{"id":302,"date":"2025-05-14T00:24:00","date_gmt":"2025-05-13T15:24:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=302"},"modified":"2025-10-16T14:35:13","modified_gmt":"2025-10-16T05:35:13","slug":"qos%ef%bc%88%e3%83%88%e3%83%a9%e3%83%95%e3%82%a3%e3%83%83%e3%82%af%e5%88%86%e9%a1%9e%e3%81%a8%e3%83%9e%e3%83%bc%e3%82%ad%e3%83%b3%e3%82%b0%ef%bc%89","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=302","title":{"rendered":"QoS\uff08\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u985e\u3068\u30de\u30fc\u30ad\u30f3\u30b0\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">IP Precedence\uff08IP\u30d7\u30ec\u30b7\u30c7\u30f3\u30b9\uff09\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">IP Precedence\uff08IP\u30d7\u30ec\u30b7\u30c7\u30f3\u30b9\uff09<\/span><\/strong>\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">IP\u30d8\u30c3\u30c0\u306eToS\uff08Type of Service\uff09\u30d5\u30a3\u30fc\u30eb\u30c9\u5185\u306e\u4e0a\u4f4d3\u30d3\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u308b\u30d1\u30b1\u30c3\u30c8\u306e\u512a\u5148\u5ea6<\/span><\/strong>\u3067\u3059\u3002\u5024\u306f <strong><span class=\"swl-marker mark_yellow\">0\uff5e7\u306e8\u6bb5\u968e<\/span><\/strong> \u3067\u3001\u6570\u5024\u304c\u5927\u304d\u3044\u307b\u3069\u512a\u5148\u5ea6\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5024\u306fQoS\uff08Quality of Service\uff09\u306e\u57fa\u6e96\u3068\u3057\u3066\u4f7f\u308f\u308c\u3001\u30eb\u30fc\u30bf\u3084\u30b9\u30a4\u30c3\u30c1\u304c\u30d1\u30b1\u30c3\u30c8\u3092\u3069\u306e\u3088\u3046\u306b\u6271\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u6750\u6599\u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u97f3\u58f0\u901a\u4fe1\u306a\u3069\u9045\u5ef6\u306b\u654f\u611f\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u306f\u3001PC\u304b\u3089\u306e\u901a\u5e38\u30c7\u30fc\u30bf\u3088\u308a\u9ad8\u3044\u512a\u5148\u5ea6\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306bPC\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u30d1\u30b1\u30c3\u30c8\u306f <strong><span class=\"swl-marker mark_yellow\">IP Precedence = 0\uff08Routine\uff09<\/span><\/strong>\u3067\u3059\u304c\u3001IP\u96fb\u8a71\u6a5f\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u97f3\u58f0\u30d1\u30b1\u30c3\u30c8\u306b\u306f <span class=\"swl-marker mark_yellow\"><strong>3\uff08Flash\uff09<\/strong> \u3084 <strong>5\uff08Critical\uff09<\/strong><\/span> \u304c\u4ed8\u52a0\u3055\u308c\u3066\u9001\u51fa\u3055\u308c\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u307e\u305f\u3001\u30eb\u30fc\u30bf\u306e\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u3001\u901a\u904e\u3059\u308b\u30d1\u30b1\u30c3\u30c8\u306ePrecedence\u5024\u3092\u4e0a\u66f8\u304d\uff08\u30de\u30fc\u30ad\u30f3\u30b0\uff09\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IP Precedence\u306e8\u6bb5\u968e\u30af\u30e9\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IP Precedence\u306e\u5024\u3068\u610f\u5473\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5024<\/th><th>\u30d3\u30c3\u30c8<\/th><th>\u30af\u30e9\u30b9\u540d<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>7<\/td><td>111<\/td><td>Network Control<\/td><td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5236\u5fa1\u7528\uff08\u4e88\u7d04\u6e08\u307f\uff09<\/td><\/tr><tr><td>6<\/td><td>110<\/td><td>Internetwork Control<\/td><td>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5236\u5fa1\u7528\uff08\u4e88\u7d04\u6e08\u307f\uff09<\/td><\/tr><tr><td>5<\/td><td>101<\/td><td>Critical<\/td><td>\u91cd\u8981\u901a\u4fe1\uff08\u97f3\u58f0\u306a\u3069\uff09<\/td><\/tr><tr><td>4<\/td><td>100<\/td><td>Flash