{"id":295,"date":"2025-05-14T00:05:00","date_gmt":"2025-05-13T15:05:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=295"},"modified":"2025-10-15T15:28:01","modified_gmt":"2025-10-15T06:28:01","slug":"ip-sla","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=295","title":{"rendered":"IP SLA"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">IP SLA\u306e\u57fa\u672c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">IP SLA\uff08Service Level Agreement\uff09<\/span><\/strong>\u306f\u3001Cisco IOS\u306b\u6a19\u6e96\u3067\u5099\u308f\u3063\u3066\u3044\u308b\u76e3\u8996\u6a5f\u80fd\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6027\u80fd\u3092\u5b9f\u969b\u306b\u6e2c\u5b9a\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u30eb\u30fc\u30bf\u304c\u81ea\u3089\u6e2c\u5b9a\u7528\u30d1\u30b1\u30c3\u30c8\u3092\u751f\u6210\u3057\u3066\u9001\u4fe1\u3057\u3001\u5fdc\u7b54\u3092\u89e3\u6790\u3059\u308b\u3053\u3068\u3067\u3001\u9045\u5ef6\u3001\u30b8\u30c3\u30bf\uff08\u63fa\u3089\u304e\uff09\u3001\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u3068\u3044\u3063\u305f\u91cd\u8981\u306a\u60c5\u5831\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002PING\u304c\u5358\u7d14\u306b\u5f80\u5fa9\u6642\u9593\u3092\u6e2c\u308b\u306e\u306b\u5bfe\u3057\u3001IP SLA\u306fVoIP\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u901a\u4fe1\u306b\u8fd1\u3044\u5f62\u3067\u5b9f\u969b\u306e\u54c1\u8cea\u3092\u8a08\u6e2c\u3067\u304d\u308b\u70b9\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u97f3\u58f0\u901a\u8a71\u306b\u4f8b\u3048\u308b\u3068\u3001\u76f8\u624b\u306e\u58f0\u304c\u9045\u308c\u3066\u805e\u3053\u3048\u305f\u308a\u3001\u9014\u5207\u308c\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9045\u5ef6\u3084\u30b8\u30c3\u30bf\u306e\u5f71\u97ff\u3067\u3042\u308a\u3001IP SLA\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3053\u3046\u3057\u305f\u54c1\u8cea\u4f4e\u4e0b\u306e\u539f\u56e0\u3092\u53ef\u8996\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IP SLA\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP SLA\u3092\u5b9f\u884c\u3057\u3066\u6e2c\u5b9a\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3059\u308b\u6a5f\u5668\u3092\u300cIP SLA Sender\u300d\u3068\u547c\u3073\u307e\u3059\u3002\u53d7\u4fe1\u5074\u3068\u306a\u308b\u6a5f\u5668\u306f\u300cReceiver\u300d\u3068\u306a\u308a\u3001\u6e2c\u5b9a\u5185\u5bb9\u306b\u3088\u3063\u3066\u8981\u4ef6\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001ICMP\u30a8\u30b3\u30fc\uff08PING\u76f8\u5f53\uff09\u3092\u4f7f\u3046\u5834\u5408\u306f\u901a\u5e38\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3084\u30b5\u30fc\u30d0\u3067\u3082Receiver\u306b\u306a\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001UDP\u30b8\u30c3\u30bf\u306e\u3088\u3046\u306b\u4e00\u65b9\u5411\u306e\u6e2c\u5b9a\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u6e2c\u5b9a\u7d50\u679c\u3092Sender\u3078\u8fd4\u3059\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001Receiver\u306b\u306f\u300cip sla responder\u300d\u6a5f\u80fd\u3092\u6301\u3064Cisco