{"id":360,"date":"2025-06-14T17:35:00","date_gmt":"2025-06-14T08:35:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=360"},"modified":"2025-10-22T13:38:30","modified_gmt":"2025-10-22T04:38:30","slug":"l2%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%ef%bc%88catalyst-acl%ef%bc%89","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=360","title":{"rendered":"L2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08Catalyst ACL\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Catalyst\u30b9\u30a4\u30c3\u30c1\u306b\u304a\u3051\u308bACL\u306e\u7a2e\u985e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Catalyst\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u3001ACL\uff08\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u30ea\u30b9\u30c8\uff09\u306f\u5927\u304d\u304f3\u7a2e\u985e\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u9069\u7528\u3055\u308c\u308b\u5834\u6240\u3084\u5bfe\u8c61\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u8a66\u9a13\u5bfe\u7b56\u3068\u3057\u3066\u9055\u3044\u3092\u660e\u78ba\u306b\u6574\u7406\u3057\u3066\u899a\u3048\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>RACL\uff08Router ACL\uff09<\/strong><br>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3046\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u9069\u7528\u3059\u308bACL\u3067\u3059\u3002SVI\uff08Switch Virtual Interface\uff09\u3084\u30eb\u30fc\u30c6\u30c3\u30c9\u30dd\u30fc\u30c8\u306b\u8a2d\u5b9a\u3067\u304d\u3001Cisco\u30eb\u30fc\u30bf\u3067\u5229\u7528\u3059\u308bACL\u3068\u307b\u307c\u540c\u3058\u8003\u3048\u65b9\u3067\u6271\u3048\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>VACL\uff08VLAN ACL\uff09<\/strong><br>VLAN\u5168\u4f53\u306b\u9069\u7528\u3059\u308bACL\u3067\u3059\u3002\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3060\u3051\u3067\u306a\u304f\u3001\u540c\u4e00VLAN\u5185\u3067\u306e\u30d6\u30ea\u30c3\u30b8\u30f3\u30b0\u901a\u4fe1\u306b\u3082\u30d5\u30a3\u30eb\u30bf\u3092\u304b\u3051\u3089\u308c\u307e\u3059\u3002VLAN\u30a2\u30af\u30bb\u30b9\u30de\u30c3\u30d7\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u5b9a\u7fa9\u3055\u308c\u308b\u305f\u3081\u3001\u901a\u5e38\u306eACL\u3088\u308a\u5c11\u3057\u8a2d\u5b9a\u624b\u9806\u304c\u7279\u6b8a\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>PACL\uff08Port ACL\uff09<\/strong><br>\u500b\u5225\u306eL2\u30dd\u30fc\u30c8\uff08\u30a2\u30af\u30bb\u30b9\u30dd\u30fc\u30c8\u3084\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8\uff09\u306b\u9069\u7528\u3067\u304d\u308bACL\u3067\u3059\u3002\u30d6\u30ea\u30c3\u30b8\u30f3\u30b0\u306b\u3082\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3082\u9069\u7528\u53ef\u80fd\u3067\u3001\u5bfe\u8c61\u7bc4\u56f2\u304c\u30dd\u30fc\u30c8\u5358\u4f4d\u306b\u306a\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u3092\u540c\u6642\u306b\u5229\u7528\u3057\u305f\u5834\u5408\u3001\u51e6\u7406\u306e\u512a\u5148\u9806\u4f4d\u306f <span class=\"swl-marker mark_yellow\"><strong>PACL \u2192 VACL \u2192 RACL<\/strong> <\/span>\u306e\u9806\u756a\u3067\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u307e\u305a\u7269\u7406\u30dd\u30fc\u30c8\u5358\u4f4d\u3067\u5236\u5fa1\u3057\u3001\u305d\u306e\u6b21\u306bVLAN\u5358\u4f4d\u3001\u6700\u5f8c\u306bL3\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6bb5\u968e\u3067RACL\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300c\u9069\u7528\u5bfe\u8c61\u306e\u9055\u3044\u300d\u3068\u300c\u8a55\u4fa1\u3055\u308c\u308b\u9806\u756a\u300d\u304c\u3088\u304f\u554f\u308f\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u6d41\u308c\u3092\u3057\u3063\u304b\u308a\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RACL\u306e\u4ed5\u7d44\u307f\u3068\u8a2d\u5b9a\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RACL\u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5834\u9762\u3067\u5229\u7528\u3055\u308c\u308bACL\u3067\u3059\u3002\u30b9\u30a4\u30c3\u30c1\u304cL3\u52d5\u4f5c\u3057\u3066\u3044\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u3001IP\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u901a\u904e\u3059\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5bfe\u3057\u3066\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u30eb\u30fc\u30c6\u30c3\u30c9\u30dd\u30fc\u30c8 