{"id":101,"date":"2021-04-07T16:57:04","date_gmt":"2021-04-07T07:57:04","guid":{"rendered":"https:\/\/blog.andount.com\/?p=101"},"modified":"2026-04-18T15:30:39","modified_gmt":"2026-04-18T06:30:39","slug":"cisco-catalyst-3550%e3%82%b7%e3%83%aa%e3%83%bc%e3%82%ba%e3%82%b9%e3%82%a4%e3%83%83%e3%83%81%e3%81%ae%e8%a8%ad%e5%ae%9a%e8%a8%98%e9%8c%b2","status":"publish","type":"post","link":"https:\/\/blog.andount.com\/index.php\/2021\/04\/07\/101\/","title":{"rendered":"Cisco\u00a0Catalyst 3550\u30b7\u30ea\u30fc\u30ba\u30b9\u30a4\u30c3\u30c1\u306e\u8a2d\u5b9a\u8a18\u9332"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Cisco Catalyst 3550\u306fCisco\u88fd\u306eLayer 3\u30b9\u30a4\u30c3\u30c1\u3067\u3059\uff08\u73fe\u5728\u306f\u88fd\u9020\u7d42\u4e86\uff09\u3002SVI\uff08\u30b9\u30a4\u30c3\u30c1\u4eee\u60f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\uff09\u3092\u4f7f\u3063\u305fVLAN\u9593\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30b9\u30d1\u30cb\u30f3\u30b0\u30c4\u30ea\u30fc\u30fbDHCP\u30b5\u30fc\u30d0\u30fc\u6a5f\u80fd\u306a\u3069\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051\u306e\u8c4a\u5bcc\u306a\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306fVLAN\u5206\u5272\u3068L3\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u69cb\u6210\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<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:\/\/blog.andount.com\/index.php\/2021\/04\/07\/101\/#%E7%92%B0%E5%A2%83%E3%83%BB%E6%A7%8B%E6%88%90\" >\u74b0\u5883\u30fb\u69cb\u6210<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.andount.com\/index.php\/2021\/04\/07\/101\/#%E8%A8%AD%E5%AE%9A%E3%81%AE%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88\" >\u8a2d\u5b9a\u306e\u30dd\u30a4\u30f3\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.andount.com\/index.php\/2021\/04\/07\/101\/#%E8%A8%AD%E5%AE%9A%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB\" >\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%92%B0%E5%A2%83%E3%83%BB%E6%A7%8B%E6%88%90\"><\/span>\u74b0\u5883\u30fb\u69cb\u6210<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>FE0\/1<\/strong>\uff1a\u30eb\u30fc\u30bf\u30fc\u3078\u306e\u30a2\u30c3\u30d7\u30ea\u30f3\u30af\uff08L3\u30dd\u30fc\u30c8\u30fb192.168.1.2\/24\uff09<\/li><li><strong>FE0\/2\u301c12<\/strong>\uff1a\u30a2\u30af\u30bb\u30b9\u30dd\u30fc\u30c8\uff08VLAN2\u301c12\u306b\u5272\u308a\u5f53\u3066\uff09<\/li><li><strong>FE0\/13\u301c24<\/strong>\uff1a\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8\uff08dot1q\uff09<\/li><li><strong>Vlan2\u301c12\uff08SVI\uff09<\/strong>\uff1a\u5404VLAN\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\uff08192.168.2\u301c12.1\/24\uff09<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%A8%AD%E5%AE%9A%E3%81%AE%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88\"><\/span>\u8a2d\u5b9a\u306e\u30dd\u30a4\u30f3\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>VLAN\u9593\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\uff08L3\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\uff09<\/strong>\uff1aip routing\u3092\u6709\u52b9\u5316\u3057SVI\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067VLAN\u9593\u901a\u4fe1\u3092\u5b9f\u73fe\u3057\u307e\u3059<\/li><li><strong>DHCP\u30b5\u30fc\u30d0\u30fc<\/strong>\uff1a\u5404VLAN\u7528\u306eDHCP\u30d7\u30fc\u30eb\u3092\u30b9\u30a4\u30c3\u30c1\u4e0a\u3067\u8a2d\u5b9a\u3057\u7aef\u672b\u306bIP\u3092\u81ea\u52d5\u914d\u5e03\u3057\u307e\u3059<\/li><li><strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8<\/strong>\uff1aip route 0.0.0.0 0.0.0.0 192.168.1.1\u3067\u30eb\u30fc\u30bf\u30fc\u5074\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u7d4c\u8def\u3092\u5411\u3051\u307e\u3059<\/li><li><strong>\u30b9\u30d1\u30cb\u30f3\u30b0\u30c4\u30ea\u30fc\uff08PVST\uff09<\/strong>\uff1aspanning-tree mode