IOS\u6a5f\u5668\u304c\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3064\u306eCisco\u30eb\u30fc\u30bf\u304cSender\u3068Responder\u306e\u4e21\u65b9\u3092\u62c5\u3046\u3053\u3068\u3082\u53ef\u80fd\u3067\u3001\u62e0\u70b9\u9593\u306e\u6e2c\u5b9a\u3067\u306f\u591a\u7528\u3055\u308c\u307e\u3059\u3002\u7279\u306bVoIP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u54c1\u8cea\u6e2c\u5b9a\u306b\u306fResponder\u306e\u8a2d\u5b9a\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IP SLA\u306f\u52d5\u4f5c\u30d5\u30a7\u30fc\u30ba\u304c2\u6bb5\u968e\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306e\u300c\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d5\u30a7\u30fc\u30ba\u300d\u3067Sender\u3068Responder\u9593\u306e\u901a\u4fe1\u304c\u78ba\u7acb\u3055\u308c\u3001\u305d\u306e\u5f8c\u300c\u30d7\u30ed\u30fc\u30d3\u30f3\u30b0\u30d5\u30a7\u30fc\u30ba\u300d\u3067\u5b9f\u969b\u306b\u6e2c\u5b9a\u30d1\u30b1\u30c3\u30c8\u304c\u9001\u53d7\u4fe1\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u6d41\u308c\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3068\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u3068\u304d\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IP SLA\u3068SNMP\u30c8\u30e9\u30c3\u30d7<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP SLA\u306e\u6e2c\u5b9a\u7d50\u679c\u306fSNMP\u3068\u9023\u643a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u300c\u9045\u5ef6\u304c\u4e00\u5b9a\u5024\u3092\u8d85\u3048\u305f\u3089SNMP\u30c8\u30e9\u30c3\u30d7\u3092\u767a\u751f\u3055\u305b\u308b\u300d\u3068\u3044\u3063\u305f\u3057\u304d\u3044\u5024\u306e\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002\u30b3\u30de\u30f3\u30c9\u3067 <code>snmp-server enable traps rtr<\/code> \u3092\u6709\u52b9\u5316\u3059\u308b\u3068\u3001RTT\u9045\u5ef6\u3084\u30b8\u30c3\u30bf\u3001MOS\u5024\u306a\u3069\u304c\u3057\u304d\u3044\u5024\u3092\u8d85\u3048\u305f\u5834\u5408\u306b\u901a\u77e5\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u76e3\u8996\u30b5\u30fc\u30d0\u3068\u9023\u643a\u3057\u305f\u81ea\u52d5\u30a2\u30e9\u30fc\u30c8\u306e\u4ed5\u7d44\u307f\u304c\u4f5c\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\u3068\u3057\u3066\u306f\u300cIP SLA\u3068SNMP\u3092\u9023\u643a\u3067\u304d\u308b\u300d\u3068\u3044\u3046\u77e5\u8b58\u3092\u62bc\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MOS\u5024\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u97f3\u58f0\u54c1\u8cea\u3092\u6e2c\u308b\u6307\u6a19\u3068\u3057\u3066<strong><span class=\"swl-marker mark_yellow\">\u300cMOS\uff08Mean Opinion Score\uff09\u300d<\/span><\/strong>\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u672c\u6765\u3001\u4eba\u304c\u97f3\u58f0\u3092\u805e\u3044\u30661\uff5e5\u6bb5\u968e\u3067\u8a55\u4fa1\u3059\u308b\u65b9\u6cd5\u3067\u3059\u304c\u3001Cisco IOS\u306fudp-jitter\u6e2c\u5b9a\u306e\u7d50\u679c\u304b\u3089\u72ec\u81ea\u306bMOS\u5024\u3092\u8a08\u7b97\u3057\u3066\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MOS\u5024\u306f\u304a\u304a\u307e\u304b\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u89e3\u91c8\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>MOS\u5024<\/th><th>\u97f3\u58f0\u54c1\u8cea<\/th><th>\u30b3\u30fc\u30c7\u30c3\u30af\u3068\u306e\u95a2\u4fc2<\/th><\/tr><\/thead><tbody><tr><td>5<\/td><td>\u975e\u5e38\u306b\u826f\u3044<\/td><td>&#8211;<\/td><\/tr><tr><td>4<\/td><