{"id":3274,"date":"2026-01-29T06:29:08","date_gmt":"2026-01-28T21:29:08","guid":{"rendered":"http:\/\/daimaru-tech-blog.com\/?p=3274"},"modified":"2026-01-29T06:29:08","modified_gmt":"2026-01-28T21:29:08","slug":"%e3%80%90bgp%e5%85%a5%e9%96%80%e3%80%91bgp%e3%81%a7%e4%bd%bf%e3%82%8f%e3%82%8c%e3%82%8b%e3%83%a1%e3%83%83%e3%82%bb%e3%83%bc%e3%82%b8%e3%82%bf%e3%82%a4%e3%83%97%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/daimaru-tech-blog.com\/?p=3274","title":{"rendered":"\u3010BGP\u5165\u9580\u3011BGP\u3067\u4f7f\u308f\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30bf\u30a4\u30d7\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\u306f\u3001BGP\u3067\u5229\u7528\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30bf\u30a4\u30d7\u306b\u3064\u3044\u3066\u3001\u307e\u3068\u3081\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"p-blogParts post_content\" data-partsID=\"4012\">\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<\/div>\n\n\n<h2 class=\"wp-block-heading\">5\u7a2e\u985e\u306eBGP\u30e1\u30c3\u30bb\u30fc\u30b8<\/h2>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001BGP\u3067\u5229\u7528\u3055\u308c\u308b5\u7a2e\u985e\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u3064\u3044\u3066\u3001\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5171\u901a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h3>\n\n\n\n<p>5\u3064\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8aac\u660e\u3059\u308b\u524d\u306b\u3001BGP\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u5229\u7528\u3055\u308c\u308b\u5171\u901a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"blue\"><div class=\"c-balloon__icon -circle\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/cropped-\u3060\u3044\u307e\u308b.webp\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><\/div><div class=\"c-balloon__body -speaking -border-on\"><div class=\"c-balloon__text\">\n<p><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">BGP\u30e1\u30c3\u30bb\u30fc\u30b8\u306fTCP 179\u756a\u30dd\u30fc\u30c8\u304c\u4f7f\u308f\u308c\u307e\u3059\uff01<\/span><\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table class=\"has-swl-pale-04-background-color has-background\"><thead style=\"--thead-color--bg:#0000ff;--thead-color--txt:var(--swl-text_color--white)\"><tr><th>\u30d5\u30a3\u30fc\u30eb\u30c9\u540d<\/th><th>\u30aa\u30af\u30c6\u30c3\u30c8\u9577<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>Marker<\/td><td>16<\/td><td>BGP\u30d4\u30a2\u306e\u540c\u671f\u304c\u5b8c\u4e86\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3059<\/td><\/tr><tr><td>Length<\/td><td>2<\/td><td>BGP\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9577\u3055\u3092\u793a\u3059<\/td><\/tr><tr><td>Type<\/td><td>2<\/td><td>BGP\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30bf\u30a4\u30d7\u3092\u793a\u3059\uff081~5\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Type1\uff1aOPEN\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n\n\n\n<p><strong>OPEN\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\u3068\u306f\u3001\u300c<strong>BGP\u30bb\u30c3\u30b7\u30e7\u30f3\u958b\u59cb\u6642\u306b\u9001\u4fe1\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>OPEN\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\u306b\u306f\u3001<strong>BGP\u30d0\u30fc\u30b8\u30e7\u30f3\u3084\u5c5e\u3059\u308bAS\u756a\u53f7\u3001Holdtime\u3001\u30eb\u30fc\u30bfID\u3092\u4fdd\u6301<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table class=\"has-swl-pale-04-background-color has-background\"><thead style=\"--thead-color--bg:#0000ff;--thead-color--txt:var(--swl-text_color--white)\"><tr><th>\u30d5\u30a3\u30fc\u30eb\u30c9\u540d<\/th><th>\u30aa\u30af\u30c6\u30c3\u30c8\u9577<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>\u30d0\u30fc\u30b8\u30e7\u30f3<\/td><td>1<\/td><td>BGP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u8868\u8a18\uff084\u304c\u591a\u3044\uff09<\/td><\/tr><tr><td>My