Gi0\/1 \u306b\u53d7\u4fe1\u3059\u308bHTTP\u30d1\u30b1\u30c3\u30c8\u3060\u3051\u3092\u8a31\u53ef\u3057\u3001\u3055\u3089\u306bSVI 10\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u5b9b\u5148 10.1.1.1 \u5b9b\u306eHTTP\u901a\u4fe1\u3060\u3051\u3092\u8a31\u53ef\u3059\u308b\u8a2d\u5b9a\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>interface gigabitethernet 0\/1\n no switchport\n ip address 192.168.0.254 255.255.255.0\n ip access-group 101 in\n\ninterface vlan 10\n ip address 10.1.1.254 255.255.255.0\n ip access-group 102 out\n\naccess-list 101 permit tcp any any eq www\naccess-list 102 permit tcp any host 10.1.1.1 eq www<\/code><\/pre>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u3053\u3053\u3067\u6ce8\u76ee\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u306f\u3001<strong>RACL\u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306eIN\/OUT\u306b\u5bfe\u3057\u3066\u9069\u7528\u3059\u308b<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u8a66\u9a13\u3067\u306f\u300c\u30d6\u30ea\u30c3\u30b8\u30f3\u30b0\u306b\u306f\u9069\u7528\u3067\u304d\u306a\u3044\u300d\u70b9\u304c\u554f\u308f\u308c\u3084\u3059\u3044\u305f\u3081\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VACL\u306e\u4ed5\u7d44\u307f\u3068\u8a2d\u5b9a\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VACL\u306fVLAN\u5168\u4f53\u306b\u5bfe\u3057\u3066\u9069\u7528\u3055\u308c\u308bACL\u3067\u3059\u3002\u5927\u304d\u306a\u7279\u5fb4\u306f\u3001<strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3060\u3051\u3067\u306a\u304f\u540c\u4e00VLAN\u5185\u306e\u30d6\u30ea\u30c3\u30b8\u30f3\u30b0\u306b\u3082\u52b9\u304f<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u30db\u30b9\u30c8B\u3068C\u304c\u540c\u3058VLAN\u306b\u3044\u308b\u5834\u5408\u3001\u901a\u5e38\u3067\u3042\u308c\u3070\u81ea\u7531\u306b\u901a\u4fe1\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001VACL\u3092\u4f7f\u3046\u3068\u3053\u306eVLAN\u5185\u901a\u4fe1\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u7570\u306a\u308b\u30bb\u30b0\u30e1\u30f3\u30c8\u9593\u901a\u4fe1\u3067\u3082\u3001\u305d\u306eVLAN\u3092\u7d4c\u7531\u3059\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5bfe\u3057\u3066\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306f\u300c\u9001\u4fe1\u5143192.168.0.1\u306810.1.1.2\u304b\u3089\u5b9b\u514810.1.1.1\u3078\u306eTCP\u901a\u4fe1\u3092\u62d2\u5426\u3057\u3001\u305d\u308c\u4ee5\u5916\u306eIP\u901a\u4fe1\u306f\u8a31\u53ef\u3059\u308b\u300d\u3068\u3044\u3046\u8a2d\u5b9a\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ip access-list extended A-TCP\n permit tcp host 10.1.1.2 host 10.1.1.1\n permit tcp host 192.168.0.1 host 10.1.1.1\n\nip access-list extended A-IP\n permit ip any any\n\nvlan access-map V-MAP 10\n match ip address A-TCP\n action drop\n\nvlan access-map V-MAP 20\n match ip address A-IP\n action forward\n\nvlan filter V-MAP vlan-list 10<\/code><\/pre>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300cVACL\u306f\u5fc5\u305aVLAN\u30a2\u30af\u30bb\u30b9\u30de\u30c3\u30d7\u3092\u4f7f\u3046\u300d\u300c\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3082\u30d6\u30ea\u30c3\u30b8\u30f3\u30b0\u306b\u3082\u9069\u7528\u53ef\u80fd\u300d\u3068\u3044\u3046\u70b9\u304c\u72d9\u308f\u308c\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PACL\u306e\u4ed5\u7d44\u307f\u3068\u8a2d\u5b9a\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PACL\u306f\u7269\u7406\u30dd\u30fc\u30c8\u5358\u4f4d\u3067\u9069\u7528\u3059\u308bACL\u3067\u3059\u3002VACL\u3068\u540c\u69d8\u306b\u30d6\u30ea\u30c3\u30b8\u30f3\u30b0\u306b\u3082\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3082\u52b9\u304d\u307e\u3059\u304c\u3001\u9069\u7528\u7bc4\u56f2\u304c\u300c\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u300d\u306b\u9650\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u7279\u5b9a\u30dd\u30fc\u30c8\u3092\u901a\u308b\u7279\u5b9a\u306e\u901a\u4fe1\u3060\u3051\u3092\u906e\u65ad\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ip access-list extended A-TCP1\n deny tcp host 192.168.0.1 host 10.1.1.2\n permit ip any any\n\nip access-list extended A-TCP2\n deny tcp host 10.1.1.2 host 10.1.1.1\n permit ip any any\n\ninterface gigabitethernet 