{"id":18141,"date":"2025-07-08T13:17:40","date_gmt":"2025-07-08T04:17:40","guid":{"rendered":"https:\/\/www.secuavail.com\/kb\/?p=18141"},"modified":"2025-07-08T15:33:22","modified_gmt":"2025-07-08T06:33:22","slug":"catalyst-vty-ip","status":"publish","type":"post","link":"https:\/\/www.secuavail.com\/kb\/nw-device\/catalyst-vty-ip\/","title":{"rendered":"\u3010Catalyst\u30b9\u30a4\u30c3\u30c1\u3011VTY\u3078\u306e\u9001\u4fe1\u5143IP\u5236\u5fa1"},"content":{"rendered":"<p>\u5f53\u8a18\u4e8b\u3067\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u306b\u5bfe\u3057\u3066\u3001\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u9001\u4fe1\u5143\u3092\u9650\u5b9a\u3059\u308b\u8a2d\u5b9a\u65b9\u6cd5\u3092\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/catalyst-vty-ip\/#%E4%BD%BF%E7%94%A8%E6%A9%9F%E5%99%A8%E6%83%85%E5%A0%B1\" >\u4f7f\u7528\u6a5f\u5668\u60c5\u5831<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/catalyst-vty-ip\/#VTY%EF%BC%88Virtual_Teletype%EF%BC%89%E3%81%A8%E3%81%AF\" >VTY\uff08Virtual Teletype\uff09\u3068\u306f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/catalyst-vty-ip\/#VTY%E3%81%B8%E3%81%AE%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E5%88%B6%E5%BE%A1\" >VTY\u3078\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/catalyst-vty-ip\/#%E8%A8%AD%E5%AE%9A%E6%96%B9%E6%B3%95\" >\u8a2d\u5b9a\u65b9\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/catalyst-vty-ip\/#%E3%81%BE%E3%81%A8%E3%82%81\" >\u307e\u3068\u3081<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/catalyst-vty-ip\/#%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE\" >\u53c2\u8003\u6587\u732e<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E4%BD%BF%E7%94%A8%E6%A9%9F%E5%99%A8%E6%83%85%E5%A0%B1\"><\/span>\u4f7f\u7528\u6a5f\u5668\u60c5\u5831<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u578b\u756a\uff1aCisco Catalyst C2940<br \/>\n\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30d0\u30fc\u30b8\u30e7\u30f3\uff1a12.1(22)EA13<\/p>\n<h2><span class=\"ez-toc-section\" id=\"VTY%EF%BC%88Virtual_Teletype%EF%BC%89%E3%81%A8%E3%81%AF\"><\/span>VTY\uff08Virtual Teletype\uff09\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30ea\u30e2\u30fc\u30c8\u63a5\u7d9a\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u53d7\u3051\u5165\u308c\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4eee\u60f3\u7684\u306a\u30dd\u30fc\u30c8\u3067\u3059\u3002<\/p>\n<p>Catalyst\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u3001Telnet\u3084SSH\u3068\u3044\u3063\u305f\u30ea\u30e2\u30fc\u30c8\u63a5\u7d9a\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u53d7\u3051\u4ed8\u3051\u308b\u969b\u306b\u3001\u3053\u306eVTY\u30dd\u30fc\u30c8\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<br \/>\n\u7269\u7406\u7684\u306a\u30dd\u30fc\u30c8\u3067\u306f\u306a\u304f\u3001\u4eee\u60f3\u7684\u306a\u30dd\u30fc\u30c8\u3068\u3057\u3066\u3001\u8907\u6570\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u540c\u6642\u306b\u8907\u6570\u306e\u30e6\u30fc\u30b6\u304c\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"VTY%E3%81%B8%E3%81%AE%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E5%88%B6%E5%BE%A1\"><\/span>VTY\u3078\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>VTY\u30dd\u30fc\u30c8\u306b\u5bfe\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u304c\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u72b6\u614b\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u30ea\u30b9\u30af\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3088\u308a\u5f37\u56fa\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30a2\u30af\u30bb\u30b9\u5143\u3092\u9650\u5b9a\u3057\u3001\u4fe1\u983c\u3055\u308c\u305f\u30db\u30b9\u30c8\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u306e\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<br \/>\n\u4e00\u822c\u7684\u306b\u306f\u3001ACL\uff08\u30a2\u30af\u30bb\u30b9\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30ea\u30b9\u30c8\uff09\u3092\u7528\u3044\u3066\u3001\u8a31\u53ef\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u306e\u307fVTY\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>ACL\u3068\u306f\u901a\u4fe1\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306e\u30ea\u30b9\u30c8\u3067\u3059\u3002ACL\u306b\u306f\u3001\u6a19\u6e96ACL\u3068\u62e1\u5f35ACL\u306e2\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u5236\u5fa1\u3059\u308b\u9805\u76ee\u306b\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u5f53\u8a18\u4e8b\u3067\u306f\u3001\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306e\u307f\u306b\u57fa\u3065\u3044\u3066VTY\u3078\u306e\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3057\u305f\u3044\u305f\u3081\u3001\u6a19\u6e96ACL\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u6a19\u6e96ACL\u3068\u62e1\u5f35ACL\u306e\u9055\u3044<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"141\">ACL\u306e\u7a2e\u985e<\/td>\n<td width=\"425\">\u5185\u5bb9<\/td>\n<\/tr>\n<tr>\n<td width=\"141\">\u6a19\u6e96ACL<\/td>\n<td width=\"425\">\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306e\u307f\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308bACL<\/td>\n<\/tr>\n<tr>\n<td width=\"141\">\u62e1\u5f35ACL<\/td>\n<td width=\"425\">\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3060\u3051\u3067\u306a\u304f\u3001\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3001<br \/>\n\u9001\u4fe1\u5143\/\u5b9b\u5148\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308bACL<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"%E8%A8%AD%E5%AE%9A%E6%96%B9%E6%B3%95\"><\/span>\u8a2d\u5b9a\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u25cf\u6a19\u6e96ACL\u306e\u4f5c\u6210<\/p>\n<p>\u25bc\u8a2d\u5b9a\u30b3\u30de\u30f3\u30c9<br \/>\n(config)# access-list number [ permit | deny ] ip address<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">#configure terminal (config)\r\n#access-list 1 permit 192.168.1.100 \u203b1 \r\n(config)#access-list 1 permit 192.168.2.0 0.0.0.255 \u203b2<\/pre>\n<p>\u203b1\uff1a192.168.1.100\/32\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u306e\u307f\u3092\u8a31\u53ef\u3059\u308b\uff08\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e\u307f\u8a31\u53ef\u3057\u305f\u3044\u5834\u5408\uff09<br \/>\n\u203b2\uff1a192.168.2.0\/24\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u306e\u307f\u3092\u8a31\u53ef\u3059\u308b\uff08\u7279\u5b9a\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u307f\u8a31\u53ef\u3057\u305f\u3044\u5834\u5408\uff09<\/p>\n<p>\u25cfVTY\u3078ACL\u9069\u7528<\/p>\n<p>\u25bc\u8a2d\u5b9a\u30b3\u30de\u30f3\u30c9<br \/>\n(config)#line vty 0 15<\/p>\n<p>(config-line)#access-class[ number | name ] [in | out]<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">#configure terminal\r\n(config)#line vty 0 15\r\n(config-line)#access-class 1 in \u203b3\r\n(config)#end<\/pre>\n<p>\u203b3\uff1a\u30b9\u30a4\u30c3\u30c1\u3078\u306e\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u306e\u5236\u5fa1\u3068\u3044\u3046\u70b9\u3067\u30a4\u30f3\u30d0\u30a6\u30f3\u30c9\u3092\u9069\u7528\u3057\u3066\u3044\u308b\u3002<br \/>\n\u30a4\u30f3\u30d0\u30a6\u30f3\u30c9\uff1a\u5916\u90e8\u304b\u3089\u5185\u90e8\u306b\u5165\u3063\u3066\u304f\u308b\u901a\u4fe1<br \/>\n\u30a2\u30a6\u30c8\u30d0\u30a6\u30f3\u30c9\u65b9\u5411\u3067ACL\u3092\u9069\u7528\u3059\u308b\u3068\u3001\u3053\u306e\u30b9\u30a4\u30c3\u30c1\u304b\u3089\u4ed6\u306e\u6a5f\u5668\u3078\u7ba1\u7406\u30a2\u30af\u30bb\u30b9\u3092\u884c\u3046\u969b\u306e\u5b9b\u5148\u3078\u306e\u901a\u4fe1\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u306a\u304a\u3001\u30b9\u30a4\u30c3\u30c1\u3092\u5358\u306b\u901a\u904e\u3059\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u5236\u5fa1\u5bfe\u8c61\u5916\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u25cf\u8a2d\u5b9a\u306e\u78ba\u8a8d<\/p>\n<p>\u25bc\u8a2d\u5b9a\u5185\u5bb9\u3092\u8868\u793a\u3059\u308b\u30b3\u30de\u30f3\u30c9<br \/>\n#show running-config<\/p>\n<p><a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/07\/1-3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18147 size-full\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/07\/1-3.png\" alt=\"\" width=\"988\" height=\"729\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/07\/1-3.png 988w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/07\/1-3-300x221.