AS<\/td><td>2 <\/td><td>\u9001\u4fe1\u5143\u306eAS\u756a\u53f7<\/td><\/tr><tr><td>Holdtime<\/td><td>2<\/td><td>\u30d4\u30a2\u7dad\u6301\u306e\u95be\u5024\u6642\u9593\uff08\u901a\u5e38\uff1a180\u79d2\uff09<\/td><\/tr><tr><td>Identifier<\/td><td>4<\/td><td>BGP\u30eb\u30fc\u30bf\u306e\u8b58\u5225\u5b50\uff08\u30eb\u30fc\u30bfID\uff09<\/td><\/tr><tr><td>Option<\/td><td>1<\/td><td>\u30aa\u30d7\u30b7\u30e7\u30f3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"p-blogParts post_content\" data-partsID=\"3987\">\n<center>\n    <div class=\"product-banner-container\">\n        <div class=\"image-section\">\n            <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/61X1E-UGdeL._AC_SY879_.jpg\"  class=\"product-main-image\">\n        <\/div>\n        <div class=\"content-section\">\n            <div class=\"product-title\">Anker 622 Magnetic Battery (MagGo)  <\/div>\n            <div class=\"product-subtitle\">\u301c\u30de\u30b0\u30cd\u30c3\u30c8\u5f0f\u30ef\u30a4\u30e4\u30ec\u30b9\u5145\u96fb\u5bfe\u5fdc 5000mAh \u30b3\u30f3\u30d1\u30af\u30c8 \u30e2\u30d0\u30a4\u30eb\u30d0\u30c3\u30c6\u30ea\u30fc\u301c<\/div>\n            <div class=\"button-row\">            \n                <a href=\"https:\/\/amzn.to\/4970PRV\" target=\"_blank\" class=\"buy-button amazon\">\n                    Amazon\u3067\u898b\u308b\n                <\/a>\n                <a href=\"\/\/af.moshimo.com\/af\/c\/click?a_id=3735106&#038;p_id=54&#038;pc_id=54&#038;pl_id=616&#038;url=https%3A%2F%2Fitem.rakuten.co.jp%2Fanker%2Fa1614%2F\" target=\"_blank\" class=\"buy-button rakuten\">\n                    \u697d\u5929\u3067\u898b\u308b\n                <\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/center>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Type2\uff1aUPDATE\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n\n\n\n<p>\u300c<strong>UPDATE\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\u300d\u306f\u3001BGP\u30d4\u30a2\u3092\u78ba\u7acb\u3057\u305f\u30eb\u30fc\u30bf\u540c\u58eb\u3067\u7d4c\u8def\u60c5\u5831\u3092\u4ea4\u63db\u3059\u308b\u305f\u3081\u306b\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u306f\u3001\u8ffd\u52a0\u3084\u5909\u66f4\u3068\u306a\u3063\u305f\u7d4c\u8def\u60c5\u5831\u3092\u4fdd\u6301\u3057\u3001\u5404\u30eb\u30fc\u30bf\u306b\u9001\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table class=\"has-swl-pale-04-background-color has-background\"><thead style=\"--thead-color--bg:#0000ff;--thead-color--txt:var(--swl-text_color--white)\"><tr><th>\u30d5\u30a3\u30fc\u30eb\u30c9\u540d<\/th><th>\u30aa\u30af\u30c6\u30c3\u30c8\u9577<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>Unfeasible routes length<\/td><td>2<\/td><td>Withdrawn\u3068\u306a\u308b\u7d4c\u8def\u306e\u9577\u3055<br>* 0\u306e\u5834\u5408\u306f\u5bfe\u8c61\u3068\u306a\u308b\u7d4c\u8def\u7121\u3057<\/td><\/tr><tr><td>Withdrawn Routes<\/td><td>\u53ef\u5909<\/td><td>Withdrawn\u3068\u306a\u308b\u7d4c\u8def\u306e\u30ea\u30b9\u30c8<br>&#8211; Length\uff1a1\u30aa\u30af\u30c6\u30c3\u30c8\uff08Prefix\u9577\u3092\u793a\u3059\uff09<br>  *0\u306e\u5834\u5408\u306fall match<br>&#8211; Prefix\uff1a16\u9032\u6570\u3067\u8868\u8a18<\/td><\/tr><tr><td>Total Path Attribute Length<\/td><td>2<\/td><td>Path Attribute\u306e\u9577\u3055<br>*0\u306e\u5834\u5408\u3001\u5e83\u5831\u3059\u308b\u7d4c\u8def\u3084Attribute\u304c\u306a\u3044<\/td><\/tr><tr><td>Path Attribute<\/td><td>\u53ef\u5909<\/td><td>\u5404\u7d4c\u8def\u306b\u5bfe\u3059\u308bAttribute\u306e\u30ea\u30b9\u30c8<br>*TLV\u3067\u8868\u8a18<\/td><\/tr><tr><td>Network Layer Reachability Information (NLRI)<\/td><td>\u53ef\u5909<\/td><td>Prefix List\uff082-Tuple LV\u3067\u306e\u8868\u8a18\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"p-blogParts post_content\" data-partsID=\"3963\">\n<center><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-2776062481390161\"\n     crossorigin=\"anonymous\"><\/script>\n<!