{"id":712,"date":"2023-04-27T09:13:44","date_gmt":"2023-04-27T00:13:44","guid":{"rendered":"http:\/\/daimaru-tech-blog.com\/?p=712"},"modified":"2026-02-19T22:26:08","modified_gmt":"2026-02-19T13:26:08","slug":"%e3%80%90ccna-ccnp-%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e5%85%a5%e9%96%80%e3%80%91bgp%ef%bc%88attribute%ef%bc%89-2-2-2-2-2-2","status":"publish","type":"post","link":"https:\/\/daimaru-tech-blog.com\/?p=712","title":{"rendered":"\u3010BGP\u5165\u9580\u3011BGP Attribute\uff08\u5c5e\u6027\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\u306f\u3001<strong>BGP\u306b\u95a2\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u3084\u904b\u7528\u3092\u3057\u3066\u3044\u304f\u4e0a\u3067\u7406\u89e3\u304c\u5fc5\u8981\u3068\u306a\u308bAttribte\uff08\u5c5e\u6027\uff09<\/strong>\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\">Attribute\uff08\u5c5e\u6027\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p><strong>Attribute\uff08\u5c5e\u6027\uff09<\/strong>\u3068\u306f\u3001<strong>BGP\u7d4c\u8def\u3092\u5236\u5fa1\u3059\u308b\u969b\u306b\u5229\u7528\u3059\u308b\u8b58\u5225\u5b50\u30fb\u30d5\u30e9\u30b0\u30fb\u4ed8\u52a0\u60c5\u5831<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u63a5\u7d9a\u3067\u30c8\u30e9\u30f3\u30b8\u30c3\u30c8\u3084IX\u3068\u3044\u3063\u305f\u8907\u6570\u306e\u901a\u4fe1\u4e8b\u696d\u8005\u3068\u7d4c\u8def\u3092\u4ea4\u63db\u3059\u308b\u306e\u3067\u3059\u304c\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u8cbb\u7528\u3084\u5e2f\u57df\u3092\u8003\u616e\u3057\u305f\u8a2d\u8a08\u3068\u3059\u308b\u305f\u3081\u3001\u3053\u306eAttribute\u3092\u4f7f\u3044\u30d9\u30b9\u30c8\u30d1\u30b9\u306e\u5236\u5fa1\u3084\u8fc2\u56de\u306a\u3069\u3092\u5b9f\u65bd<\/span><\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e<strong>Attribute\uff08\u5c5e\u6027\uff09<\/strong>\u306b\u306f\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">Cisco\u72ec\u81ea\u306e\u300cWeight\u300d<\/span><\/strong>\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u4e00\u822c\u7684\u306a\u300cLocal Preference\u300d\u3001\u300cOrigin\u300d\u3001\u300cAS Path\u300d\u3001\u300cMED\u300d<\/span><\/strong>\u306e5\u3064\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>BGP Attribute\uff08\u5c5e\u6027\uff09\u306e\u5b9a\u7fa9\u3068\u512a\u5148\u5ea6\u3092\u4ee5\u4e0b\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002\uff08\u30d9\u30b9\u30c8\u30d1\u30b9\u3067\u306f\u306a\u3044\uff09<\/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\">\u5404Attribute\uff08\u5c5e\u6027\uff09\u306b\u3064\u3044\u3066\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u8a18\u4e8b\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/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-02-background-color has-background\"><thead><tr><th>\u512a\u5148\u5ea6<\/th><th>Attribute\uff08\u5c5e\u6027\uff09<\/th><th>\u5b9a\u7fa9<\/th><th>\u5024<\/th><th>\u95a2\u9023\u8a18\u4e8b<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Weight<\/td><td>\u5916\u90e8\u5411\u3051\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5236\u5fa1\uff08Cisco\u72ec\u81ea\u30fb\u96a3\u63a5\u306b\u4f1d\u642c\u3057\u306a\u3044\uff09<\/td><td>\u5927\u304d\u3044\u65b9\u304c\u512a\u5148<\/td><td>\u4f5c\u6210\u4e2d<\/td><\/tr><tr><td>2<\/td><td>Local Preference<\/td><td>\u5916\u90e8\u5411\u3051\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5236\u5fa1\u3057AS\u5185\u5168\u4f53\u3067\u4f1d\u642c<\/td><td>\u5927\u304d\u3044\u65b9\u304c\u512a\u5148<\/td><td>\u4f5c\u6210\u4e2d<\/td><\/tr><tr><td>3<\/td><td>AS