td>\u826f\u3044<\/td><td>G.711\u3067\u306f4.1\u4ee5\u4e0a\u304c\u671b\u307e\u3057\u3044<\/td><\/tr><tr><td>3<\/td><td>\u666e\u901a<\/td><td>G.729\u3067\u306f3.92\u4ee5\u4e0a\u304c\u671b\u307e\u3057\u3044<\/td><\/tr><tr><td>2<\/td><td>\u60aa\u3044<\/td><td>&#8211;<\/td><\/tr><tr><td>1<\/td><td>\u975e\u5e38\u306b\u60aa\u3044<\/td><td>&#8211;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">MOS\u306f\u7d76\u5bfe\u5024\u3067\u306f\u306a\u304f\u3001\u74b0\u5883\u3054\u3068\u306b\u57fa\u6e96\u3092\u6301\u3064\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3064\u307e\u308a\u300c\u793e\u5185\u306eVoIP\u901a\u8a71\u306fMOS\u304c4.0\u3092\u4e0b\u56de\u3063\u305f\u3089\u54c1\u8cea\u4f4e\u4e0b\u3068\u307f\u306a\u3059\u300d\u3068\u3044\u3063\u305f\u57fa\u6e96\u3092\u904b\u7528\u5074\u304c\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IP SLA\u3067\u5229\u7528\u3067\u304d\u308b\u30d7\u30ed\u30c8\u30b3\u30eb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP SLA\u306f\u5358\u306a\u308bPING\u306e\u62e1\u5f35\u306b\u3068\u3069\u307e\u3089\u305a\u3001\u591a\u69d8\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u3063\u305f\u6e2c\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002\u4f8b\u3048\u3070VoIP\u7528\u306eUDP\u30b8\u30c3\u30bf\u6e2c\u5b9a\u3067\u306f\u3001\u5b9f\u969b\u306e\u97f3\u58f0\u30b3\u30fc\u30c7\u30c3\u30af\uff08G.711\u3084G.729\uff09\u3092\u30a8\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3066\u54c1\u8cea\u3092\u8a55\u4fa1\u3067\u304d\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u6027\u80fd\u6e2c\u5b9a\u3067\u306fHTTP\u3084FTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3001\u5fdc\u7b54\u6642\u9593\u3092\u76f4\u63a5\u6e2c\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u8868\u7684\u306a\u6e2c\u5b9a\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>UDP\u30b8\u30c3\u30bf<\/strong>\uff1a\u7247\u65b9\u5411\u9045\u5ef6\u3001\u30b8\u30c3\u30bf\u3001\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u3092\u6e2c\u5b9a\u3002VoIP\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3067\u4f7f\u7528\u3002<\/li>\n\n\n\n<li><strong>TCP Connect<\/strong>\uff1a\u30b5\u30fc\u30d0\u3078\u306e\u63a5\u7d9a\u6642\u9593\u3092\u6e2c\u5b9a\u3002\u30a2\u30d7\u30ea\u5fdc\u7b54\u901f\u5ea6\u306e\u8a55\u4fa1\u306b\u6709\u52b9\u3002<\/li>\n\n\n\n<li><strong>DNS \/ DHCP \/ FTP \/ HTTP<\/strong>\uff1a\u5404\u30b5\u30fc\u30d3\u30b9\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6e2c\u5b9a\u3002\u30b5\u30fc\u30d0\u6027\u80fd\u76e3\u8996\u306b\u5229\u7528\u3002<\/li>\n\n\n\n<li><strong>ICMP\u30a8\u30b3\u30fc \/ \u30d1\u30b9\u30a8\u30b3\u30fc \/ \u30d1\u30b9\u30b8\u30c3\u30bf<\/strong>\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u9045\u5ef6\u3084\u7d4c\u8def\u54c1\u8cea\u3092\u628a\u63e1\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3057\u305f\u591a\u69d8\u306a\u6e2c\u5b9a\u306b\u3088\u308a\u3001IP SLA\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e21\u9762\u3067\u6027\u80fd\u3092\u76e3\u8996\u3067\u304d\u308b\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IP SLA\u3092\u5b9f\u884c\u3059\u308b\u30eb\u30fc\u30bf\u306e\u5f79\u5272<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP SLA\u306f\u30a2\u30af\u30c6\u30a3\u30d6\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3046\u6a5f\u80fd\u306a\u306e\u3067\u3001\u6e2c\u5b9a\u30d1\u30b1\u30c3\u30c8\u3092\u5b9f\u969b\u306b\u751f\u6210\u30fb\u9001\u51fa\u3059\u308b\u300cSender\u300d\u306e\u8ca0\u8377\u306f\u6c7a\u3057\u3066\u8efd\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u7279\u306bVoIP\u54c1\u8cea\u3092\u6e2c\u308bUDP\u30b8\u30c3\u30bf\u3084MOS\u306e\u7b97\u51fa\u306a\u3069\u3067\u306f\u591a\u304f\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u3001\u904b\u7528\u74b0\u5883\u306b\u3088\u3063\u3066\u306f\u30e6\u30fc\u30b6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u51e6\u7406\u3057\u3066\u3044\u308b\u30eb\u30fc\u30bf\u306b\u4f59\u8a08\u306a\u8ca0\u62c5\u3092\u4e0e\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u5341\u5206\u306a\u4e88\u7b97\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u300c\u6e2c\u5b9a\u5c02\u7528\u306e\u30eb\u30fc\u30bf\u300d\u3092\u7528\u610f\u3057\u3001\u3053\u308c\u3092IP SLA Sender\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u306e\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u5f79\u5272\u306e\u30eb\u30fc\u30bf\u306f\u300c\u30b7\u30e3\u30c9\u30a6\u30eb\u30fc\u30bf\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001\u969c\u5bb3\u691c\u77e5\u3084\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u5236\u5fa1\u306b\u5229\u7528\u3055\u308c\u308bObject Tracking\u6a5f\u80fd\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u5834\u5408\u306f\u3001\u5b9f\u969b\u306bWAN\u3092\u63a5\u7d9a\u3057\u3066\u3044\u308b\u672c\u756a\u30eb\u30fc\u30bf\u3092Sender\u3068\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IP SLA\u306e\u8a2d\u5b9a\u4f8b\uff1aUDP\u30b8\u30c3\u30bf\u6e2c\u5b9a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP SLA\u3092\u4f7f\u3063\u305fVoIP\u54c1\u8cea\u76e3\u8996\u306e\u5178\u578b\u7684\u306a\u4f8b\u304cUDP\u30b8\u30c3\u30bf\u6e2c\u5b9a\u3067\u3059\u3002\u4ee5\u4e0b\u306f\u305d\u306e\u8a2d\u5b9a\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Cisco(config)# ip sla 1\nCisco(config-ip-sla)# udp-jitter 172.16.0.1 16384 codec g711ulaw\nCisco(config-ip-sla-jitter)# tos 160\nCisco(config)# ip sla schedule 1 life forever start-time now<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001\u5b9b\u5148IP\u3092 <strong>172.16.0.1<\/strong>\u3001\u5b9b\u5148\u30dd\u30fc\u30c8\u3092 <strong>16384<\/strong>\u3001\u30b3\u30fc\u30c7\u30c3\u30af\u3092 <strong>G.711u-law<\/strong> \u3068\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001VoIP\u901a\u8a71\u306b\u8fd1\u3044\u5f62\u5f0f\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u81ea\u52d5\u751f\u6210\u3057\u3066\u9001\u51fa\u3057\u307e\u3059\u3002\u3055\u3089\u306bToS\u5024\u3092160\u3068\u6307\u5b9a\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u306fDSCP\u502440\uff08IP Precedence 