Override<\/td><td>\u9ad8\u512a\u5148\u5ea6\u901a\u4fe1<\/td><\/tr><tr><td>3<\/td><td>011<\/td><td>Flash<\/td><td>\u512a\u5148\u5ea6\u4e2d\uff08\u97f3\u58f0\u306a\u3069\u3067\u5229\u7528\u3055\u308c\u308b\u5834\u5408\u3042\u308a\uff09<\/td><\/tr><tr><td>2<\/td><td>010<\/td><td>Immediate<\/td><td>\u5373\u6642\u901a\u4fe1<\/td><\/tr><tr><td>1<\/td><td>001<\/td><td>Priority<\/td><td>\u512a\u5148\u901a\u4fe1<\/td><\/tr><tr><td>0<\/td><td>000<\/td><td>Routine<\/td><td>\u901a\u5e38\u901a\u4fe1\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u3067\u306f <strong>6\u30687\u306f\u5236\u5fa1\u7528\u3067\u4e88\u7d04\u6e08\u307f\u3001\u7ba1\u7406\u8005\u304c\u4f7f\u3046\u306e\u306f\u901a\u5e380\uff5e5<\/strong> \u3068\u3044\u3046\u70b9\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IP Precedence\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u30ec\u30ac\u30b7\u30fc\u306a\u65b9\u6cd5\uff1aPBR\uff08Policy-Based Routing\uff09\u3092\u5229\u7528<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">PBR\u3092\u4f7f\u3063\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u30de\u30fc\u30ad\u30f3\u30b0\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\uff1a\u5b9b\u5148\u304c172.16.1.1\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b <strong>IP Precedence 5\uff08Critical\uff09<\/strong> \u3092\u4ed8\u4e0e\u3059\u308b\u8a2d\u5b9a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>access-list 101 permit ip any host 172.16.1.1\n\nroute-map R-MARK permit 10\n match ip address 101\n set ip precedence critical\n\ninterface GigabitEthernet0\/0\n ip policy route-map R-MARK<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">ACL101\u306b\u4e00\u81f4\u3057\u306a\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3001\u305d\u306e\u307e\u307e\u5143\u306ePrecedence\u5024\u3067\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u73fe\u5728\u306e\u4e3b\u6d41\uff1aClass-Based\u30d1\u30b1\u30c3\u30c8\u30de\u30fc\u30ad\u30f3\u30b0\uff08MQC\u65b9\u5f0f\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u5728\u306f <strong>MQC\uff08Modular QoS CLI\uff09<\/strong> \u306b\u57fa\u3065\u304f\u8a2d\u5b9a\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u3053\u308c\u3092\u5229\u7528\u3059\u308b\u306b\u306f <strong>CEF\uff08Cisco Express Forwarding\uff09<\/strong> \u3092\u6709\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\uff1a\u5b9b\u5148\u304c172.16.1.1\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b <strong>IP Precedence 5<\/strong> \u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ip cef\naccess-list 101 permit ip any host 172.16.1.1\n\nclass-map match-all C-MARK\n match access-group 101\n\npolicy-map P-MARK\n class C-MARK\n  set ip precedence 5\n\ninterface GigabitEthernet0\/0\n service-policy input P-MARK<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">ACL101\u306b\u4e00\u81f4\u3057\u306a\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3001\u65e2\u5b58\u306eIP Precedence\u5024\u3092\u4fdd\u6301\u3057\u3066\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<br>\u30fb<strong>IP\u30d8\u30c3\u30c0\u306eToS\u30d5\u30a3\u30fc\u30eb\u30c9\u4e0a\u4f4d3\u30d3\u30c3\u30c8 = IP Precedence<\/strong><br>\u30fb\u5024\u306f0\uff5e7\u3067\u3001\u6570\u5024\u304c\u5927\u304d\u3044\u307b\u3069\u512a\u5148\u5ea6\u304c\u9ad8\u3044<br>\u30fb<strong>6\u30687\u306f\u5236\u5fa1\u7528\u3067\u4e88\u7d04\u6e08\u307f\u3001\u5229\u7528\u3059\u308b\u306e\u306f\u901a\u5e380\uff5e5<\/strong><br>\u30fb\u65e7\u65b9\u5f0f\uff1aPBR\u3067\u8a2d\u5b9a\u3001\u65b0\u65b9\u5f0f\uff1aClass-Based QoS\uff08MQC\uff09\u3067\u8a2d\u5b9a<br>\u30fb\u97f3\u58f0\u30d1\u30b1\u30c3\u30c8\u306b\u306f\u901a\u5e38\u300c3\uff08Flash\uff09\u300d\u307e\u305f\u306f\u300c5\uff08Critical\uff09\u300d\u304c\u4f7f\u308f\u308c\u308b<br><br>\u3053\u306e\u70b9\u3092\u62bc\u3055\u3048\u3066\u304a\u3051\u3070\u3001\u8a66\u9a13\u3067\u306e\u300cIP