{"id":333,"date":"2022-12-28T13:47:09","date_gmt":"2022-12-28T04:47:09","guid":{"rendered":"http:\/\/daimaru-tech-blog.com\/?p=333"},"modified":"2025-11-08T10:19:25","modified_gmt":"2025-11-08T01:19:25","slug":"%e3%80%90%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%91rib%e3%83%bbfib%e3%81%ae%e9%81%95%e3%81%84-2-2-2-2","status":"publish","type":"post","link":"https:\/\/daimaru-tech-blog.com\/?p=333","title":{"rendered":"\u3010\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5165\u9580\u3011\u610f\u5916\u3068\u308f\u304b\u3089\u306a\u3044\uff1fRIB\u30fbFIB\u306e\u9055\u3044\u3068\u306f\uff1f"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u3053\u3093\u306b\u3061\u306f\u3001<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><span style=\"color:#008000\" class=\"swl-inline-color\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u52c9\u5f37\u3092\u59cb\u3081\u305f\u3070\u304b\u308a\u3060\u3068\u300c\u3069\u3063\u3061\u3060\u3063\u3051\uff1f\u300d\u3068\u306a\u308a\u3084\u3059\u3044\u300cRIB\u300d\u30fb\u300cFIB\u300d\u306e\u9055\u3044<\/span><\/strong>\u306b\u3064\u3044\u3066\u3001\u8aac\u660e\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\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\">\u305d\u3082\u305d\u3082RIB\u30fbFIB\u306e\u9055\u3044\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u305d\u3082\u305d\u3082\u306e\u9055\u3044\u306f<strong>\u52d5\u4f5c\u3059\u308b\u74b0\u5883\u304c\u7570\u306a\u308b\u70b9<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">RIB\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u3067\u52d5\u4f5c<\/span><\/strong>\u3057\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">FIB\u306f\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u3067\u52d5\u4f5c<\/span><\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u3068\u306f\u300c\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u5236\u5fa1\u3092\u884c\u3046\u4e16\u754c\u300d<\/span><\/strong>\u3067\u3042\u308a\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u306f\u300c\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u304c\u52d5\u304f\u4e16\u754c\u300d<\/span><\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\uff12\u3064\u306e\u9055\u3044\u306f\u300c\u666e\u6bb5\u5229\u7528\u3059\u308b\u9053\u8def\u300d\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u3066\u3082\u3089\u3048\u308c\u3070\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306f\u300c\u4fe1\u53f7\u3084\u8b66\u5bdf\u5b98\u306a\u3069\u306e\u4ea4\u901a\u6574\u5099\u3092\u884c\u3046\u6a5f\u68b0\u3084\u4eba\u300d<\/span><\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u306f\u300c\u9053\u8def\u3092\u8d70\u308b\u8eca\u300d<\/span><\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image is-style-border u-lb-on\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/C_D_Plane_image-1024x576.png\" alt=\"\" class=\"wp-image-3165\" style=\"width:626px;height:auto\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/C_D_Plane_image-1024x576.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/C_D_Plane_image-300x169.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/C_D_Plane_image-768x432.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/C_D_Plane_image-1536x864.png 1536w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/C_D_Plane_image.png 