5\uff09\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u97f3\u58f0\u30d1\u30b1\u30c3\u30c8\u306fQoS\u3067\u512a\u5148\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001ToS\u3092\u660e\u793a\u3059\u308b\u3053\u3068\u3067\u5b9f\u969b\u306e\u901a\u8a71\u54c1\u8cea\u306b\u8fd1\u3044\u6e2c\u5b9a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30fc\u30c7\u30c3\u30af\u3054\u3068\u306e\u751f\u6210\u30d1\u30b1\u30c3\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">UDP\u30b8\u30c3\u30bf\u6e2c\u5b9a\u3067\u306f\u3001\u30b3\u30fc\u30c7\u30c3\u30af\u306b\u5fdc\u3058\u3066\u9001\u51fa\u3059\u308b\u30d1\u30b1\u30c3\u30c8\u30b5\u30a4\u30ba\u3084\u672c\u6570\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u30b3\u30fc\u30c7\u30c3\u30af\u306e\u4f8b\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30b3\u30fc\u30c7\u30c3\u30af<\/th><th>codec-interval<\/th><th>codec-numpackets<\/th><th>Payload\u30b5\u30a4\u30ba<\/th><\/tr><\/thead><tbody><tr><td>G.711a-law<\/td><td>20ms<\/td><td>1000\u30d1\u30b1\u30c3\u30c8<\/td><td>172\u30d0\u30a4\u30c8\uff08160+12\uff09<\/td><\/tr><tr><td>G.711u-law<\/td><td>20ms<\/td><td>1000\u30d1\u30b1\u30c3\u30c8<\/td><td>172\u30d0\u30a4\u30c8\uff08160+12\uff09<\/td><\/tr><tr><td>G.729a<\/td><td>20ms<\/td><td>1000\u30d1\u30b1\u30c3\u30c8<\/td><td>32\u30d0\u30a4\u30c8\uff0820+12\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u300c+12\u300d\u306fRTP\u30d8\u30c3\u30c0\u306b\u3042\u305f\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5b9f\u969b\u306e\u97f3\u58f0\u901a\u8a71\u3067\u767a\u751f\u3059\u308b\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306b\u8fd1\u3044\u72b6\u6cc1\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ToS\u5024\u306e\u5bfe\u5fdc\u8868<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP SLA\u3067\u8a2d\u5b9a\u3059\u308bToS\u5024\u306f\u3001IP Precedence\u5024\u3084DSCP\u5024\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u5909\u63db\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>IP SLA ToS\u5024 (10\u9032)<\/th><th>IP Precedence<\/th><th>DSCP\u5024<\/th><\/tr><\/thead><tbody><tr><td>224<\/td><td>7<\/td><td>56<\/td><\/tr><tr><td>192<\/td><td>6<\/td><td>48<\/td><\/tr><tr><td>160<\/td><td>5<\/td><td>40<\/td><\/tr><tr><td>128<\/td><td>4<\/td><td>32<\/td><\/tr><tr><td>96<\/td><td>3<\/td><td>24<\/td><\/tr><tr><td>64<\/td><td>2<\/td><td>16<\/td><\/tr><tr><td>32<\/td><td>1<\/td><td>8<\/td><\/tr><tr><td>0<\/td><td>0<\/td><td>0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u300cToS 160 \u2192 DSCP 40\u300d\u3068\u3044\u3046\u5909\u63db\u3092\u554f\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SNMP\u30c8\u30e9\u30c3\u30d7\u3068\u306e\u9023\u643a\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP SLA\u306e\u6e2c\u5b9a\u7d50\u679c\u3092SNMP\u30c8\u30e9\u30c3\u30d7\u3068\u3057\u3066\u901a\u77e5\u3059\u308b\u8a2d\u5b9a\u3082\u53ef\u80fd\u3067\u3059\u3002\u4ee5\u4e0b\u306fMOS\u5024\u304c\u3057\u304d\u3044\u5024\u3092\u4e0b\u56de\u3063\u305f\u3068\u304d\u306b\u30c8\u30e9\u30c3\u30d7\u3092\u9001\u4fe1\u3059\u308b\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Cisco(config)# snmp-server host 172.1.1.10 public\nCisco(config)# snmp-server enable traps rtr\nCisco(config)# ip sla reaction-configuration 1 react mos threshold-value 500 300 threshold-type immediate action-type