-- \u30ec\u30b9\u30dd\u30f3\u30b7\u30d6 -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-2776062481390161\"\n     data-ad-slot=\"2830301217\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/center>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Type3\uff1aNOTIFICATION\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n\n\n\n<p>\u300cNOTIFICATION\u30e1\u30c3\u30bb\u30fc\u30b8\u300d\u306f\u3001BGP\u30d4\u30a2\u9593\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u30d4\u30a2\u5207\u65ad\u3092\u884c\u3046\u305f\u3081\u306b\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u30a8\u30e9\u30fc\u7406\u7531\u3092\u793a\u3059\u30b3\u30fc\u30c9\u306f\u3001\u6570\u304c\u304b\u306a\u308a\u591a\u3044\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table class=\"has-swl-pale-04-background-color has-background\"><thead style=\"--thead-color--bg:#0000ff;--thead-color--txt:var(--swl-text_color--white)\"><tr><th>\u30d5\u30a3\u30fc\u30eb\u30c9\u540d<\/th><th>\u30aa\u30af\u30c6\u30c3\u30c8\u9577<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>Error Code<\/td><td>1<\/td><td>\u30a8\u30e9\u30fc\u5185\u5bb9\u306e\u30b3\u30fc\u30c9\u304c\u683c\u7d0d\uff08\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u8868\u306b\u8a18\u8f09\uff09<\/td><\/tr><tr><td>Error Subcode<\/td><td>1<\/td><td>\u30a8\u30e9\u30fc\u5185\u5bb9\u306e\u8a73\u7d30\u30b3\u30fc\u30c9\u304c\u683c\u7d0d\uff08\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u8868\u306b\u8a18\u8f09\uff09<\/td><\/tr><tr><td>Data<\/td><td>\u53ef\u5909<\/td><td>\u30a8\u30e9\u30fc\u30c7\u30fc\u30bf\u3092\u683c\u7d0d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table class=\"has-swl-pale-04-background-color has-background\"><thead style=\"--thead-color--bg:#0000ff;--thead-color--txt:var(--swl-text_color--white)\"><tr><th>\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9<\/th><th>Subcode<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td rowspan=\"3\">1: Message Header Error<\/td><td>1<\/td><td>\u63a5\u7d9a\u304c\u975e\u540c\u671f\u72b6\u614b<\/td><\/tr><tr><td>2<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u9577\u306b\u30a8\u30e9\u30fc<\/td><\/tr><tr><td>3<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u30bf\u30a4\u30d7\u306b\u30a8\u30e9\u30fc<\/td><\/tr><tr><td rowspan=\"7\">2: Open Message Error<\/td><td>1<\/td><td>\u672a\u30b5\u30dd\u30fc\u30c8\u30d0\u30fc\u30b8\u30e7\u30f3<\/td><\/tr><tr><td>2<\/td><td>Peer AS\u306b\u30a8\u30e9\u30fc<\/td><\/tr><tr><td>3<\/td><td>BGP ID\u306b\u30a8\u30e9\u30fc<\/td><\/tr><tr><td>4<\/td><td>\u672a\u30b5\u30dd\u30fc\u30c8\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u30d1\u30e9\u30e1\u30fc\u30bf<\/td><\/tr><tr><td>5<\/td><td>\u8a8d\u8a3c\u5931\u6557<\/td><\/tr><tr><td>6<\/td><td>\u30db\u30fc\u30eb\u30c9\u30bf\u30a4\u30e0\u304c\u53d7\u3051\u53d6\u308c\u3066\u3044\u306a\u3044<\/td><\/tr><tr><td>7<\/td><td>\u672a\u30b5\u30dd\u30fc\u30c8\u306eCapability<\/td><\/tr><tr><td rowspan=\"4\">3: Update Message Error<\/td><td>1<\/td><td>Malformed attirubte\u306e\u30ea\u30b9\u30c8<\/td><\/tr><tr><td>3<\/td><td>Well-known attribute\u306e\u6b20\u5982<\/td><\/tr><tr><td>7<\/td><td>AS\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30eb\u30fc\u30d7<\/td><\/tr><tr><td>8<\/td><td>Next Hop\u304c\u7121\u52b9<\/td><\/tr><tr><td>4: Hold Timer Expire<\/td><td>0<\/td><td>Subcode\u306a\u3057<\/td><\/tr><tr><td>5: FSM Error<\/td><td>0<\/td><td>Subcode\u306a\u3057\uff081~3\u304c\u3042\u308a\u3001\u5404\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225\u306b\u5bfe\u3059\u308b\u30a8\u30e9\u30fc\uff09<\/td><\/tr><tr><td rowspan=\"4\">6: Cease<\/td><td>1<\/td><td>\u6700\u5927Prefix\u6570\u306e\u8d85\u904e<\/td><\/tr><tr><td>2<\/td><td>Admin