{"id":806,"date":"2010-10-06T16:37:37","date_gmt":"2010-10-06T07:37:37","guid":{"rendered":"http:\/\/www.itbook.info\/web\/2010\/10\/bfd%e3%81%8crfc%e3%81%ab%e7%99%bb%e9%8c%b2\/"},"modified":"2010-10-06T16:37:37","modified_gmt":"2010-10-06T07:37:37","slug":"bfd%e3%81%8crfc%e3%81%ab%e7%99%bb%e9%8c%b2","status":"publish","type":"post","link":"https:\/\/www.itbook.info\/web\/2010\/10\/bfd%e3%81%8crfc%e3%81%ab%e7%99%bb%e9%8c%b2.html","title":{"rendered":"BFD\u304cRFC\u306b\u767b\u9332"},"content":{"rendered":"<aside class=\"row veu_insertAds before\"><div class=\"col-md-12\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n                        <!-- cat_\u4e0a\u90e8 -->\r\n                        <ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-6102004203189610\" data-ad-slot=\"9628163001\" data-ad-format=\"auto\"><\/ins>\r\n                        <script>\r\n                        (adsbygoogle = window.adsbygoogle || []).push({});\r\n                        <\/script><\/div><\/aside><p style=\"font-family: 'MS PGothic'; font-size: medium;\">\u3042\u30fc\u3001\u306a\u3093\u304b\u77e5\u3089\u306a\u3044\u9593\u306bBFD(Bidirectional Forwarding Detection) \u304cRFC\u5316\u3055\u308c\u3066\u305f\u3002<\/p>\n<blockquote style=\"font-family: 'MS PGothic'; font-size: medium;\">\n<p><a href=\"http:\/\/blog.ioshints.info\/2010\/06\/bfd-has-reached-rfc-status.html\">Ioshints: BFD has reached RFC status<\/a><\/p>\n<p>Bidirectional Forwarding Detection (BFD) protocol has finally been published as a series of RFCs.<\/p>\n<\/blockquote>\n<p style=\"font-family: 'MS PGothic'; font-size: medium;\">BFD\u306e\u6a19\u6e96\u5316\u3082\u305a\u3044\u3076\u3093\u9577\u3044\u3053\u3068\u691c\u8a0e\u3055\u308c\u3066\u3044\u305f\u6c17\u304c\u3057\u307e\u3059\u3002<\/p>\n<ul style=\"font-family: 'MS PGothic'; font-size: medium;\">\n<li><a style=\"color: #5588aa; text-decoration: none;\" href=\"http:\/\/tools.ietf.org\/html\/rfc5882\">When, where and how should BFD be used (RFC 5882)<\/a>. This one is mandatory; it gives you a good overview of what BFD can and cannot do as well as where and how to use it.<\/li>\n<li><a style=\"color: #5588aa; text-decoration: none;\" href=\"http:\/\/tools.ietf.org\/html\/rfc5880\">BFD: the protocol (RFC 5880)<\/a>. The protocol description. Not as boring as some other protocol descriptions are. If you want to understand how the&nbsp;<em>Echo<\/em>function works, make sure you read this one.<\/li>\n<li><a style=\"color: #5588aa; text-decoration: none;\" href=\"http:\/\/tools.ietf.org\/html\/rfc5881\">BFD for single-hop IPv4 and IPv6 (RFC 5881)<\/a>. The dirty details of using BFD for single-hop IPv4 and IPv6 failure detection.<\/li>\n<li><a style=\"color: #5588aa; text-decoration: none;\" href=\"http:\/\/tools.ietf.org\/html\/rfc5883\">Multihop BFD (RFC 5883)<\/a>. Extensions to RFC 5881 needed to support BFD in multihop scenarios (IBGP sessions, multihop EBGP sessions, OSPF virtual links).<\/li>\n<li><a style=\"color: #999999; text-decoration: none;\" href=\"http:\/\/tools.ietf.org\/html\/rfc5884\">BFD for MPLS LSP (RFC 5884)<\/a>. This one allows you to test PE-to-PE forwarding path. Ideal for very quick rerouting around data-plane failures in MPLS VPN networks (not implemented in IOS yet).