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>\u3053\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u6301\u3063\u3066\u3082\u3089\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u3068\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u306e\u66f4\u306a\u308b\u9055\u3044\u306b\u89e6\u308c\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0b\u306e\u56f3\u306b\u3082\u3042\u308b\u901a\u308a\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306f<strong>\u300cIP\u30a2\u30c9\u30ec\u30b9\uff08L3\uff09\u3068MAC\u30a2\u30c9\u30ec\u30b9\uff08L2\uff09\u3092\u7d10\u3065\u3051\u308bARP\u30c6\u30fc\u30d6\u30eb\u300d<\/strong>\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3001\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u306b\u3082<strong>\u300cARP\u30c6\u30fc\u30d6\u30eb\u3092\u57fa\u306b\u4f5c\u6210\u3055\u308c\u305f\u96a3\u63a5\u30c6\u30fc\u30d6\u30eb\u300d<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">\u3053\u306e\uff12\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3082\u30eb\u30fc\u30bf\u306e\u9ad8\u901f\u51e6\u7406\u306b\u5fc5\u8981\u4e0d\u53ef\u6b20\u306e\u305f\u3081\u3001<\/span><\/strong>\u982d\u306e\u7247\u9685\u306b\u5165\u308c\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n<div class=\"wp-block-image u-lb-on\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-21-at-23.40.03-1024x576.png\" alt=\"\" class=\"wp-image-334\" style=\"width:638px;height:auto\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-21-at-23.40.03-1024x576.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-21-at-23.40.03-300x169.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-21-at-23.40.03-768x432.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-21-at-23.40.03.png 1407w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>RIB\u3068FIB\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u3084\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u306e\u5168\u4f53\u50cf\u304c\u306a\u3093\u3068\u306a\u304f\u308f\u304b\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u6b21\u306f\u305d\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u89e6\u308c\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"p-blogParts post_content\" data-partsID=\"3930\">\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\/716qRrKf3WL._SY425_.jpg\"  class=\"product-main-image\">\n        <\/div>\n        <div class=\"content-section\">\n            <div class=\"product-title\">3\u5206\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u790e\u8b1b\u5ea7<\/div>\n            <div class=\"product-subtitle\">\u301c\u5927\u597d\u8a55\u300c3\u5206\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u790e\u8b1b\u5ea7\u300d\u304c\u3001\u5185\u5bb9\u3092\u5237\u65b0\u3057\u3066\u65b0\u767b\u5834\u301c<\/div>\n            <div class=\"button-row\">            \n                <a href=\"https:\/\/amzn.to\/3WN71qP\" 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%2Fbooks.rakuten.co.jp%2Frb%2F6628297%2F%3Fl-id%3Dsearch-c-item-text-01\" 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<h2 class=\"wp-block-heading\">RIB\uff08Routing Information Base\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p><strong>RIB\uff08Routing Information Base\uff09<\/strong>\u306f\u3001<strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u3067\u751f\u6210\u3055\u308c\u308b\u305f\u3081\u3001CPU\u3067\u51e6\u7406<\/strong>\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306b\u3069\u3093\u306a\u60c5\u5831\u304c\u8f09\u3063\u3066\u3044\u308b\u306e\u304b\uff1f<\/p>\n\n\n\n<p>\u305d\u308c\u306f\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">IGP\u3084EGP\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u304b\u3089\u5f97\u305f\u60c5\u5831\u3092\u51e6\u7406\u3057\u3001\u5b9b\u5148\u3054\u3068\u306e\u51fa\u529b\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\uff08IF\uff09\u3001\u30cd\u30af\u30b9\u30c8\u30db\u30c3\u30d7\uff08\u6b21\u306e\u5b9b\u5148\uff09\u306e\u60c5\u5831<\/span><\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" 