Precedence\u3068DSCP\u306e\u9055\u3044\u300d\u300c\u3069\u306e\u5024\u3092\u97f3\u58f0\u306b\u5272\u308a\u5f53\u3066\u308b\u3079\u304d\u304b\u300d\u3068\u3044\u3063\u305f\u554f\u984c\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DSCP\uff08Differentiated Services Code Point\uff09\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">DSCP\uff08Differentiated Services Code Point\uff09<\/span><\/strong>\u306f\u3001IP\u30d1\u30b1\u30c3\u30c8\u306b\u512a\u5148\u5ea6\u3092\u4e0e\u3048\u308b\u4ed5\u7d44\u307f\u3067\u3042\u308a\u3001QoS\uff08Quality of Service\uff09\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u4ee3\u8868\u7684\u306a\u30de\u30fc\u30ad\u30f3\u30b0\u65b9\u5f0f\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IP Precedence\u304c <strong>IP\u30d8\u30c3\u30c0\u306eToS\u30d5\u30a3\u30fc\u30eb\u30c9\uff088\u30d3\u30c3\u30c8\uff09\u306e\u3046\u3061\u4e0a\u4f4d3\u30d3\u30c3\u30c8\u3092\u4f7f\u7528<\/strong> \u3057\u3066\u3044\u305f\u306e\u306b\u5bfe\u3057\u3066\u3001DSCP\u306f <strong>6\u30d3\u30c3\u30c8\u3092\u5229\u7528<\/strong> \u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IP Precedence\uff1a0\uff5e7\u306e8\u6bb5\u968e<\/li>\n\n\n\n<li>DSCP\uff1a0\uff5e63\u306e64\u6bb5\u968e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3001\u3088\u308a\u7d30\u304b\u304f\u512a\u5148\u5ea6\u3092\u5b9a\u7fa9\u3067\u304d\u308b\u70b9\u304c\u5927\u304d\u306a\u9055\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u62e1\u5f35\u306b\u3088\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u6027\u306b\u5fdc\u3058\u305f\u304d\u3081\u7d30\u304b\u3044QoS\u5236\u5fa1\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DSCP\u3068IP Precedence\u306e\u95a2\u4fc2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DSCP\u306f\u3001IP Precedence\u3068\u306e\u4e0b\u4f4d\u4e92\u63db\u6027\u3092\u4fdd\u3064\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001DSCP\u306e\u5148\u982d3\u30d3\u30c3\u30c8\u306fIP Precedence\u306e\u5024\u3068\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u53e4\u3044\u6a5f\u5668\u3067\u3082\u4e92\u63db\u7684\u306b\u6271\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001DiffServ\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u6a5f\u5668\u3092\u901a\u904e\u3059\u308b\u5834\u5408\u3001\u8a2d\u5b9a\u3055\u308c\u305fDSCP\u5024\u306f\u7121\u8996\u3055\u308c\u308b\u304b\u3001ToS\u5024\u3068\u3057\u3066\u89e3\u91c8\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DSCP\u5024\u3068PHB\uff08Per Hop Behavior\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DSCP\u306e\u5024\u306b\u3088\u3063\u3066\u3001\u30eb\u30fc\u30bf\u3084\u30b9\u30a4\u30c3\u30c1\u304c\u30d1\u30b1\u30c3\u30c8\u3092\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3059\u308b\u304b\u3092\u6c7a\u3081\u308b\u52d5\u4f5c\u65b9\u91dd\u3092 <span class=\"swl-marker mark_yellow\"><strong>PHB\uff08Per Hop Behavior\uff09<\/strong> <\/span>\u3068\u547c\u3073\u307e\u3059\u3002\u4e3b\u306a\u5206\u985e\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>PHB<\/th><th>DSCP\u5024\uff082\u9032\uff09<\/th><th>DSCP\u5024\uff0810\u9032\uff09<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>Default<\/td><td>000000<\/td><td>0<\/td><td>\u30d9\u30b9\u30c8\u30a8\u30d5\u30a9\u30fc\u30c8\u3002\u512a\u5148\u3057\u306a\u3044\u901a\u5e38\u306e\u30c7\u30fc\u30bf\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5272\u308a\u5f53\u3066<\/td><\/tr><tr><td>CS\uff08Class Selector\uff09<\/td><td>000000\uff5e111000<\/td><td>0, 8, 16, 24, 32, 40, 48, 56<\/td><td>IP Precedence\u3068\u306e\u4e92\u63db\u6027\u3002\u4f8b\uff1aCS5\uff0840\uff09\u306fPrecedence 5\u3068\u540c\u3058\u610f\u5473<\/td><\/tr><tr><td>AF\uff08Assured