0\/1\n ip access-group A-TCP1 in\n\ninterface gigabitethernet 0\/2\n ip access-group A-TCP2 in<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u3001\u30dd\u30fc\u30c8\u3054\u3068\u306b\u7570\u306a\u308b\u5236\u5fa1\u304c\u3067\u304d\u308b\u306e\u304cPACL\u306e\u5f37\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300cPACL\u306fL2\u30dd\u30fc\u30c8\u306b\u9069\u7528\u3055\u308c\u308b\u300d\u300c\u8a55\u4fa1\u9806\u5e8f\u306fPACL \u2192 VACL \u2192 RACL\u300d\u3068\u3044\u3046\u6d41\u308c\u304c\u7279\u306b\u3088\u304f\u554f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VACL\uff08VLAN Access-List\uff09\u306e\u6982\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VACL\u306f\u300cVLAN\u306b\u9069\u7528\u3059\u308bACL\u300d\u3067\u3042\u308a\u3001RACL\u306e\u3088\u3046\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6642\u3060\u3051\u3067\u306a\u304f\u3001\u540c\u4e00VLAN\u5185\u306e\u30d6\u30ea\u30c3\u30b8\u30f3\u30b0\u901a\u4fe1\u306b\u3082\u30d5\u30a3\u30eb\u30bf\u3092\u304b\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001VLAN\u306b\u5165\u3063\u3066\u304f\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3042\u308c\u3070\u3001L2\u3067\u3082L3\/L4\u3067\u3082\u5bfe\u8c61\u3068\u306a\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300cVACL\u306fVLAN\u306b\u7740\u4fe1\u3059\u308b\u3059\u3079\u3066\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u9069\u7528\u3055\u308c\u308b\uff08\u30d6\u30ea\u30c3\u30b8\u30f3\u30b0\u30fb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u554f\u308f\u306a\u3044\uff09\u300d\u3068\u3044\u3046\u70b9\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">VACL\u3067\u5229\u7528\u3067\u304d\u308bACL\u306e\u7a2e\u985e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VACL\u3092\u69cb\u6210\u3059\u308b\u969b\u306b\u306f\u3001\u5bfe\u8c61\u3068\u306a\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u6b21\u306e2\u7a2e\u985e\u306eACL\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IP\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8<\/strong><br>IPv4\u3084IPv6\u306e\u30d1\u30b1\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u5229\u7528\u3059\u308b\u3002\u6a19\u6e96ACL\u30fb\u62e1\u5f35ACL\u30fb\u540d\u524d\u4ed8\u304dACL\u304c\u4f7f\u7528\u53ef\u80fd\u3002<\/li>\n\n\n\n<li><strong>MAC\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8<\/strong><br>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d5\u30ec\u30fc\u30e0\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u57fa\u3065\u3044\u3066\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3002IP\u4ee5\u5916\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5236\u5fa1\u53ef\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">VACL\u306e\u8a2d\u5b9a\u624b\u9806<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VACL\u306f\u5927\u304d\u304f3\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Step1: \u5bfe\u8c61\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5b9a\u7fa9<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8\u3084MAC\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u3066\u3001\u3069\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5bfe\u8c61\u3068\u3059\u308b\u304b\u3092\u6307\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>access-list 101 permit ip 192.168.1.0 0.0.0.255 any\n\nmac access-list extended DBSV\n permit host 0000.aaaa.1111 any<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Step2: VACL\u3092\u5b9a\u7fa9<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">VLAN\u30a2\u30af\u30bb\u30b9\u30de\u30c3\u30d7\u3092\u4f5c\u6210\u3057\u3001\u5bfe\u8c61\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8ee2\u9001\uff08forward\uff09\u3059\u308b\u304b\u7834\u68c4\uff08drop\uff09\u3059\u308b\u304b\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vlan access-map V-MAP 10\n match ip address 101\n action drop\n\nvlan access-map V-MAP 20\n match mac address DBSV\n action drop\n\nvlan access-map V-MAP 30\n action forward<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u30dd\u30a4\u30f3\u30c8:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>match\u3092\u7701\u7565\u3059\u308b\u3068\u300cmatch