{"id":410,"date":"2023-01-15T13:42:28","date_gmt":"2023-01-15T04:42:28","guid":{"rendered":"http:\/\/daimaru-tech-blog.com\/?p=410"},"modified":"2025-07-05T12:29:03","modified_gmt":"2025-07-05T03:29:03","slug":"%e3%80%90%e3%82%bb%e3%82%b0%e3%83%a1%e3%83%b3%e3%83%88%e3%83%ab%e3%83%bc%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e3%80%91unreachable-prefix-announcement%ef%bc%88upa%ef%bc%89","status":"publish","type":"post","link":"https:\/\/daimaru-tech-blog.com\/?p=410","title":{"rendered":"\u3010\u30bb\u30b0\u30e1\u30f3\u30c8\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3011Unreachable Prefix Announcement\uff08UPA\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u3000\u3053\u3093\u306b\u3061\u306f\u3002<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-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><\/mark><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306f\u3001<strong>\u30bb\u30b0\u30e1\u30f3\u30c8\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e1\u3064\u3067\u3042\u308bSRv6\u3067\u5229\u7528\u3055\u308c\u308b\u300cUnreachble Prefix Annnouncement\uff08UPA\uff09\u300d\u306b\u3064\u3044\u3066<\/strong>\u3001\u307e\u3068\u3081\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u3060\u3001\u691c\u8a0e\u6bb5\u968e\u306e\u6280\u8853\u306e\u305f\u3081\u3001Draft\u3084Cisco\u306e\u516c\u8868\u52d5\u753b\u306b\u66f8\u304b\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u307e\u3068\u3081\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image is-style-border\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/amzn.to\/3ZyYIBH\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/SRv6_book_new4-1024x512.png\" alt=\"\" class=\"wp-image-3054\" style=\"width:702px;height:auto\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/SRv6_book_new4-1024x512.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/SRv6_book_new4-300x150.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/SRv6_book_new4-768x384.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/SRv6_book_new4.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n<div class=\"swell-block-button green_ is-style-btn_solid\" data-id=\"c1a9b268\"><a href=\"https:\/\/amzn.to\/3ZyYIBH\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>Amazon\u3067\u898b\u308b<\/span><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">UPA\uff08<strong>Unreachble Prefix Annnouncement<\/strong>\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p><strong>UPA\uff08Unreachble Prefix Annnouncement\uff09<\/strong>\u306f\u3001\u300c<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u5230\u9054\u4e0d\u53ef\u3068\u306a\u3063\u305f\u7d4c\u8def\u304c\u542b\u307e\u308c\u308b\u96c6\u7d04\u7d4c\u8def\u306b\u5bfe\u3057\u3001\u4e00\u90e8\u7d4c\u8def\u304c\u5230\u9054\u4e0d\u53ef\u3068\u306a\u3063\u305f\u3053\u3068\u3092\u901a\u77e5\u3059\u308b\u6a5f\u80fd<\/span><\/strong>\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>UPA\u306f\u3001PE1\/PE2\u304c\u6301\u3064\u7d4c\u8def\u3092ABR\u3067\u96c6\u7d04\u3057\u3001PE3\u306b\u5e83\u5831\u3057\u3066\u3044\u308b\u72b6\u6cc1\u3067\u5f79\u306b\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image is-style-border\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"495\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.06.36-1024x495.png\" alt=\"\" class=\"wp-image-413\" style=\"width:679px;height:328px\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.06.36-1024x495.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.06.36-300x145.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.06.36-768x371.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.06.36-1536x742.png 1536w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.06.36-2048x990.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" 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class=\"wp-image-414\" style=\"width:695px;height:335px\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.15.11-1024x493.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.15.11-300x144.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.15.11-768x370.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.15.11-1536x740.png 1536w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.15.11-2048x986.