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\">\u30d1\u30b1\u30c3\u30c8\u306e\u9001\u4fe1\u5148\u3092\u5236\u5fa1\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u52d5\u4f5c\u306b\u306a\u308b\u306e\u3067\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<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u4e0a\u306e\u52d5\u4f5c\u3067\u306f\u3001CPU\u51e6\u7406\u304c\u5fc5\u8981\u3068\u306a\u308b\u305f\u3081\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">\u30d1\u30b1\u30c3\u30c8\u53d7\u4fe1\u6642\u306eRIB\u53c2\u7167\u306b\u3088\u308bCPU\u8ca0\u8377\u304c\u9ad8\u307e\u308b\u3053\u3068\u3067\u3001\u30c9\u30ed\u30c3\u30d7\u3084\u51e6\u7406\u9045\u5ef6\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027<\/span><\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u65e5\u5e38\u751f\u6d3b\u3067\u4f8b\u3048\u308b\u306e\u3067\u3042\u308c\u3070\u3001<strong>\u666e\u6bb5\u3084\u3089\u306a\u3044\u5bb6\u4e8b\u3084\u30bf\u30b9\u30af\u3092\u3042\u308c\u3053\u308c\u8003\u3048\u306a\u304c\u3089\u5bfe\u5fdc\u3059\u308b\u30a4\u30e1\u30fc\u30b8<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u666e\u6bb5\u3084\u3089\u306a\u3044\u3053\u3068\u306f\u3044\u3064\u3082\u3088\u308a\u982d\u3084\u8eab\u4f53\u306e\u52b4\u529b\u3092\u4f7f\u3046\u305f\u3081\u3001\u75b2\u52b4\u304c\u51fa\u3084\u3059\u3044<\/strong>\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u305d\u308c\u304c\u91cd\u306a\u308b\u3068\u3044\u3064\u3082\u3088\u308a\u52b9\u7387\u304c\u60aa\u304f\u306a\u3063\u305f\u308a\u3001\u7121\u6c17\u529b\u306b\u306a\u3063\u305f\u308a\u3059\u308b<\/strong>\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3093\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image u-lb-on\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"574\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.19.51-1024x574.png\" alt=\"\" class=\"wp-image-338\" style=\"width:746px;height:auto\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.19.51-1024x574.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.19.51-300x168.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.19.51-768x431.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.19.51-1536x862.png 1536w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.19.51-2048x1149.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p><br>\u300cRIB\u3068\u306f\u4f55\u304b\uff1f\u300d\u304c\u308f\u304b\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u6b21\u306f\u5b9f\u6a5f\u3067\u306e\u78ba\u8a8d\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u4e00\u822c\u7684\u306b\u306f\u300cshow ip route\u300d\u306e\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/strong><\/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>\u5229\u7528\u3059\u308bOS\u306b\u3088\u3063\u3066\u30b3\u30de\u30f3\u30c9\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/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<pre class=\"wp-block-code has-black-background-color has-background has-xs-font-size\"><code>Router1#<span style=\"color:#00ff00\" class=\"swl-inline-color\"><strong>show ip route<\/strong><\/span>\nCodes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP\n       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area \n       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2\n       E1 - OSPF external type 1, E2 - OSPF external type 2\n       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2\n       ia - IS-IS inter area, * - candidate default, U - per-user static route\n       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP\n       a - application route\n       + - replicated route, % - next hop override, p - overrides from PfR\n\nGateway of last resort is 192.168.11.1 to network 0.0.0.0\n\nS*    0.0.0.0\/0 &#91;254\/0] via 192.168.11.1\n      10.0.0.0\/8 is variably subnetted, 10 subnets, 2 masks\nC        10.1.1.0\/24 is directly connected, GigabitEthernet0\/2\nL        10.1.1.1\/32 is directly connected, GigabitEthernet0\/2\nO        10.1.2.0\/24 &#91;110\/2] via 10.1.1.2, 02:12:16, GigabitEthernet0\/2\nO        