{"id":1402,"date":"2021-04-30T02:52:08","date_gmt":"2021-04-29T17:52:08","guid":{"rendered":"http:\/\/ts-engine.net\/?p=1402"},"modified":"2021-04-30T02:52:08","modified_gmt":"2021-04-29T17:52:08","slug":"bgp%e3%81%a7%e4%bd%bf%e3%81%88%e3%82%8b%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e5%82%99%e5%bf%98%e3%81%a8%e3%81%97%e3%81%a6%e3%83%a1%e3%83%a2%e3%82%92%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"http:\/\/ts-engine.net\/?p=1402","title":{"rendered":"BGP\u3067\u4f7f\u3048\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5099\u5fd8\u3068\u3057\u3066\u30e1\u30e2\u3092\u3059\u308b"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">AS_PATH_PREPEND\u3092\u4f7f\u3063\u3066WAN\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u306e\u512a\u5148\u5ea6\u3092\u3064\u3051\u308b<\/h2>\n\n\n\n<p>AS_PATH_PREPEND\u3092\u4ed8\u3051\u308b\u3053\u3068\u3067MPLS\u7db2\u304b\u3089\u304f\u308b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u62e0\u70b9A\u3001\u62e0\u70b9B\u304c\u3042\u308b\u3068\u304d\u306b\u3001\u62e0\u70b9A\u304c\u30e1\u30a4\u30f3\u62e0\u70b9\u3001\u62e0\u70b9B\u304cDR\u62e0\u70b9\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u540c\u3058IP\u30a2\u30c9\u30ec\u30b9\u3092Advertise\u3059\u308b\u306a\u3069\u306e\u30b1\u30fc\u30b9\u304c\u3042\u308b\u3068\u601d\u3046\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u969b\u306b\u3001\u62e0\u70b9A\u3068\u62e0\u70b9B\u304c\u540c\u3058IP\u30a2\u30c9\u30ec\u30b9\u306e\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u3001MPLS\u3092\u4f7f\u3063\u3066\u3044\u308b\u62e0\u70b9\u304b\u3089\u306f\u62e0\u70b9A\u306b\u901a\u4fe1\u3092\u6d41\u3057\u3001\u62e0\u70b9A\u304c\u6b7b\u3093\u3060\u3068\u304d\u306b\u62e0\u70b9B\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6d41\u3059\u3068\u3044\u3046\u8a2d\u8a08\u306f\u308f\u308a\u3068\u884c\u308f\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u6642\u306b\u5229\u7528\u3067\u304d\u308b\u306e\u304cAS_PATH prepend\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u62e0\u70b9B\u5074\u3067AS_PATH Prepend\u3092\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u3067\u914d\u4fe1\u3059\u308b\u3002\u305d\u306e\u7d50\u679c\u3001\u62e0\u70b9B\u5074\u306f\u512a\u5148\u7684\u306b\u5229\u7528\u3055\u308c\u306a\u304f\u306a\u308b\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p><code>neighbor x.x.x.x route-map hoge out<\/code><\/p>\n\n\n\n<p><code>route-map hoge permit 10<\/code><\/p>\n\n\n\n<p><code>set as-path prepend xxxxx xxxxx<\/code><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MED\u5024\u3092\u4f7f\u3063\u3066BGP\u30d4\u30a2\u3092\u306f\u3063\u3066\u308b\u30eb\u30fc\u30bf\u304b\u3089\u306e\u901a\u4fe1\u3092\u5236\u5fa1<\/h2>\n\n\n\n<p>as_path prepend\u306e\u5834\u5408\u306f\u3001MPLS\u306e\u62e0\u70b9\u304b\u3089\u3069\u306e\u62e0\u70b9\u306b\u901a\u4fe1\u3092\u3059\u308b\u304b\u3001\u3068\u3044\u3046\u3068\u3053\u308d\u3067\u5236\u5fa1\u3057\u3066\u3044\u305f\u3002<\/p>\n\n\n\n<p>MED\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001BGP\u30d4\u30a2\u3092\u5f35\u3063\u3066\u3044\u308b\u30eb\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u306e\u5236\u5fa1\u3092\u53ef\u80fd\u306b\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u5197\u9577\u6027\u306b\u5229\u7528\u3067\u304d\u308b\u3002\u62e0\u70b9A\u304b\u3089BGP\u30eb\u30fc\u30bf\u3092\u4e8c\u3064\u7528\u610f\u3057\u3001\u4e8c\u3064\u306e\u30eb\u30fc\u30bf\u304b\u3089\u30d4\u30a2\u3092\u5f35\u308b\u5834\u5408\u3001\u3069\u3063\u3061\u306e\u30eb\u30fc\u30bf\u3092\u30e1\u30a4\u30f3\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u304b\u3001\u3068\u3044\u3046\u3053\u3068\u3067MED\u3092\u4f7f\u3046\u3068\u512a\u5148\u30eb\u30fc\u30bf\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u306f100\u306a\u306e\u3067\u3001\u4ee5\u4e0b\u306e\u4f8b\u306f\u30bb\u30ab\u30f3\u30c0\u30ea\u30fc\u306e\u30eb\u30fc\u30bf\u306e\u8a2d\u5b9a\u309250\u306b\u3057\u3066\u3053\u306e\u30eb\u30fc\u30bf\u3078\u306e\u901a\u4fe1\u7d4c\u8def\u3092\u512a\u5148\u7684\u306b\u4f7f\u308f\u306a\u3044\u8a2d\u5b9a\u306b\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p><code>neighbor