Forwarding\uff09<\/td><td>001010\uff5e100110<\/td><td>10\uff5e38<\/td><td>\u512a\u5148\u5ea6\u3068\u5ec3\u68c4\u30ec\u30d9\u30eb\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u30af\u30e9\u30b9\u3002\u4f8b\uff1aAF41\u306f\u9ad8\u512a\u5148\u5ea6\u304b\u3064\u4f4e\u5ec3\u68c4\u30ec\u30d9\u30eb<\/td><\/tr><tr><td>EF\uff08Expedited Forwarding\uff09<\/td><td>101110<\/td><td>46<\/td><td>\u6700\u512a\u5148\u3067\u51e6\u7406\u3059\u308b\u30af\u30e9\u30b9\u3002\u4e3b\u306b\u97f3\u58f0\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5272\u308a\u5f53\u3066<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">AF\u30af\u30e9\u30b9\u306e\u898b\u65b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">AF\u306f\u300c\u512a\u5148\u5ea6\uff08\u524d3\u30d3\u30c3\u30c8\uff09\u300d\u3068\u300c\u5ec3\u68c4\u30ec\u30d9\u30eb\uff08\u5f8c2\u30d3\u30c3\u30c8\uff09\u300d\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u8868\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AF41\u306f\u9ad8\u512a\u5148\u5ea6\u30fb\u4f4e\u5ec3\u68c4<\/li>\n\n\n\n<li>AF43\u306f\u9ad8\u512a\u5148\u5ea6\u30fb\u9ad8\u5ec3\u68c4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u91cd\u8981\u3060\u304c\u3042\u308b\u7a0b\u5ea6\u306e\u5ec3\u68c4\u306f\u8a31\u5bb9\u3067\u304d\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306a\u3069\u3092\u67d4\u8edf\u306b\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">EF\u30af\u30e9\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EF\uff08Expedited Forwarding, DSCP=46\uff09\u306f\u300c\u6700\u512a\u5148\u3067\u78ba\u5b9f\u306b\u51e6\u7406\u3055\u308c\u308b\u300d\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u97f3\u58f0\u901a\u8a71\u3084\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1\u3067\u3088\u304f\u5229\u7528\u3055\u308c\u3001\u4e8b\u5b9f\u4e0a <strong>\u97f3\u58f0\u7528\u306e\u6a19\u6e96\u7684DSCP\u5024<\/strong> \u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002EF\u306f\u5e38\u306b\u512a\u5148\u51e6\u7406\u3055\u308c\u308b\u305f\u3081\u3001\u5ec3\u68c4\uff08\u30c9\u30ed\u30c3\u30d7\uff09\u306f\u57fa\u672c\u7684\u306b\u8003\u616e\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DSCP\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cisco\u6a5f\u5668\u3067\u306f\u3001IP Precedence\u3068\u540c\u3058\u3088\u3046\u306b\u300c\u30eb\u30fc\u30c8\u30de\u30c3\u30d7\u300d\u307e\u305f\u306f\u300cClass-Based QoS\u300d\u3067\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\uff1aClass-Based QoS\u3067DSCP\u5024\u3092\u4ed8\u4e0e\u3059\u308b\u5834\u5408<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class-map match-all C-MARK\n match access-group 101\n\npolicy-map P-MARK\n class C-MARK\n  set dscp ef\n\ninterface GigabitEthernet0\/0\n service-policy input P-MARK<\/code><\/pre>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<br>\u30fbDSCP\u306f <strong>6\u30d3\u30c3\u30c8\u306764\u6bb5\u968e<\/strong>\u3001IP Precedence\u306f <strong>3\u30d3\u30c3\u30c8\u30678\u6bb5\u968e<\/strong><br>\u30fbDSCP\u306e\u51e6\u7406\u65b9\u91dd\u306f <strong>PHB\uff08Per Hop Behavior\uff09<\/strong> \u3067\u6c7a\u307e\u308b<br>\u30fb<strong>EF\uff0846\uff09\uff1d\u97f3\u58f0\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u7528<\/strong> \u2192 \u6700\u512a\u5148\u51e6\u7406\u3001\u8a66\u9a13\u983b\u51fa<br>\u30fb<strong>CS\u30af\u30e9\u30b9\uff1dIP Precedence\u4e92\u63db<\/strong><br>\u30fb<strong>AF\u30af\u30e9\u30b9\uff1d\u512a\u5148\u5ea6\uff0b\u5ec3\u68c4\u30ec\u30d9\u30eb<\/strong><br><br>\u3053\u306e\u9055\u3044\u3092\u62bc\u3055\u3048\u3066\u304a\u304f\u3068\u3001IP Precedence\u3068DSCP\u306e\u95a2\u4fc2\u3084\u300c\u97f3\u58f0\u306b\u9069\u5207\u306aDSCP\u5024\u306f\u4f55\u304b\u300d\u3068\u3044\u3063\u305f\u554f\u984c\u3092\u78ba\u5b9f\u306b\u89e3\u7b54\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CoS\uff08Class of