1\/32<br \/>2400:3000:1:1::1\/128<\/div><\/div><\/div><\/foreignObject><text x=\"3\" y=\"68\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\">Loopback 0&#8230;<\/text><\/switch><\/g><rect x=\"671\" y=\"40\" width=\"120\" height=\"48.5\" fill=\"none\" stroke=\"rgb(0, 0, 0)\" stroke-width=\"2\" stroke-dasharray=\"2 2\" pointer-events=\"all\"\/><g transform=\"translate(-0.5 -0.5)\"><switch><foreignObject pointer-events=\"none\" width=\"100%\" height=\"100%\" requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\" style=\"overflow: visible; text-align: left;\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 118px; height: 1px; padding-top: 64px; margin-left: 673px;\"><div data-drawio-colors=\"color: rgb(0, 0, 0); \" style=\"box-sizing: border-box; font-size: 0px; text-align: left;\"><div style=\"display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;\">Loopback 0<br \/>10.2.0.1\/32<br \/>2400:2000:1:1::1\/128<\/div><\/div><\/div><\/foreignObject><text x=\"673\" y=\"68\" fill=\"rgb(0, 0, 0)\" font-family=\"Helvetica\" font-size=\"12px\">Loopback 0&#8230;<\/text><\/switch><\/g><\/g><switch><g requiredFeatures=\"http:\/\/www.w3.org\/TR\/SVG11\/feature#Extensibility\"\/><a transform=\"translate(0,-5)\" xlink:href=\"https:\/\/www.drawio.com\/doc\/faq\/svg-export-text-problems\" target=\"_blank\" rel=\"noopener\"><text text-anchor=\"middle\" font-size=\"10px\" x=\"50%\" y=\"100%\">Text is not SVG &#8211; cannot display<\/text><\/a><\/switch><\/svg><\/center>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">BGP Uunumbered\u8a2d\u5b9a\u6642\u306e\u52d5\u4f5c<\/h3>\n\n\n\n<p>\u4eca\u56de\u306e\u8a2d\u5b9a\u3067\u306f<strong><span style=\"color:#008000\" class=\"swl-inline-color\"><span class=\"swl-marker mark_green\">\u300cipv6 address use-link-local-only\u300d\u3067Unnumbered\u3092\u8a2d\u5b9a<\/span><\/span><\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u4e0a\u3067<strong><span style=\"color:#008000\" class=\"swl-inline-color\"><span class=\"swl-marker mark_green\">BGP\u914d\u4e0b\u306e\u8a2d\u5b9a\u306b\u300cneighbor \uff08\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u540d\uff09\u300d\u3067\u8a2d\u5b9a<\/span><\/span><\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Router1\u306e\u8a2d\u5b9a<\/h4>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>interface Ethernet1\/2\n  no switchport\n  speed 1000\n  ip forward\n  <strong><span style=\"color:#00ff00\" class=\"swl-inline-color\">ipv6 address use-link-local-only<\/span><\/strong>\n  ipv6 link-local use-bia\n  ipv6 nd ra-interval 4 min 3\n  ipv6 nd ra-lifetime 10\n  no shutdown\n\nrouter bgp 65000\n  bestpath as-path multipath-relax\n  address-family ipv4 unicast\n    network 10.2.0.1\/32\n  address-family ipv6 unicast\n    network 2400:2000:1:1::1\/128\n<strong><span style=\"color:#00ff00\" class=\"swl-inline-color\">  neighbor Ethernet1\/3\n    remote-as 65001\n    address-family ipv4 unicast\n    address-family ipv6 unicast<\/span><\/strong><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Router3\u306e\u8a2d\u5b9a<\/h4>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>interface Ethernet1\/2\n  no switchport\n  speed 1000\n  ip forward\n  <strong><span style=\"color:#00ff00\" class=\"swl-inline-color\">ipv6 address use-link-local-only<\/span><\/strong>\n  ipv6 link-local use-bia\n  ipv6 nd ra-interval 4 min 3\n  ipv6 nd ra-lifetime 10\n  no shutdown\n\nrouter bgp 65002\n  address-family ipv4 unicast\n    network 10.3.0.1\/32\n  address-family ipv6 unicast\n    network 2400:3000:1:1::1\/128\n<strong><span