10.1.3.0\/24 &#91;110\/2] via 10.1.4.2, 02:12:40, GigabitEthernet0\/1\nC        10.1.4.0\/24 is directly connected, GigabitEthernet0\/1\nL        10.1.4.1\/32 is directly connected, GigabitEthernet0\/1\nC        10.1.5.1\/32 is directly connected, Loopback0\nO        10.1.5.2\/32 &#91;110\/2] via 10.1.4.2, 02:12:50, GigabitEthernet0\/1\nO        10.1.5.3\/32 &#91;110\/2] via 10.1.1.2, 00:17:41, GigabitEthernet0\/2\nO        10.1.5.4\/32 &#91;110\/3] via 10.1.4.2, 00:02:49, GigabitEthernet0\/1\n                     &#91;110\/3] via 10.1.1.2, 00:02:49, GigabitEthernet0\/2<\/code><\/pre>\n\n\n\n<p>\u51fa\u529b\u7d50\u679c\u306e\u898b\u65b9\u306f\u3001\u5de6\u5074\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u304c\u7d4c\u8def\u60c5\u5831\u306e\u7a2e\u985e\u3001x.x.x.x\/24\u306e\u8868\u8a18\u304c\u7d4c\u8def\u3001\u300cvia\u300d\u3084\u300cis\u300d\u306b\u7d9a\u304f\u90e8\u5206\u304c\u51fa\u529b\u5148\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u7b49\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u7d50\u679c\u304b\u3089\u3082\u7d4c\u8def\u3068IF\u304c\u7d10\u3065\u3051\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group has-border -border01\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ul class=\"wp-block-list is-style-check_list\">\n<li><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u51e6\u7406\u30fbCPU\u51e6\u7406<\/span><\/strong><\/li>\n\n\n\n<li><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30c8\u30b3\u30eb\u7b49\u304b\u3089\u5f97\u305f\u7d4c\u8def\u3001\u51fa\u529bIF\u3001Nexthop\u3092\u307e\u3068\u3081\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/span><\/strong><\/li>\n<\/ul>\n<\/div><\/div>\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\">FIB\uff08Forwarding Information Base\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p><strong>FIB\uff08Forwarding Information Base\uff09<\/strong>\u306f\u3001<strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u3092\u57fa\u306b\u751f\u6210\u3057\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u30d1\u30b1\u30c3\u30c8\u51e6\u7406\u3092\u884c\u3046\u30c6\u30fc\u30d6\u30eb<\/strong>\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u308a\u5177\u4f53\u7684\u306b\u8a00\u3046\u3068\u3001<strong>RIB\u306f\u69d8\u3005\u306a\u7d4c\u8def\u304c\u4fdd\u6301\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001FIB\u306f\u6700\u9069\u7d4c\u8def\u306e\u307f\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/strong>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">RIB\u306e\u53c2\u7167\u306b\u3088\u308bCPU\u51e6\u7406\u304c\u4e0d\u8981\u3068\u306a\u308b\u305f\u3081\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u9ad8\u901f\u8ee2\u9001\u304c\u53ef\u80fd<\/span><\/strong>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092\u65e5\u5e38\u751f\u6d3b\u3067\u4f8b\u3048\u305f\u5834\u5408\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u6b6f\u78e8\u304d\u3084\u624b\u6d17\u3044\u30fb\u3046\u304c\u3044\u3068\u3044\u3063\u305f\u7fd2\u6163\u5316\u3055\u308c\u305f\u884c\u52d5\u3092\u3059\u308b\u30a4\u30e1\u30fc\u30b8<\/span><\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u7fd2\u6163\u5316\u3055\u308c\u305f\u884c\u52d5<\/strong>\u306f<strong>\u666e\u6bb5\u304b\u3089\u4f55\u3082\u8003\u3048\u305a\u306b\u884c\u52d5\u304c\u3067\u304d\u3066\u3044\u308b<\/strong>\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>FIB\u306f\u3001RIB\u3068\u306f\u7570\u306a\u308a\u6700\u9069\u7d4c\u8def\u3092\u63a2\u3059\u5fc5\u8981\u304c\u306a\u304f\u3001\u3059\u3050\u306b\u6700\u9069\u7d4c\u8def\u3092\u767a\u898b\u3067\u304d\u308b\u305f\u3081\u3001\u3053\u306e\u30a4\u30e1\u30fc\u30b8\u306b\u306a\u308b\u306e\u3067\u3059\u3002<\/strong><\/p>\n\n\n<div class=\"wp-block-image u-lb-on\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.37.00-1024x576.png\" alt=\"\" class=\"wp-image-341\" style=\"width:709px;height:auto\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.37.00-1024x576.