Down<\/td><\/tr><tr><td>3<\/td><td>Peer\u524a\u9664<\/td><\/tr><tr><td>5<\/td><td>\u63a5\u7d9a\u5931\u6557<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u8868\uff08\u4ee3\u8868\u4f8b\uff09<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Type4\uff1aKEEPALIVE\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n\n\n\n<p>\u300c<strong>KEEPALIVE\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\u300d\u306f\u3001<strong>OPEN\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u5bfe\u3059\u308b\u8fd4\u7b54\u3084\u78ba\u7acb\u3057\u305fBGP\u30d4\u30a2\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u901a\u5e3860\u79d2\u6bce\u306bBGP\u30d4\u30a2\u306e\u76f8\u624b\u3068\u306a\u308b\u30cd\u30a4\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u78ba\u7acb\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table class=\"has-swl-pale-04-background-color has-background\"><thead style=\"--thead-color--bg:#0000ff;--thead-color--txt:var(--swl-text_color--white)\"><tr><th>\u30d5\u30a3\u30fc\u30eb\u30c9\u540d<\/th><th>Byte\u9577<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>Marker<\/td><td>16<\/td><td>BGP\u30d4\u30a2\u306e\u540c\u671f\u304c\u5b8c\u4e86\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3059<\/td><\/tr><tr><td>Length<\/td><td>2 <\/td><td>BGP\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9577\u3055\u3092\u793a\u3059<\/td><\/tr><tr><td>Type<\/td><td>1<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u30bf\u30a4\u30d7\uff081~5\uff09 Keepalive\u306e\u305f\u3081\u300c4\u300d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Type5\uff1aROUTE REFRESH\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n\n\n\n<p>\u300c<strong>ROUTE REFERESH\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\u300d\u306f\u3001<strong>\u7d4c\u8def\u66f4\u65b0\u3092\u5fc5\u8981\u3068\u3059\u308b\u969b\u306b\u518d\u8981\u6c42\u3059\u308b\u305f\u3081\u306b\u5229\u7528<\/strong>\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">\u4e3b\u306bOPEN\u30e1\u30c3\u30bb\u30fc\u30b8\u306eOption\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u5229\u7528<\/span><\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table class=\"has-swl-pale-04-background-color has-background\"><thead style=\"--thead-color--bg:#0000ff;--thead-color--txt:var(--swl-text_color--white)\"><tr><th>\u30d5\u30a3\u30fc\u30eb\u30c9\u540d<\/th><th>Byte\u9577<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>AFI<\/td><td>2<\/td><td>Address Family ID\u306e\u683c\u7d0d\uff08IPv4\/IPv6\u7b49\u306e\u5b9a\u7fa9\uff09<\/td><\/tr><tr><td>Res<\/td><td>1<\/td><td>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff1a0\uff08\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5229\u7528\u3055\u308c\u306a\u3044\uff09<\/td><\/tr><tr><td>SAFI<\/td><td>1<\/td><td>Subsequent AFI\u306e\u683c\u7d0d\uff08\u30e6\u30cb\u30ad\u30e3\u30b9\u30c8\u3084VPNv4\u7b49\u306e\u7528\u9014\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"p-blogParts post_content\" data-partsID=\"4119\">\n<center>\n    <div class=\"product-banner-container\">\n        <div class=\"image-section\">\n            <img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/81QKoBCDcQL._SY522_.jpg\"  class=\"product-main-image\">\n        <\/div>\n        <div class=\"content-section\">\n            <div class=\"product-title\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5165\u9580 \u7b2c3\u7248<\/div>\n            <div class=\"product-subtitle\">\u301c\u56f3\u89e3\u3067\u308f\u304b\u308b\u7d4c\u8def\u5236\u5fa1\u306e\u4ed5\u7d44\u307f!