Service\uff09\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">CoS\uff08Class of Service\uff09<\/span><\/strong>\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">Ethernet\u30d5\u30ec\u30fc\u30e0\u306b\u4ed8\u4e0e\u3055\u308c\u308b\u512a\u5148\u5ea6\u60c5\u5831<\/span><\/strong>\u306e\u3053\u3068\u3067\u3059\u3002IP\u30d1\u30b1\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u306f <strong>IP Precedence<\/strong> \u3084 <strong>DSCP<\/strong> \u3092\u4f7f\u3063\u3066\u512a\u5148\u5ea6\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u304c\u3001Ethernet\u30d5\u30ec\u30fc\u30e0\u305d\u306e\u3082\u306e\u306b\u5bfe\u3057\u3066\u306f <strong>CoS<\/strong> \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u60c5\u5831\u306f\u3001IEEE 802.1Q\uff08VLAN\u30bf\u30b0\u4ed8\u304d\u30d5\u30ec\u30fc\u30e0\uff09\u306e <strong>\u30bf\u30b0\u5185\u306b\u3042\u308b3\u30d3\u30c3\u30c8\u306e\u30d5\u30a3\u30fc\u30eb\u30c9<\/strong> \u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5024\u306f <strong>0\uff5e7\u306e8\u6bb5\u968e<\/strong> \u3067\u5b9a\u7fa9\u3055\u308c\u3001\u6570\u5024\u304c\u5927\u304d\u3044\u307b\u3069\u512a\u5148\u5ea6\u304c\u9ad8\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CoS\u5024\u3092\u4f1d\u9001\u3067\u304d\u308b\u6761\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CoS\u306f <strong>802.1Q\u30bf\u30b0\u5185\u306e\u60c5\u5831<\/strong>\u3067\u3042\u308b\u305f\u3081\u3001\u30b9\u30a4\u30c3\u30c1\u9593\u3092\u63a5\u7d9a\u3059\u308b\u30dd\u30fc\u30c8\u304c<span class=\"swl-marker mark_yellow\">\u300c<strong>\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8<\/strong>\u300d<\/span>\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30af\u30bb\u30b9\u30dd\u30fc\u30c8\u3067\u306f\u30d5\u30ec\u30fc\u30e0\u306b\u30bf\u30b0\u304c\u4ed8\u4e0e\u3055\u308c\u306a\u3044\u305f\u3081\u3001CoS\u60c5\u5831\u306f\u4f1d\u9054\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3064\u307e\u308a\u3001CoS\u5024\u3092\u6709\u52b9\u306b\u6d3b\u7528\u3059\u308b\u306b\u306f\u300cVLAN\u30bf\u30b0\u304c\u4ed8\u3044\u305f\u30d5\u30ec\u30fc\u30e0\u3067\u901a\u4fe1\u3059\u308b\u300d\uff1d\u300c\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8\u3092\u5229\u7528\u3059\u308b\u300d\u3053\u3068\u304c\u524d\u63d0\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CoS\u95a2\u9023\u306eCatalyst\u30b9\u30a4\u30c3\u30c1\u8a2d\u5b9a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CoS\u306f\u30b9\u30a4\u30c3\u30c1\u4e0a\u3067\u6271\u3046QoS\u306e\u4e00\u90e8\u3068\u3057\u3066\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002Catalyst\u30b9\u30a4\u30c3\u30c1\u3067\u5229\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u307e\u305aQoS\u6a5f\u80fd\u3092\u6709\u52b9\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">QoS\u306e\u6709\u52b9\u5316<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# mls qos<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u512a\u5148\u5ea6\u60c5\u5831\u306e\u4fe1\u983c\uff08trust\uff09\u306e\u8a2d\u5b9a<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30a4\u30c3\u30c1\u306e\u30dd\u30fc\u30c8\u306b\u5165\u3063\u3066\u304f\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5bfe\u3057\u3066\u3001\u3069\u306e\u512a\u5148\u5ea6\u60c5\u5831\u3092\u4fe1\u983c\u3059\u308b\u306e\u304b\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CoS\uff08Ethernet\u30d5\u30ec\u30fc\u30e0\u306e\u30bf\u30b0\u306e\u512a\u5148\u5ea6\uff09<\/li>\n\n\n\n<li>DSCP\uff08IP\u30d1\u30b1\u30c3\u30c8\u306e\u512a\u5148\u5ea6\uff09<\/li>\n\n\n\n<li>IP Precedence\uff08IP\u30d8\u30c3\u30c0\u5185\u306e\u512a\u5148\u5ea6\uff09<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# interface interface-id\n(config-if)# mls qos trust &#91;cos | dscp | ip-precedence]<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u8a2d\u5b9a\u4f8b\uff08\u97f3\u58f0VLAN\u3068\u30c7\u30fc\u30bfVLAN\u3092\u5206\u3051\u308b\u5834\u5408\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>vlan 10\n name Voice\nvlan 20\n name Data\n\nmls qos\n\ninterface FastEthernet0\/1\n switchport mode access\n switchport voice vlan 10\n switchport access vlan 20\n mls qos trust cos\n mls qos trust cisco-phone\n priority-queue out<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001VLAN10\u3092\u97f3\u58f0\u7528\u3001VLAN20\u3092\u30c7\u30fc\u30bf\u7528\u3068\u3057\u3001<strong>CoS\u5024\u3092\u4fe1\u983c\u3059\u308b\u8a2d\u5b9a<\/strong>\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u97f3\u58f0VLAN\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u512a\u5148\u5ea6\u3092\u57fa\u306b\u3057\u305f\u5236\u5fa1\u304c\u53ef\u80fd\u3068\u306a\u308a\u3001\u97f3\u58f0\u901a\u8a71\u306e\u54c1\u8cea\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CoS\u3068Catalyst QoS\u306e\u95a2\u4fc2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Catalyst\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u3001\u5165\u529b\u3057\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e <strong>CoS\u30fbDSCP\u30fbIP Precedence<\/strong> \u306e\u3044\u305a\u308c\u304b\u3092\u4fe1\u983c\u3057\u3001\u305d\u306e\u60c5\u5831\u3092\u3082\u3068\u306b <strong>QoS\u30e9\u30d9\u30eb\uff08CoS\u5024\u307e\u305f\u306fDSCP\u5024\uff09<\/strong> \u3092\u751f\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u3053\u306e\u30e9\u30d9\u30eb\u60c5\u5831\u3092\u57fa\u306b\u3057\u3066\u30d1\u30b1\u30c3\u30c8\u304c\u5165\u529b\u30ad\u30e5\u30fc\u3084\u51fa\u529b\u30ad\u30e5\u30fc\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<br>\u30fbCoS\u306f <strong>Ethernet\u30d5\u30ec\u30fc\u30e0\u306e\u512a\u5148\u5ea6<\/strong>\uff083\u30d3\u30c3\u30c8\u30010\uff5e7\u306e8\u6bb5\u968e\uff09<br>\u30fbVLAN\u30bf\u30b0\u306b\u542b\u307e\u308c\u308b\u305f\u3081 <strong>\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8\u5fc5\u9808<\/strong><br>\u30fbQoS\u3092\u6709\u52b9\u306b\u3059\u308b\u306b\u306f <code>mls qos<\/code> \u30b3\u30de\u30f3\u30c9\u304c\u5fc5\u8981<br>\u30fb<code>mls qos trust cos<\/code> \u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067CoS\u3092\u4fe1\u983c\u3067\u304d\u308b<br>\u30fb\u97f3\u58f0VLAN\u3068\u30c7\u30fc\u30bfVLAN\u306e\u6df7\u5728\u74b0\u5883\u3067\u306f\u3001CoS\u3092\u5229\u7528\u3057\u3066\u97f3\u58f0\u3092\u512a\u5148\u51e6\u7406\u3059\u308b\u306e\u304c\u4e00\u822c\u7684<br><br>\u3053\u308c\u3092\u62bc\u3055\u3048\u3066\u304a\u3051\u3070\u3001\u8a66\u9a13\u3067\u300cCoS\u3068DSCP\/IP Precedence\u306e\u9055\u3044\u300d\u3084\u300c\u3069\u306e\u30dd\u30fc\u30c8\u3067\u6709\u52b9\u304b\u300d\u3068\u3044\u3063\u305f\u554f\u984c\u306b\u78ba\u5b9f\u306b\u7b54\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">NBAR\uff08Network-Based Application Recognition\uff09\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">NBAR\uff08Network-Based Application Recognition\uff09<\/span><\/strong>\u306f\u3001Cisco IOS\u306b\u6a19\u6e96\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8b58\u5225\u30a8\u30f3\u30b8\u30f3\u3067\u3059\u3002\u5f93\u6765\u306eL3\/L4\uff08IP\u30a2\u30c9\u30ec\u30b9\u3084\u30dd\u30fc\u30c8\u756a\u53f7\uff09\u306b\u3088\u308b\u5206\u985e\u3060\u3051\u3067\u306a\u304f\u3001L7\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u60c5\u5831\u307e\u3067\u89e3\u6790\u3067\u304d\u308b\u306e\u304c\u5927\u304d\u306a\u7279\u5fb4\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u3084Web\u30b5\u30a4\u30c8\u3054\u3068\u306e\u8b58\u5225\u3084\u5236\u5fa1\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001HTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092URL\u3084\u30db\u30b9\u30c8\u540d\u3067\u5206\u985e\u3057\u305f\u308a\u3001\u7279\u5b9a\u306eMIME\u30bf\u30a4\u30d7\u306b\u57fa\u3065\u3044\u3066\u5236\u5fa1\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">NBAR\u3068PDLM\uff08Packet