any\u300d\u3068\u306a\u308a\u3001\u5168\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5bfe\u8c61\u306b\u306a\u308b<\/li>\n\n\n\n<li>VACL\u306b\u306f\u300c\u6697\u9ed9\u306edrop\u300d\u304c\u3042\u308b\u305f\u3081\u3001forward\u3092\u660e\u793a\u3057\u306a\u3044\u3068\u901a\u4fe1\u304c\u906e\u65ad\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Step3: VLAN\u3078\u9069\u7528<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u6210\u3057\u305fVACL\u3092VLAN\u306b\u9069\u7528\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vlan filter V-MAP vlan-list 100\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u6570\u306eVLAN\u306b\u9069\u7528\u3059\u308b\u5834\u5408\u306f\u6b21\u306e\u3088\u3046\u306b\u6307\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vlan filter V-MAP vlan-list 100,200<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">VACL\u306e\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u5185\u5bb9\u3084\u9069\u7528\u72b6\u6cc1\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show vlan access-map\nshow vlan filter\nshow access-lists<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">PACL\uff08Port Access-List\uff09\u306e\u6982\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PACL\u306f\u3001Catalyst\u30b9\u30a4\u30c3\u30c1\u306e<strong>L2\u30dd\u30fc\u30c8\uff08\u30a2\u30af\u30bb\u30b9\u30dd\u30fc\u30c8\u3001\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8\u3001EtherChannel\u30dd\u30fc\u30c8\u306a\u3069\uff09\u306b\u9069\u7528\u3067\u304d\u308bACL\u3067\u3059\u3002\u9069\u7528\u5bfe\u8c61\u306f\u7740\u4fe1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u307f<\/strong>\u3067\u3001\u9001\u4fe1\u65b9\u5411\u306b\u306f\u9069\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u5fb4\u3068\u3057\u3066\u3001VACL\u3068\u540c\u3058\u304f<strong>\u30d6\u30ea\u30c3\u30b8\u30f3\u30b0\u3068\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u4e21\u65b9\u306b\u9069\u7528\u3067\u304d\u308b<\/strong>\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30b9\u30a4\u30c3\u30c1\u81ea\u8eab\u304c\u9001\u4fe1\u3059\u308bL2\u5236\u5fa1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\uff08CDP\u3001STP\u3001VTP\u3001DTP\uff09\u306b\u306f\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u305b\u3093\u3002\u3055\u3089\u306b\u3001PACL\u306f<strong>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff08TCAM\uff09\u3067\u51e6\u7406\u3055\u308c\u308b<\/strong>\u305f\u3081\u3001\u9ad8\u901f\u306b\u52d5\u4f5c\u3057\u307e\u3059\u3002ACL\u3092\u4f5c\u6210\u3059\u308b\u3068TCAM\u306b\u30a8\u30f3\u30c8\u30ea\u304c\u767b\u9332\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PACL\u3067\u4f7f\u3048\u308b2\u7a2e\u985e\u306eACL<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IP\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8<\/strong><br>IPv4\u3084IPv6\u30d1\u30b1\u30c3\u30c8\u306b\u9069\u7528\u3002\u6a19\u6e96ACL\u3001\u62e1\u5f35ACL\u3001\u540d\u524d\u4ed8\u304dACL\u304c\u5229\u7528\u53ef\u80fd\u3002<\/li>\n\n\n\n<li><strong>MAC\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8<\/strong><br>MAC\u30a2\u30c9\u30ec\u30b9\u3084EtherType\u3092\u57fa\u6e96\u306b\u975eIP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u53ef\u80fd\u3002<br>IP\u30d1\u30b1\u30c3\u30c8\u81ea\u4f53\u306f\u5e38\u306b\u8a31\u53ef\u3055\u308c\u308b\u304c\u3001ARP\u306a\u3069\u306e\u975eIP\u901a\u4fe1\u3092\u906e\u65ad\u3059\u308b\u3068\u901a\u4fe1\u304c\u6210\u7acb\u3057\u306a\u304f\u306a\u308b\u70b9\u306b\u6ce8\u610f\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">PACL\u306e\u30e2\u30fc\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PACL\u306f\u3001RACL\u3084VACL\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u8003\u616e\u3057\u30662\u3064\u306e\u52d5\u4f5c\u30e2\u30fc\u30c9\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u512a\u5148\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9\uff08prefer port\uff09<\/strong><br>PACL\u306e\u307f\u6709\u52b9\u3068\u306a\u308a\u3001RACL\u3084VACL\u3092\u7121\u52b9\u5316\u3059\u308b\u30e2\u30fc\u30c9\u3002\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8\u3067\u4f7f\u7528\u3059\u308b\u5834\u5408\u306b\u9078\u629e\u53ef\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u30de\u30fc\u30b8\u30e2\u30fc\u30c9\uff08merge\uff09<\/strong><br>PACL \u2192 VACL \u2192 RACL \u306e\u9806\u3067\u8a55\u4fa1\u3055\u308c\u308b\u30e2\u30fc\u30c9\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306f\u3053\u3061\u3089\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">PACL\u306e\u8a2d\u5b9a\u624b\u9806<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">MAC\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8\u3092\u5229\u7528\u3059\u308b\u5834\u5408<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>mac access-list extended acl-name\n permit &#91;host src-mac | any] &#91;host dst-mac | any]\n\ninterface interface-id\n mac access-group acl-name in<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">IP\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8\u3092\u5229\u7528\u3059\u308b\u5834\u5408<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>access-list number &#91;permit | deny] protocol source-ip port destination-ip port\n\ninterface interface-id\n ip access-group acl-number in<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u30e2\u30fc\u30c9\u8a2d\u5b9a\uff08\u4efb\u610f\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>interface interface-id\n access-group mode &#91;prefer port | merge]<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u8a2d\u5b9a\u4f8b<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u7279\u5b9a\u30d9\u30f3\u30c0\u30fc\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3060\u3051\u8a31\u53ef<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>mac access-list extended M-VIDEO\n permit 1111.aa00.0000 0000.00ff.ffff any\n\ninterface GigabitEthernet0\/1\n mac access-group M-VIDEO in<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">DECnet\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u906e\u65ad<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>mac access-list extended M-DECNET\n deny any any decnet-v\n permit any any\n\ninterface GigabitEthernet0\/1\n mac access-group M-DECNET in<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u7279\u5b9a\u306eARP\u901a\u4fe1\u3092\u30d6\u30ed\u30c3\u30af\uff08VACL\u3068\u4f75\u7528\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>mac access-list extended M-ARP\n permit host 1234.5678.1234 host 1234.5678.abcd 0x0806 0x0\n\nvlan access-map V-MAP 10\n match mac address M-ARP\n action drop\n\nvlan access-map V-MAP 20\n action forward\n\nvlan filter V-MAP vlan-list 30<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u307e\u3068\u3081\u30b9\u30e9\u30a4\u30c9<\/h2>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/06\/L2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08Catalyst-ACL\uff09.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"L2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08Catalyst ACL\uff09\u306e\u57cb\u3081\u8fbc\u307f\u3002\"><\/object><a id=\"wp-block-file--media-9799f358-7709-4953-a488-003b98b13b7b\" href=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/06\/L2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08Catalyst-ACL\uff09.pdf\">L2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08Catalyst ACL\uff09<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Catalyst\u30b9\u30a4\u30c3\u30c1\u306b\u304a\u3051\u308bACL\u306e\u7a2e\u985e Catalyst\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u3001ACL\uff08\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u30ea\u30b9\u30c8\uff09\u306f\u5927\u304d\u304f3\u7a2e\u985e\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u9069\u7528\u3055\u308c\u308b\u5834\u6240\u3084\u5bfe\u8c61\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u8a66\u9a13\u5bfe\u7b56\u3068\u3057\u3066\u9055\u3044\u3092\u660e\u78ba\u306b\u6574\u7406\u3057\u3066\u899a\u3048\u308b\u3053\u3068 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[15],"tags":[],"class_list":["post-360","post","type-post","status-publish","format-standard","hentry","category-security"],"_links":{"self":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=360"}],"version-history":[{"count":4,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/360\/revisions"}],"predecessor-version":[{"id":843,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/360\/revisions\/843"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}