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2025\/07\/1-3-768x567.png 768w\" sizes=\"auto, (max-width: 988px) 100vw, 988px\" \/><\/a><\/p>\n<p>\u8a2d\u5b9a\u304c\u9069\u5207\u306b\u53cd\u6620\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u305f\u3089\u3001\u4ee5\u4e0b\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001\u8a2d\u5b9a\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u25bc\u8a2d\u5b9a\u4fdd\u5b58\u30b3\u30de\u30f3\u30c9<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">#copy running-config startup-config\r\nDestination filename [startup-config]?\r\nBuilding configuration...\r\n[OK]<\/pre>\n<p>\u8a2d\u5b9a\u306f\u4ee5\u4e0a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u307f\u306bVTY\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u6b63\u307e\u305f\u306f\u4e0d\u5be9\u306a\u30ea\u30e2\u30fc\u30c8\u63a5\u7d9a\u3092\u52b9\u679c\u7684\u306b\u906e\u65ad\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u3046\u3048\u3067\u975e\u5e38\u306b\u6709\u52b9\u306a\u624b\u6cd5\u3067\u3042\u308a\u3001\u8a2d\u5b9a\u624b\u9806\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u305f\u3081\u3001\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u969b\u306b\u306f\u7a4d\u6975\u7684\u306b\u5c0e\u5165\u3059\u3079\u304d\u8a2d\u5b9a\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE\"><\/span>\u53c2\u8003\u6587\u732e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/www.infraexpert.com\/study\/aclz8.html#google_vignette\">https:\/\/www.infraexpert.com\/study\/aclz8.html#google_vignette<\/a><br \/>\n<a href=\"https:\/\/www.n-study.com\/security-fundamentals\/vty-access-control\/\">https:\/\/www.n-study.com\/security-fundamentals\/vty-access-control\/<\/a><br \/>\n<a href=\"https:\/\/www.infraexpert.com\/study\/aclz1.html\">https:\/\/www.infraexpert.com\/study\/aclz1.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u5f53\u8a18\u4e8b\u3067\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u306b\u5bfe\u3057\u3066\u3001\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u9001\u4fe1\u5143\u3092\u9650\u5b9a\u3059\u308b\u8a2d\u5b9a\u65b9\u6cd5\u3092\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002 \u4f7f\u7528\u6a5f\u5668\u60c5\u5831 \u578b\u756a\uff1aCisco Catalyst C2940 \u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30d0\u30fc\u30b8\u30e7\u30f3\uff1a12.1(22)EA13 VTY\uff08 [&hellip;]","protected":false},"author":44,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[49,61],"tags":[],"class_list":["post-18141","post","type-post","status-publish","format-standard","hentry","category-nw-device","category-cisco"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/posts\/18141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/users\/44"}],"replies":[{"embeddable":true,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/comments?post=18141"}],"version-history":[{"count":5,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/posts\/18141\/revisions"}],"predecessor-version":[{"id":18144,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/posts\/18141\/revisions\/18144"}],"wp:attachment":[{"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/media?parent=18141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/categories?post=18141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.secuavail.com\/kb\/wp-json\/wp\/v2\/tags?post=18141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}