style=\"color:#00ff00\" class=\"swl-inline-color\">  neighbor Ethernet1\/2\n    remote-as 65000\n    address-family ipv4 unicast\n    address-family ipv6 unicast<\/span><\/strong><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">BGP\u30d4\u30a2 Up\/Down\u306e\u524d\u5f8c\u3092\u78ba\u8a8d<\/h4>\n\n\n\n<p>BGP\u30d4\u30a2 Down\u6642\u306e\u72b6\u614b\u78ba\u8a8d\u306e\u30ed\u30b0\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>ROuter3# show int status\n--------------------------------------------------------------------------------\nPort          Name               Status    Vlan      Duplex  Speed   Type\n--------------------------------------------------------------------------------\nEth1\/1        --                 notconnec 1         auto    auto    10g\nEth1\/2        --                 disabled  routed    auto    1000    10g\n\nROuter3# show ipv6 bgp summary\nBGP summary information for VRF default, address family IPv6 Unicast\nBGP router identifier 10.3.0.1, local AS number 65002\nBGP table version is 4, IPv6 Unicast config peers 1, capable peers 0\n1 network entries and 1 paths using 256 bytes of memory\nBGP attribute entries &#91;1\/172], BGP AS path entries &#91;0\/0]\nBGP community entries &#91;0\/0], BGP clusterlist entries &#91;0\/0]\n\nNeighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up\/Down  State\/PfxRcd\nROuter3# show ip bgp summary\nBGP summary information for VRF default, address family IPv4 Unicast\nBGP router identifier 10.3.0.1, local AS number 65002\nBGP table version is 3, IPv4 Unicast config peers 1, capable peers 0\n1 network entries and 1 paths using 244 bytes of memory\nBGP attribute entries &#91;1\/172], BGP AS path entries &#91;0\/0]\nBGP community entries &#91;0\/0], BGP clusterlist entries &#91;0\/0]\n\nNeighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up\/Down  State\/PfxRcd\nROuter3#<\/code><\/pre>\n\n\n\n<p>\u8a2d\u5b9a\u5909\u66f4\u5f8c\u306e\u72b6\u614b\u3067\u306f\u3057\u3063\u304b\u308aBGP\u304cUP\u3057\u3066\u304a\u308a\u3001IF\u306b\u3088\u308b\u30cd\u30a4\u30d0\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>ROuter3# show int status\n--------------------------------------------------------------------------------\nPort          Name               Status    Vlan      Duplex  Speed   Type\n--------------------------------------------------------------------------------\nEth1\/1        --                 notconnec 1         auto    auto    10g\nEth1\/2        --                 connected routed    full    1000    10g\n\nROuter3# show ip bgp summary\nBGP summary information for VRF default, address family IPv4 Unicast\nBGP router identifier 10.3.0.1, local AS number 65002\nBGP table version is 5, IPv4 Unicast config peers 1, capable peers 1\n2 network entries and 2 paths using 488 bytes of memory\nBGP attribute entries &#91;2\/344], BGP AS path entries &#91;1\/6]\nBGP community entries &#91;0\/0], BGP clusterlist entries &#91;0\/0]\n\nNeighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up\/Down  State\/PfxRcd\n<strong><span style=\"color:#00ff00\" class=\"swl-inline-color\">fe80::5201:ff:fe00:102%Ethernet1\/2\n                4 65000      11       9        5    0    0 00:00:18 1<\/span><\/strong>\nROuter3# show ipv6 bgp summary\nBGP summary information for VRF default, address family IPv6 Unicast\nBGP router identifier 10.3.0.1, local AS number 65002\nBGP table version is 6, IPv6 Unicast config peers 1, capable peers 1\n2 network entries and 2 paths using 512 bytes of memory\nBGP attribute