Description Language Module\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NBAR\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u5bfe\u5fdc\u7bc4\u56f2\u306fPDLM\uff08Packet Description Language Module\uff09\u306b\u3088\u3063\u3066\u62e1\u5f35\u53ef\u80fd\u3067\u3059\u3002PDLM\u3092\u5229\u7528\u3059\u308b\u3068\u3001IOS\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3084\u30eb\u30fc\u30bf\u306e\u30ea\u30ed\u30fc\u30c9\u3092\u884c\u308f\u306a\u304f\u3066\u3082\u65b0\u3057\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001NBAR\u304c\u6a19\u6e96\u3067\u8a8d\u8b58\u3057\u306a\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3082\u3001\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u306aTCP\/UDP\u30dd\u30fc\u30c8\u3092\u5272\u308a\u5f53\u3066\u3066\u8a8d\u8b58\u53ef\u80fd\u306b\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">NBAR\u306e\u6a5f\u80fd\u2460\uff1aProtocol Discovery<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NBAR\u306b\u306fProtocol Discovery\u3068\u3044\u3046\u7d71\u8a08\u60c5\u5831\u53ce\u96c6\u6a5f\u80fd\u304c\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u901a\u904e\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3054\u3068\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8a2d\u5b9a\u4f8b<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# interface interface-id\n(config-if)# ip nbar protocol-discovery<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>show policy-map interface interface-id\nshow ip nbar protocol-discovery interface interface-id<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306b\u3088\u308a\u3001\u305d\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6d41\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3054\u3068\u306e\u5229\u7528\u72b6\u6cc1\u3092\u628a\u63e1\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">NBAR\u306e\u6a5f\u80fd\u2461\uff1a\u5206\u985e\uff08Classification\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NBAR\u3067\u5206\u985e\u3092\u884c\u3046\u306b\u306f\u3001\u307e\u305aCEF\uff08Cisco Express Forwarding\uff09\u3092\u6709\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# ip cef<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u985e\u81ea\u4f53\u306fMQC\uff08Modular QoS CLI\uff09\u3067\u8a2d\u5b9a\u3057\u307e\u3059\u3002class-map\u5185\u3067\u300cmatch protocol\u300d\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001NBAR\u304c\u8a8d\u8b58\u53ef\u80fd\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u57fa\u6e96\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# class-map NAME\n(config-cmap)# match protocol protocol-name<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP\u306e\u5834\u5408\u306f\u3001\u3055\u3089\u306b\u7d30\u304b\u3044\u6761\u4ef6\u6307\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">NBAR\u306b\u3088\u308bHTTP\u5206\u985e\uff08match protocol http\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP\u3092\u5bfe\u8c61\u3068\u3059\u308b\u5834\u5408\u3001URL\u3084\u30db\u30b9\u30c8\u540d\u3001MIME\u30bf\u30a4\u30d7\u3001\u30d8\u30c3\u30c0\u5185\u5bb9\u306b\u57fa\u3065\u3044\u3066\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config-cmap)# match protocol http &#91; url string | host string | mime type | c-header-field string | s-header-field string ]<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>url string\uff1a\u6307\u5b9a\u3057\u305fURL\u306b\u57fa\u3065\u3044\u3066\u5206\u985e<\/li>\n\n\n\n<li>host string\uff1a\u7279\u5b9a\u306e\u30db\u30b9\u30c8\u540d\u306b\u57fa\u3065\u3044\u3066\u5206\u985e<\/li>\n\n\n\n<li>mime