trapOnly<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u306fMOS\u5024\u304c3.00\uff08\u30b3\u30de\u30f3\u30c9\u4e0a\u3067\u306f300\uff09\u3092\u4e0b\u56de\u308b\u3068\u3001\u5373\u6642\u306b\u30c8\u30e9\u30c3\u30d7\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002MOS\u306f1\u301c500\u3067\u6307\u5b9a\u3057\u3001MOS=5\u304c500\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u97f3\u58f0\u54c1\u8cea\u304c\u4f4e\u4e0b\u3057\u305f\u77ac\u9593\u306b\u76e3\u8996\u30b5\u30fc\u30d0\u3078\u901a\u77e5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Responder\u5074\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">UDP\u30b8\u30c3\u30bf\u6e2c\u5b9a\u306e\u3088\u3046\u306b\u3001\u53d7\u4fe1\u5074\u304b\u3089\u6e2c\u5b9a\u7d50\u679c\u3092\u8fd4\u3059\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001Responder\u306e\u8a2d\u5b9a\u304c\u5fc5\u9808\u3067\u3059\u3002\u8a2d\u5b9a\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u6b21\u306e1\u884c\u3092\u5165\u529b\u3059\u308c\u3070\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Cisco(config)# ip sla responder<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Responder\u3092\u6709\u52b9\u306b\u3057\u305fCisco IOS\u6a5f\u5668\u306f\u3001Sender\u304b\u3089\u9001\u3089\u308c\u308b\u6e2c\u5b9a\u7528\u30d1\u30b1\u30c3\u30c8\u306b\u5fdc\u7b54\u3057\u3066\u7d50\u679c\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u4e00\u65b9\u5411\u9045\u5ef6\u3084MOS\u5024\u306e\u7b97\u51fa\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6e2c\u5b9a\u7d50\u679c\u306e\u78ba\u8a8d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u6e2c\u5b9a\u72b6\u6cc1\u3084\u7d71\u8a08\u5024\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Router# show ip sla statistics<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u9045\u5ef6\u3001\u30b8\u30c3\u30bf\u3001\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u3001MOS\u5024\u306a\u3069\u304c\u8868\u793a\u3055\u308c\u3001VoIP\u54c1\u8cea\u3092\u6570\u5024\u7684\u306b\u628a\u63e1\u3067\u304d\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5065\u5168\u6027\u3092\u5b9a\u91cf\u7684\u306b\u8a55\u4fa1\u3059\u308b\u4e0a\u3067\u5fc5\u305a\u6d3b\u7528\u3059\u308b\u30b3\u30de\u30f3\u30c9\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\/IP-SLA.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"IP SLA\u306e\u57cb\u3081\u8fbc\u307f\u3002\"><\/object><a id=\"wp-block-file--media-2b16ce32-7b7b-4292-b604-aa8e3c1f6be9\" href=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/05\/IP-SLA.pdf\">IP SLA<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>IP SLA\u306e\u57fa\u672c IP SLA\uff08Service Level Agreement\uff09\u306f\u3001Cisco IOS\u306b\u6a19\u6e96\u3067\u5099\u308f\u3063\u3066\u3044\u308b\u76e3\u8996\u6a5f\u80fd\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6027\u80fd\u3092\u5b9f\u969b\u306b\u6e2c\u5b9a\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u30eb\u30fc\u30bf\u304c\u81ea\u3089\u6e2c\u5b9a\u7528\u30d1\u30b1\u30c3\u30c8\u3092\u751f\u6210\u3057\u3066\u9001 [&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-295","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\/295","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=295"}],"version-history":[{"count":2,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/295\/revisions"}],"predecessor-version":[{"id":759,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/295\/revisions\/759"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}