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p><strong>\u3053\u306e\u6642\u9593\u3092\u77ed\u7e2e\u3055\u305b\u308b\u305f\u3081\u306b\u5229\u7528\u3055\u308c\u308b\u306e\u304c\u300cUPA\u300d<\/strong>\u3067\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<!-- \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\n\n\n<h2 class=\"wp-block-heading\">UPA\u306e\u52d5\u4f5c\u306f\u6bd4\u8f03\u7684\u7c21\u5358\u3089\u3057\u3044<\/h2>\n\n\n\n<p>UPA\u306e\u52d5\u4f5c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u6bd4\u8f03\u7684\u7c21\u5358\u3060\u3068\u8a00\u308f\u308c\u3066\u3044\u308b\u307f\u305f\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001PE 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class=\"swl-inline-color\">\u5230\u9054\u4e0d\u53ef\u3068\u306a\u3063\u305f\u7d4c\u8def\u306b\u5bfe\u3057\u3001BGP-PIC\u3092\u767a\u52d5\u3057\u305f\u308a\u3001\u7279\u5b9a\u7d4c\u8def\u306b\u5bfe\u3057\u3066\u306fNull0\u3068\u3059\u308b\u3053\u3068\u3067\u30d6\u30e9\u30c3\u30af\u30db\u30fc\u30eb\u72b6\u614b\u3092\u9632\u304e\u307e\u3059<\/span><\/strong>\u3002<\/p>\n\n\n\n<p>UPA\u3092\u5229\u7528\u3059\u308b\u969b\u306bABR\u30eb\u30fc\u30bf\u306e\uff11\u3064\u3067\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3044\u5834\u5408\u3001<strong>\u60f3\u5b9a\u5916\u306e\u52d5\u4f5c\u3092\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5168\u30eb\u30fc\u30bf\u3078\u306e\u8a2d\u5b9a\u304c\u63a8\u5968<\/strong>\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u60f3\u5b9a\u5916\u306e\u52d5\u4f5c\u3068\u306f\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">UPA\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3044\u4e00\u90e8\u30eb\u30fc\u30bf\u304b\u3089\u306fIGP\u306e\u901a\u5e38\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u3057\u3066\u5e83\u5831\u3055\u308c\u308b\u305f\u3081\u3001\u30d6\u30e9\u30c3\u30af\u30db\u30fc\u30eb\u72b6\u614b\u304c\u767a\u751f<\/span><\/strong>\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image is-style-border\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"500\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.22.27-1024x500.png\" alt=\"\" class=\"wp-image-416\" style=\"width:793px;height:387px\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.22.27-1024x500.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.22.27-300x146.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.22.27-768x375.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.22.27-1536x749.png 1536w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/01\/Screen-Shot-2023-01-14-at-17.22.27-2048x999.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<center><a href=\"\/\/af.moshimo.com\/af\/c\/click?a_id=4701223&#038;p_id=2228&#038;pc_id=4739&#038;pl_id=29928\" target=\"_blank\" rel=\"nofollow noopener\" referrerpolicy=\"no-referrer-when-downgrade\" attributionsrc><img decoding=\"async\" src=\"\/\/image.moshimo.com\/af-img\/1287\/000000029928.jpg\" width=\"336\" height=\"280\" style=\"border:none;\"><\/a><img decoding=\"async\" src=\"\/\/i.moshimo.com\/af\/i\/impression?a_id=4701223&#038;p_id=2228&#038;pc_id=4739&#038;pl_id=29928\" width=\"1\" height=\"1\" style=\"border:none;\" loading=\"lazy\"><\/center>\n\n\n\n<div class=\"swell-block-button blue_ is-style-btn_solid\"><a href=\"\/\/af.moshimo.com\/af\/c\/click?a_id=4701223&amp;p_id=2228&amp;pc_id=4739&amp;pl_id=29928\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>\u30cf\u30a4\u30af\u30e9\u30b9\u8ee2\u8077\u306f\u300cSAMURAI JOB\u300d<\/span><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5f8c\u306b<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001\u691c\u8a0e\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u308bUnreachable Prefix Announcement\uff08UPA\uff09\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>SRv6\u306e\u6982\u8981\u3084CML\u3067\u306e\u78ba\u8a8d\u306e\u8a18\u4e8b\u3082\u6295\u7a3f\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"p-postListWrap\"><p>\u8a18\u4e8b\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u3000\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\u3001\u30bb\u30b0\u30e1\u30f3\u30c8\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e1\u3064\u3067\u3042\u308bSRv6\u3067\u5229\u7528\u3055\u308c\u308b\u300cUnreachble Prefix Annnouncement\uff08UPA\uff09\u300d\u306b\u3064\u3044\u3066\u3001\u307e\u3068 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