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.37.00-300x169.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.37.00-768x432.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.37.00-1536x865.png 1536w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2022\/12\/Screen-Shot-2022-12-22-at-12.37.00-2048x1153.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p><br>\u307e\u305f\u3001\u300cFIB\u300d\u306fcisco\u306eIOS\u306e\u5834\u5408\u3001\u300cshow ip cef\u300d\u7cfb\u306e\u30b3\u30de\u30f3\u30c9\u3067\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background has-xs-font-size\"><code>Router1#show ip cef \nPrefix               Next Hop             Interface\n0.0.0.0\/0            192.168.11.1         GigabitEthernet0\/0\n0.0.0.0\/8            drop\n0.0.0.0\/32           receive              \n10.1.1.0\/24          attached             GigabitEthernet0\/2\n10.1.1.0\/32          receive              GigabitEthernet0\/2\n10.1.1.1\/32          receive              GigabitEthernet0\/2\n10.1.1.2\/32          attached             GigabitEthernet0\/2\n10.1.1.255\/32        receive              GigabitEthernet0\/2\n10.1.2.0\/24          10.1.1.2             GigabitEthernet0\/2\n10.1.3.0\/24          10.1.4.2             GigabitEthernet0\/1\n10.1.4.0\/24          attached             GigabitEthernet0\/1\n10.1.4.0\/32          receive              GigabitEthernet0\/1\n10.1.4.1\/32          receive              GigabitEthernet0\/1\n10.1.4.2\/32          attached             GigabitEthernet0\/1\n10.1.4.255\/32        receive              GigabitEthernet0\/1\n10.1.5.1\/32          receive              Loopback0\n10.1.5.2\/32          10.1.4.2             GigabitEthernet0\/1\n10.1.5.3\/32          10.1.1.2             GigabitEthernet0\/2\n10.1.5.4\/32          10.1.1.2             GigabitEthernet0\/2\n                     10.1.4.2             GigabitEthernet0\/1<\/code><\/pre>\n\n\n\n<p><strong>\u5148\u7a0b\u306eRIB\u3068\u306f\u5c11\u3057\u7570\u306a\u308a\u3001\u5b9b\u5148\u3068Nexthop\u3001\u51fa\u529b\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-border -border01\"><div class=\"wp-block-group__inner-container\">\n<ul class=\"wp-block-list is-style-check_list\">\n<li><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u30c7\u30fc\u30bf\u30d7\u30ec\u30fc\u30f3\u51e6\u7406\u30fb\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u51e6\u7406<\/span><\/strong><\/li>\n\n\n\n<li><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">RIB\u3092\u5143\u306b\u751f\u6210\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/span><\/strong><\/li>\n\n\n\n<li><strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u6700\u9069\u7d4c\u8def\u306e\u307f\u3092\u4fdd\u6301\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/span><\/strong><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n<div class=\"p-blogParts post_content\" data-partsID=\"3934\">\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\/81gk7U+lsML._SY385_.jpg\"  class=\"product-main-image\">\n        <\/div>\n        <div class=\"content-section\">\n            <div class=\"product-title\">\u30a4\u30f3\u30d5\u30e9\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u305f\u3081\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6280\u8853&#038;\u8a2d\u8a08\u5165\u9580<\/div>\n            <div class=\"product-subtitle\">\u301c2\u4e074000\u90e8\u7a81\u7834\u306e\u30d9\u30b9\u30c8\u30bb\u30e9\u30fc\u304c5\u5e74\u3076\u308a\u306e\u6539\u8a02!