x.x.x.x route-map medset out<\/code><\/p>\n\n\n\n<p><code>Route-map medset permit 10<\/code><\/p>\n\n\n\n<p><code>Set metric 50<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Local Preference\u5024\u3092\u4f7f\u3063\u3066\u62e0\u70b9\u304b\u3089\u5916\u306b\u901a\u4fe1\u3059\u308b\u3068\u304d\u306e\u901a\u4fe1\u30eb\u30fc\u30c8\u306e\u5236\u5fa1<\/h2>\n\n\n\n<p>Local Preference \u306fMED\u5024\u306e\u9006\u3067\u3001\u62e0\u70b9\u304b\u3089\u4ed6\u306eAS\u306b\u901a\u4fe1\u3092\u3059\u308b\u3068\u304d\u306b\u3069\u3063\u3061\u306e\u30eb\u30fc\u30bf\u304b\u3089\uff08\u540c\u3058AS\u5185\u306e\uff09\u5916\u3078\u306e\u901a\u4fe1\u3092\u3059\u308b\u304b\u3001\u3068\u3044\u3046\u3053\u3068\u3092\u5236\u5fa1\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3082\u30c7\u30d5\u30a9\u30eb\u30c8\u306f100\u306e\u305f\u3081\u3001\u3044\u304b\u306f\u30bb\u30ab\u30f3\u30c0\u30ea\u30fc\u306e\u30eb\u30fc\u30bf\u306b50\u3092\u30bb\u30c3\u30c8\u3059\u308b\u3053\u3068\u3067<\/p>\n\n\n\n<p>\u30bb\u30ab\u30f3\u30c0\u30ea\u30fc\u30eb\u30fc\u30bf\u3068\u3057\u3066\u306e\u52d5\u304f\u3088\u3046\u306a\u8a2d\u5b9a\u3092\u3055\u305b\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p><code>neighbor x.x.x.x route-map setlocalpref in<\/code><\/p>\n\n\n\n<p><code>Route-map setlocalpref permit 10<\/code><\/p>\n\n\n\n<p><code>&nbsp;Set local-preference 50<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>AS_PATH_PREPEND\u3092\u4f7f\u3063\u3066WAN\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u306e\u512a\u5148\u5ea6\u3092\u3064\u3051\u308b AS_PATH_PREPEND\u3092\u4ed8\u3051\u308b\u3053\u3068\u3067MPLS\u7db2\u304b\u3089\u304f\u308b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002 \u305f\u3068\u3048\u3070\u3001\u62e0\u70b9A\u3001\u62e0\u70b9B\u304c\u3042\u308b\u3068\u304d\u306b\u3001\u62e0\u70b9A\u304c\u30e1\u30a4\u30f3\u62e0\u70b9\u3001\u62e0\u70b9B\u304cDR\u62e0\u70b9\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u540c\u3058IP\u30a2\u30c9\u30ec\u30b9\u3092Advertise\u3059\u308b\u306a\u3069\u306e\u30b1\u30fc\u30b9\u304c\u3042\u308b\u3068\u601d\u3046\u3002 \u305d\u306e\u969b\u306b\u3001\u62e0\u70b9A\u3068\u62e0\u70b9B\u304c\u540c\u3058IP\u30a2\u30c9\u30ec\u30b9\u306e\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u3001MPLS\u3092\u4f7f\u3063\u3066\u3044\u308b\u62e0\u70b9\u304b\u3089\u306f\u62e0\u70b9A\u306b\u901a\u4fe1\u3092\u6d41\u3057\u3001\u62e0\u70b9A\u304c\u6b7b\u3093\u3060\u3068\u304d\u306b\u62e0\u70b9B\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6d41\u3059\u3068\u3044\u3046\u8a2d\u8a08\u306f\u308f\u308a\u3068\u884c\u308f\u308c\u3066\u3044\u308b\u3002 \u3053\u306e\u6642\u306b\u5229\u7528\u3067\u304d\u308b\u306e\u304cAS_PATH prepend\u3067\u3042\u308b\u3002 \u62e0\u70b9B\u5074\u3067AS_PATH Prepend\u3092\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u3067\u914d\u4fe1\u3059\u308b\u3002\u305d\u306e\u7d50\u679c\u3001\u62e0\u70b9B\u5074\u306f\u512a\u5148\u7684\u306b\u5229\u7528\u3055\u308c\u306a\u304f\u306a\u308b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,20,6],"tags":[],"class_list":["post-1402","post","type-post","status-publish","format-standard","hentry","category-26","category-20","category-6"],"_links":{"self":[{"href":"http:\/\/ts-engine.net\/index.php?rest_route=\/wp\/v2\/posts\/1402","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ts-engine.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ts-engine.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ts-engine.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ts-engine.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1402"}],"version-history":[{"count":0,"href":"http:\/\/ts-engine.net\/index.php?rest_route=\/wp\/v2\/posts\/1402\/revisions"}],"wp:attachment":[{"href":"http:\/\/ts-engine.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ts-engine.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1402"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ts-engine.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}