Path<\/td><td>\u901a\u904e\u3057\u305fAS\u306e\u30ea\u30b9\u30c8\u3067\u3042\u308a\u3001AS\u5185\u5168\u4f53\u3067\u4f1d\u642c<\/td><td>\u77ed\u3044\u65b9\u304c\u512a\u5148<\/td><td>\u4f5c\u6210\u4e2d<\/td><\/tr><tr><td>4<\/td><td>Origin<\/td><td>\u7d4c\u8def\u306e\u7a2e\u5225\u3092\u793a\u3057\u3001AS\u5185\u5168\u4f53\u3067\u4f1d\u642c<\/td><td>IGP&gt;EGP&gt;Incomplete<\/td><td>\u4f5c\u6210\u4e2d<\/td><\/tr><tr><td>5<\/td><td>MED<\/td><td>\u5185\u90e8\u5411\u3051\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5236\u5fa1\u3057\u3001AS\u5185\u5168\u4f53\u3067\u4f1d\u642c<\/td><td>\u4f4e\u3044\u65b9\u304c\u512a\u5148<\/td><td>\u4f5c\u6210\u4e2d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u307e\u305a\u306f\u4e00\u822c\u7684\u306a\u5b9a\u7fa9\u3084\u6982\u8981\u3092\u7406\u89e3\u3057\u3001\u3053\u306e\u5f8c\u306e\u8a18\u4e8b\u3067\u8a73\u7d30\u3084\u5b9f\u6a5f\u3067\u306e\u8a2d\u5b9a\u65b9\u6cd5\u7b49\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"red\"><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 class=\"swl-inline-color has-swl-deep-01-color\">\u30bc\u30ed\u30af\u30ea\u30c3\u30af\u554f\u984c\u304c\u3042\u308a\u3001\u30d6\u30ed\u30b0\u6539\u4fee\u4e2d\u30fb\u30fb\u30fb<\/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<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\u306eAttribute\uff08\u5c5e\u6027\uff09\u306e\u5168\u4f53\u50cf\u306b\u3064\u3044\u3066\u3001\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7d30\u304b\u3044\u90e8\u5206\u306e\u8aac\u660e\u3084\u52d5\u4f5c\u78ba\u8a8d\u306f\u3001\u5404Attribute\uff08\u5c5e\u6027\uff09\u3054\u3068\u306e\u8a18\u4e8b\u3092\u4f5c\u308a\u3001\u77ed\u6642\u9593\u3067\u7406\u89e3\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u3044\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\/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>\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\/02\/BGP_Weight\u5024_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=4225\" target=\"_blank\" rel=\"noopener noreferrer\">\u3010BGP\u5165\u9580\u3011BGP Attribute\uff08\u5c5e\u6027\uff09\u306eWeight\u306b\u3064\u3044\u3066<\/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\n\n\n\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\u306b\u95a2\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u3084\u904b\u7528\u3092\u3057\u3066\u3044\u304f\u4e0a\u3067\u7406\u89e3\u304c\u5fc5\u8981\u3068\u306a\u308bAttribte\uff08\u5c5e\u6027\uff09\u306b\u3064\u3044\u3066\u3001\u307e\u3068\u3081\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 Attribut [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":742,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[616,607],"tags":[130,125,109,65,66,41,129,132,68,131,128,39,126],"class_list":["post-712","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bgp","category-607","tag-as-path","tag-attribute","tag-bgp","tag-ccna","tag-ccnp","tag-cisco","tag-local-preference","tag-med","tag-network","tag-origin","tag-weight-2","tag-39","tag-126"],"_links":{"self":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts\/712","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=712"}],"version-history":[{"count":28,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts\/712\/revisions"}],"predecessor-version":[{"id":4235,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts\/712\/revisions\/4235"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/media\/742"}],"wp:attachment":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=712"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}