pvst\u3067VLAN\u5358\u4f4d\u306eSTP\u3092\u52d5\u4f5c\u3055\u305b\u30eb\u30fc\u30d7\u3092\u9632\u6b62\u3057\u307e\u3059<\/li><li><strong>PortFast\uff0bBPDUGuard<\/strong>\uff1a\u30a8\u30f3\u30c9\u30db\u30b9\u30c8\u63a5\u7d9a\u30dd\u30fc\u30c8\u306b\u9069\u7528\u3057STP\u53ce\u675f\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059<\/li><li><strong>SSH v2\u30fbACL\u306b\u3088\u308bvty\u30a2\u30af\u30bb\u30b9\u5236\u9650<\/strong>\uff1a\u7ba1\u7406\u30a2\u30af\u30bb\u30b9\u3092SSH v2\u306b\u9650\u5b9a\u3057ACL\u3067\u30bd\u30fc\u30b9IP\u3092\u5236\u9650\u3057\u307e\u3059<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%A8%AD%E5%AE%9A%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB\"><\/span>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306f\u5b9f\u969b\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u30d1\u30b9\u30ef\u30fc\u30c9\u985e\u306f\u4f0f\u5b57\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"language-text\">Building configuration...\n\nCurrent configuration : 8000 bytes\n!\nversion 12.2\nno service pad\nservice timestamps debug datetime msec\nservice timestamps log datetime msec\nservice password-encryption\n!\nhostname Switch\n!\n!\nno aaa new-model\nclock timezone JST 9\nip subnet-zero\nip routing\nno ip dhcp use vrf connected\nip dhcp excluded-address 192.168.2.1\nip dhcp excluded-address 192.168.3.1\nip dhcp excluded-address 192.168.4.1\nip dhcp excluded-address 192.168.5.1\nip dhcp excluded-address 192.168.6.1\nip dhcp excluded-address 192.168.7.1\nip dhcp excluded-address 192.168.8.1\nip dhcp excluded-address 192.168.9.1\nip dhcp excluded-address 192.168.10.1\nip dhcp excluded-address 192.168.11.1\nip dhcp excluded-address 192.168.12.1\n!\nip dhcp pool Vlan2\n   network 192.168.2.0 255.255.255.0\n   default-router 192.168.2.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan3\n   network 192.168.3.0 255.255.255.0\n   default-router 192.168.3.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan4\n   network 192.168.4.0 255.255.255.0\n   default-router 192.168.4.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan5\n   network 192.168.5.0 255.255.255.0\n   default-router 192.168.5.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan6\n   network 192.168.6.0 255.255.255.0\n   default-router 192.168.6.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan7\n   network 192.168.7.0 255.255.255.0\n   default-router 192.168.7.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan8\n   network 192.168.8.0 255.255.255.0\n   default-router 192.168.8.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan9\n   network 192.168.9.0 255.255.255.0\n   default-router 192.168.9.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan10\n   network 192.168.10.0 255.255.255.0\n   default-router 192.168.10.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan11\n   network 192.168.11.0 255.255.255.0\n   default-router 192.168.11.1\n   dns-server 192.168.1.1\n!\nip dhcp pool Vlan12\n   network 192.168.12.0 255.255.255.0\n   default-router 192.168.12.1\n   dns-server 192.168.1.1\n!\n!\n!\n!\nspanning-tree mode pvst\nspanning-tree portfast bpduguard default\nspanning-tree etherchannel guard misconfig\nspanning-tree extend system-id\n!\nvlan internal allocation policy ascending\n!\nip ssh version 2\n!\n!\n!\n!\n!\ninterface FastEthernet0\/1\n no switchport\n ip address 192.168.1.2 255.255.255.0\n no cdp enable\n!\ninterface FastEthernet0\/2\n switchport access vlan 2\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/3\n switchport access vlan 3\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/4\n switchport access vlan 4\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/5\n switchport access vlan 5\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/6\n switchport access vlan 6\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/7\n switchport access vlan 7\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/8\n switchport access vlan 8\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/9\n switchport access