\u301c<\/div>\n            <div class=\"button-row\">            \n                <a href=\"https:\/\/amzn.to\/4oUD1Fl\" 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%2Fbooks.rakuten.co.jp%2Frb%2F15898730%2F%3Fl-id%3Dsearch-c-item-text-01\" 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<h2 class=\"wp-block-heading\">\u6700\u5f8c\u306b<\/h2>\n\n\n\n<p>\u300cRIB\u300d\u3068\u300cFIB\u300d\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u5c11\u3057\u3067\u3082\u30a4\u30e1\u30fc\u30b8\u3092\u6301\u3063\u3066\u3044\u305f\u3060\u3051\u305f\u306e\u3067\u3042\u308c\u3070\u3001\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30b5\u30fc\u30d0\u95a2\u9023\u306e\u77e5\u8b58\u3092\u5c11\u3057\u305a\u3064\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3057\u3066\u3044\u308b\u306e\u3067\u305d\u3061\u3089\u306e\u8a18\u4e8b\u3082\u53c2\u7167\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"p-postListWrap\"><ul class=\"p-postList -type-card -pc-col3 -sp-col1\"><li class=\"p-postList__item\">\n\t<a href=\"https:\/\/daimaru-tech-blog.com\/?p=1505\" class=\"p-postList__link\">\n\t\t<div class=\"p-postList__thumb c-postThumb\">\n\t<figure class=\"c-postThumb__figure\">\n\t\t<img decoding=\"async\" width=\"1024\" height=\"576\"  src=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/12\/Netflow_icatch.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" sizes=\"auto, (min-width: 960px) 400px, 100vw\" loading=\"lazy\" >\t<\/figure>\n\t\t\t<span class=\"c-postThumb__cat icon-folder\" data-cat-id=\"607\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/span>\n\t<\/div>\n\t\t\t\t\t<div class=\"p-postList__body\">\n\t\t\t\t<h2 class=\"p-postList__title\">\u3010\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5165\u9580\u30fb\u57fa\u790e\u3011\u30d1\u30b1\u30c3\u30c8\u306e\u5206\u6790\u306b\u5fc5\u9808\uff01\uff01 NETFLOW\u306b\u3064\u3044\u3066<\/h2>\t\t\t\t\t\t\t\t<div class=\"p-postList__meta\">\n\t\t\t\t\t<div class=\"p-postList__times c-postTimes u-thin\">\n\t<time class=\"c-postTimes__posted icon-posted\" datetime=\"2024-01-10\" aria-label=\"\u516c\u958b\u65e5\">2024\u5e741\u670810\u65e5<\/time><\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<\/a>\n<\/li>\n<li class=\"p-postList__item\">\n\t<a href=\"https:\/\/daimaru-tech-blog.com\/?p=1437\" class=\"p-postList__link\">\n\t\t<div class=\"p-postList__thumb c-postThumb\">\n\t<figure class=\"c-postThumb__figure\">\n\t\t<img decoding=\"async\" width=\"1024\" height=\"576\"  src=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/11\/GRE_\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" sizes=\"auto, (min-width: 960px) 400px, 100vw\" loading=\"lazy\" >\t<\/figure>\n\t\t\t<span class=\"c-postThumb__cat icon-folder\" data-cat-id=\"607\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/span>\n\t<\/div>\n\t\t\t\t\t<div class=\"p-postList__body\">\n\t\t\t\t<h2 class=\"p-postList__title\">\u3010\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5165\u9580\u3011GRE\uff08Generic Routing Encapsulation\uff09\u306b\u3064\u3044\u3066<\/h2>\t\t\t\t\t\t\t\t<div class=\"p-postList__meta\">\n\t\t\t\t\t<div class=\"p-postList__times c-postTimes u-thin\">\n\t<time class=\"c-postTimes__posted icon-posted\" datetime=\"2023-12-15\" aria-label=\"\u516c\u958b\u65e5\">2023\u5e7412\u670815\u65e5<\/time><\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<\/a>\n<\/li>\n<li class=\"p-postList__item\">\n\t<a href=\"https:\/\/daimaru-tech-blog.com\/?p=1661\" class=\"p-postList__link\">\n\t\t<div class=\"p-postList__thumb c-postThumb\">\n\t<figure class=\"c-postThumb__figure\">\n\t\t<img decoding=\"async\" width=\"1024\" height=\"576\"  src=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2023\/12\/Gre_over_ipsec_Icatch.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" sizes=\"auto, (min-width: 960px) 400px, 100vw\" loading=\"lazy\" >\t<\/figure>\n\t\t\t<span class=\"c-postThumb__cat icon-folder\" 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