type\uff1aHTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u306eMIME\u30bf\u30a4\u30d7\u3067\u5206\u985e<\/li>\n\n\n\n<li>c-header-field string\uff1aHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d8\u30c3\u30c0\u60c5\u5831\u3092\u57fa\u6e96\u306b\u5206\u985e<\/li>\n\n\n\n<li>s-header-field string\uff1aHTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30d8\u30c3\u30c0\u60c5\u5831\u3092\u57fa\u6e96\u306b\u5206\u985e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3055\u3089\u306bNBAR\u3067\u306f\u3001\u6b63\u898f\u8868\u73fe\u3092\u5229\u7528\u3057\u3066\u67d4\u8edf\u306a\u6307\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>*<\/code>\uff1a\u4efb\u610f\u306e\u6587\u5b57\u5217\uff080\u6587\u5b57\u4ee5\u4e0a\uff09<\/li>\n\n\n\n<li><code>?<\/code>\uff1a\u4efb\u610f\u306e1\u6587\u5b57\u4ee5\u4e0a<\/li>\n\n\n\n<li><code>|<\/code>\uff1aOR\u6761\u4ef6<\/li>\n\n\n\n<li><code>( | )<\/code>\uff1a\u8907\u6570\u306e\u6587\u5b57\u5217\u306eOR\u6761\u4ef6<\/li>\n\n\n\n<li><code>[ ]<\/code>\uff1a\u6587\u5b57\u30bb\u30c3\u30c8\u306e\u3044\u305a\u308c\u304b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">NBAR\u306e\u8a2d\u5b9a\u4f8b<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>ip cef\n\nclass-map CLASS1\n match protocol http c-header-field \"somebody@cisco.com\"\n\nclass-map CLASS2\n match protocol http c-header-field \"https:\/\/www.cisco.com\/routers\"\n\nclass-map CLASS3\n match protocol http s-header-field \"https:\/\/www.cisco.com\/routers\"\n\nclass-map CLASS4\n match protocol http s-header-field \"gzip\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u7279\u5b9a\u30d8\u30c3\u30c0\u306b\u542b\u307e\u308c\u308b\u60c5\u5831\u3092\u57fa\u6e96\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u985e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1aNBAR\u306fL7\u307e\u3067\u8b58\u5225\u3067\u304d\u308b\u5206\u985e\u30a8\u30f3\u30b8\u30f3\u3067\u3042\u308a\u3001\u5f93\u6765\u306eACL\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u3088\u308b\u65b9\u6cd5\u3088\u308a\u3082\u8a73\u7d30\u306a\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002PDLM\u306b\u3088\u3063\u3066\u65b0\u3057\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u3082\u8ffd\u52a0\u3067\u304d\u3001Protocol Discovery\u3067\u5229\u7528\u72b6\u6cc1\u306e\u53ef\u8996\u5316\u3082\u3067\u304d\u307e\u3059\u3002MQC\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u300cmatch protocol\u300d\u3067\u5206\u985e\u3092\u884c\u3046\u306e\u304c\u4e00\u822c\u7684\u3067\u3001\u7279\u306bHTTP\u306e\u7d30\u304b\u3044\u5206\u985e\uff08URL\u3084\u30db\u30b9\u30c8\u540d\u306a\u3069\uff09\u304c\u3067\u304d\u308b\u70b9\u306f\u8a66\u9a13\u3067\u3082\u983b\u51fa\u3067\u3059\u3002<\/p>\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\/05\/QoS\uff08\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u985e\u3068\u30de\u30fc\u30ad\u30f3\u30b0\uff09.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"QoS\uff08\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u985e\u3068\u30de\u30fc\u30ad\u30f3\u30af\u3099\uff09\u306e\u57cb\u3081\u8fbc\u307f\u3002\"><\/object><a 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[&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":[14],"tags":[],"class_list":["post-302","post","type-post","status-publish","format-standard","hentry","category-ip-service"],"_links":{"self":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/302","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=302"}],"version-history":[{"count":5,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/302\/revisions"}],"predecessor-version":[{"id":795,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/302\/revisions\/795"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}