\u301c<\/div>\n            <div class=\"button-row\">            \n                <a href=\"https:\/\/amzn.to\/45pa1OI\" target=\"_blank\" class=\"buy-button amazon\">\n                    Amazon\u3067\u898b\u308b\n                <\/a>\n                 <a href=\"\/\/af.moshimo.com\/af\/c\/click?a_id=3969798&#038;p_id=56&#038;pc_id=56&#038;pl_id=637&#038;url=https%3A%2F%2Fbooks.rakuten.co.jp%2Frk%2Ffb4921254778391d9235bc09de5ab723%2F%3FvariantId%3Dfb4921254778391d9235bc09de5ab723\" target=\"_blank\" class=\"buy-button rakuten\">\n                    \u697d\u5929\u3067\u898b\u308b\n                <\/a>\n\n            <\/div>\n        <\/div>\n    <\/div>\n<\/center>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5f8c\u306b<\/h2>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001BGP\u3067\u5229\u7528\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30bf\u30a4\u30d7\u306b\u3064\u3044\u3066\u3001\u6982\u8981\u7684\u306a\u90e8\u5206\u3092\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6b21\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001BGP\u306e\u57fa\u672c\u8a2d\u5b9a\u3068\u5b9f\u6a5f\u78ba\u8a8d\u3092\u307e\u3068\u3081\u3066\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u3092\u5229\u7528\u3057\u3001\u7d30\u304b\u3044\u90e8\u5206\u307e\u3067\u898b\u3066\u308b\u306e\u3067\u3001\u53c2\u7167\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"swell-block-columns\"><div class=\"swell-block-columns__inner\">\n<div class=\"swell-block-column swl-has-mb--s\">\n<div class=\"wp-block-group is-row is-nowrap is-layout-flex wp-container-core-group-is-layout-ad2f72ca wp-block-group-is-layout-flex\"><div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type2\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u524d\u306e\u8a18\u4e8b\u3078<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/03\/BGP_Status_Attribute_Icatch-300x171.png\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/daimaru-tech-blog.com\/?p=620\" target=\"_blank\" rel=\"noopener noreferrer\">\u3010BGP\u5165\u9580\u3011BGP\u306e\u57fa\u672c\uff08Status\u7de8\uff09<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"swell-block-column swl-has-mb--s\"><div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type2\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u6b21\u306e\u8a18\u4e8b\u3078<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2026\/01\/\u3010BGP\u3011BGP\u57fa\u672c\u8a2d\u5b9a_ICATCH-300x169.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/daimaru-tech-blog.com\/?p=4174\" target=\"_blank\" rel=\"noopener noreferrer\">\u3010BGP\u5165\u9580\u3011BGP\u306e\u57fa\u672c\u8a2d\u5b9a\u3092\u5b66\u3093\u3067\u307f\u3088\u3046<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u300c\u3060\u3044\u307e\u308b\u300d\u3067\u3059\u3002 \u4eca\u56de\u306f\u3001BGP\u3067\u5229\u7528\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30bf\u30a4\u30d7\u306b\u3064\u3044\u3066\u3001\u307e\u3068\u3081\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 5\u7a2e\u985e\u306eBGP\u30e1\u30c3\u30bb\u30fc\u30b8 \u672c\u8a18\u4e8b\u3067\u306f\u3001BGP\u3067\u5229\u7528\u3055\u308c\u308b5\u7a2e\u985e\u306e\u30e1\u30c3\u30bb\u30fc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4130,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[616,607],"tags":[778,109,65,66,41,64,777,774,773,776,775,39,771,772],"class_list":["post-3274","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bgp","category-607","tag-as","tag-bgp","tag-ccna","tag-ccnp","tag-cisco","tag-ios","tag-keep-alive","tag-notification","tag-open","tag-route-refresh","tag-update","tag-39","tag-771","tag-772"],"_links":{"self":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts\/3274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3274"}],"version-history":[{"count":9,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts\/3274\/revisions"}],"predecessor-version":[{"id":4205,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts\/3274\/revisions\/4205"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/media\/4130"}],"wp:attachment":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}