vlan 9\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/10\n switchport access vlan 10\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/11\n switchport access vlan 11\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/12\n switchport access vlan 12\n switchport mode access\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/13\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/14\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/15\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/16\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/17\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/18\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/19\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/20\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/21\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/22\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/23\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface FastEthernet0\/24\n switchport trunk encapsulation dot1q\n switchport mode trunk\n no cdp enable\n spanning-tree portfast\n!\ninterface GigabitEthernet0\/1\n switchport mode dynamic desirable\n!\ninterface GigabitEthernet0\/2\n switchport mode dynamic desirable\n!\ninterface Vlan1\n no ip address\n shutdown\n!\ninterface Vlan2\n ip address 192.168.2.1 255.255.255.0\n!\ninterface Vlan3\n ip address 192.168.3.1 255.255.255.0\n!\ninterface Vlan4\n ip address 192.168.4.1 255.255.255.0\n!\ninterface Vlan5\n ip address 192.168.5.1 255.255.255.0\n!\ninterface Vlan6\n ip address 192.168.6.1 255.255.255.0\n!\ninterface Vlan7\n ip address 192.168.7.1 255.255.255.0\n!\ninterface Vlan8\n ip address 192.168.8.1 255.255.255.0\n!\ninterface Vlan9\n ip address 192.168.9.1 255.255.255.0\n!\ninterface Vlan10\n ip address 192.168.10.1 255.255.255.0\n!\ninterface Vlan11\n ip address 192.168.11.1 255.255.255.0\n!\ninterface Vlan12\n ip address 192.168.12.1 255.255.255.0\n!\nip classless\nip route 0.0.0.0 0.0.0.0 192.168.1.1 permanent\nno ip http server\nno ip http secure-server\n!\n!\naccess-list 1 permit 192.168.2.0 0.0.0.255\naccess-list 1 deny   any\n!\ncontrol-plane\n!\n!\nline con 0\n login local\nline vty 0 4\n access-class 1 in\n login local\n transport input ssh\nline vty 5 15\n access-class 1 in\n login local\n transport input ssh\n!\nntp server 133.243.238.163\nntp server 133.243.238.164\nntp server 133.243.238.243\nntp server 133.243.238.244\nend<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Cisco Catalyst 3550\u306fCisco\u88fd\u306eLayer 3\u30b9\u30a4\u30c3\u30c1\u3067\u3059\uff08\u73fe\u5728\u306f\u88fd\u9020\u7d42\u4e86\uff09\u3002SVI\uff08\u30b9\u30a4\u30c3\u30c1\u4eee\u60f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\uff09\u3092\u4f7f\u3063\u305fVLAN\u9593\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30b9\u30d1\u30cb\u30f3\u30b0\u30c4\u30ea\u30fc\u30fbDHCP\u30b5\u30fc\u30d0\u30fc\u6a5f\u80fd\u306a\u3069\u3001\u30a8\u30f3\u30bf\u2026 <span class=\"read-more\"><a href=\"https:\/\/blog.andount.com\/index.php\/2021\/04\/07\/101\/\">Read More: Cisco\u00a0Cata\u2026 &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-101","post","type-post","status-publish","format-standard","hentry","category-network"],"_links":{"self":[{"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/posts\/101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/comments?post=101"}],"version-history":[{"count":2,"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/posts\/101\/revisions"}],"predecessor-version":[{"id":236,"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/posts\/101\/revisions\/236"}],"wp:attachment":[{"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/media?parent=101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/categories?post=101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.andount.com\/index.php\/wp-json\/wp\/v2\/tags?post=101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}