<\/li>\n<li><a style=\"color: #5588aa; text-decoration: none;\" href=\"http:\/\/tools.ietf.org\/html\/rfc5885\">BFD for pseudowires (RFC 5885)<\/a>. Allows you to test data-plane consistency of pseudowires established across your MPLS network.<\/li>\n<\/ul>\n<p style=\"font-family: 'MS PGothic'; font-size: medium;\">\u305d\u3046\u3044\u3048\u3070\u3001BFD\u306b\u3064\u3044\u3066\u306e\u89e3\u8aac\u3063\u3066\u3084\u3063\u3066\u306a\u304b\u3063\u305f\u306a\u3041\u3002<\/p>\n<p style=\"font-family: 'MS PGothic'; font-size: medium;\">\u6a5f\u4f1a\u304c\u3042\u308c\u3070\u66f8\u3044\u3066\u307f\u3088\u3046\u304b\u306a\u3002<\/p>\n<aside class=\"row veu_insertAds after\"><div class=\"col-md-12\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n                        <!-- cat_\u4e0a\u90e8 -->\r\n                        <ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-6102004203189610\" data-ad-slot=\"9628163001\" data-ad-format=\"auto\"><\/ins>\r\n                        <script>\r\n                        (adsbygoogle = window.adsbygoogle || []).push({});\r\n                        <\/script><\/div><\/aside>","protected":false},"excerpt":{"rendered":"<p>\u3042\u30fc\u3001\u306a\u3093\u304b\u77e5\u3089\u306a\u3044\u9593\u306bBFD(Bidirectional Forwarding Detection) \u304cRFC\u5316\u3055\u308c\u3066\u305f\u3002 Ioshints: BFD has reached RFC status Bidirectio [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.0 - 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\\u30cd\\u30c3\\u30c8\\u30ef\\u30fc\\u30af\\u30a8\\u30f3\\u30b8\\u30cb\\u30a2\\u304c\\u65e5\\u3005\\u306e\\u51fa\\u6765\\u4e8b\\u3092\\u8a9e\\u308b\",\"isPartOf\":{\"@id\":\"https:\/\/www.itbook.info\/web\/#website\"},\"datePublished\":\"2010-10-06T07:37:37+00:00\",\"dateModified\":\"2010-10-06T07:37:37+00:00\",\"author\":{\"@id\":\"https:\/\/www.itbook.info\/web\/#\/schema\/person\/3707482c5270f902ec5d92dba1db0920\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.itbook.info\/web\/2010\/10\/bfd%e3%81%8crfc%e3%81%ab%e7%99%bb%e9%8c%b2.html\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.itbook.info\/web\/#\/schema\/person\/3707482c5270f902ec5d92dba1db0920\",\"name\":\"na3620\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.itbook.info\/web\/#personlogo\",\"inLanguage\":\"ja\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/1e7e7f8079aa707666c2a1069de805ef?s=96&d=mm&r=g\",\"caption\":\"na3620\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.itbook.info\/web\/wp-json\/wp\/v2\/posts\/806"}],"collection":[{"href":"https:\/\/www.itbook.info\/web\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.itbook.info\/web\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.itbook.info\/web\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.itbook.info\/web\/wp-json\/wp\/v2\/comments?post=806"}],"version-history":[{"count":0,"href":"https:\/\/www.itbook.info\/web\/wp-json\/wp\/v2\/posts\/806\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.itbook.info\/web\/wp-json\/wp\/v2\/media?parent=806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.itbook.info\/web\/wp-json\/wp\/v2\/categories?post=806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.itbook.info\/web\/wp-json\/wp\/v2\/tags?post=806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}