entries &#91;2\/344], BGP AS path entries &#91;1\/6]\nBGP community entries &#91;0\/0], BGP clusterlist entries &#91;0\/0]\n\nNeighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up\/Down  State\/PfxRcd\n<strong><span style=\"color:#00ff00\" class=\"swl-inline-color\">fe80::5201:ff:fe00:102%Ethernet1\/2\n                4 65000      11       9        6    0    0 00:00:22 1<\/span><\/strong>\nROuter3# show ip bgp\nBGP routing table information for VRF default, address family IPv4 Unicast\nBGP table version is 5, Local Router ID is 10.3.0.1\nStatus: s-suppressed, x-deleted, S-stale, d-dampened, h-history, *-valid, >-best\nPath type: i-internal, e-external, c-confed, l-local, a-aggregate, r-redist, I-injected\nOrigin codes: i - IGP, e - EGP, ? - incomplete, | - multipath, &amp; - backup, 2 - best2\n\n   Network            Next Hop            Metric     LocPrf     Weight Path\n*>e10.2.0.1\/32        <strong><span style=\"color:#00ff00\" class=\"swl-inline-color\">fe80::5201:ff:fe00:102<\/span><\/strong>\n                                                                     0 65000 i\n*>l10.3.0.1\/32        0.0.0.0                           100      32768 i\n\nROuter3# show ipv6 bgp\nBGP routing table information for VRF default, address family IPv6 Unicast\nBGP table version is 6, Local Router ID is 10.3.0.1\nStatus: s-suppressed, x-deleted, S-stale, d-dampened, h-history, *-valid, >-best\nPath type: i-internal, e-external, c-confed, l-local, a-aggregate, r-redist, I-injected\nOrigin codes: i - IGP, e - EGP, ? - incomplete, | - multipath, &amp; - backup, 2 - best2\n\n   Network            Next Hop            Metric     LocPrf     Weight Path\n*>e2400:2000:1:1::1\/128\n                      <strong><span style=\"color:#00ff00\" class=\"swl-inline-color\">fe80::5201:ff:fe00:102<\/span><\/strong>\n                                                                     0 65000 i\n*>l2400:3000:1:1::1\/128\n                      0::                               100      32768 i\n<\/code><\/pre>\n\n\n\n<p>\u307e\u305f\u3001\u300cshow ip bgp\u300d\u3067\u78ba\u8a8d\u3059\u308b\u3068\u3001IPv4 Prefix\u306eNext Hop\u304cIPv6\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3057\u3066\u3001BGP\u30d4\u30a2 UP\u6642\u306b\u6d41\u308c\u305f\u30d1\u30b1\u30c3\u30c8\u306e\u4e2d\u306bRFC\u901a\u308a\u306b\u306a\u3063\u3066\u3044\u308b\u78ba\u8a8d\u3092\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-photo_frame\"><img decoding=\"async\" width=\"1024\" height=\"446\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Unnumbered_Packet1-1024x446.png\" alt=\"\" class=\"wp-image-2951\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Unnumbered_Packet1-1024x446.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Unnumbered_Packet1-300x131.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Unnumbered_Packet1-768x335.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Unnumbered_Packet1-1536x669.png 1536w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/07\/Unnumbered_Packet1.png 1873w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">\u8d64\u67a0\u306e\u4e2d\u3092\u78ba\u8a8d\u3059\u308b\u3068\u300cType Code\u304c5\u3068\u306a\u3063\u3066\u304a\u308a\u3001&lt;AFI\/SAFI>\u304c&lt;1\/1>\u3001Nexthop AFI\u304cIPv6\u3092\u793a\u3059\u300c2\u300d\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/strong><\/p>\n\n\n\n<p>\u307e\u305f\u3001<strong><span style=\"color:#008000\" class=\"swl-inline-color\"><span class=\"swl-marker mark_green\">BGP 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