{"id":1350,"date":"2025-10-10T04:23:23","date_gmt":"2025-10-09T19:23:23","guid":{"rendered":"https:\/\/mylifeisbeautiful555.net\/?page_id=1350"},"modified":"2025-10-11T16:12:52","modified_gmt":"2025-10-11T07:12:52","slug":"stp%e3%81%ae%e6%96%b9%e5%bc%8fcst-pvst","status":"publish","type":"page","link":"https:\/\/mylifeisbeautiful555.net\/?page_id=1350","title":{"rendered":"STP\u306e\u65b9\u5f0f(CST, PVST)"},"content":{"rendered":"\n

STP\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u9593\u306e\u30eb\u30fc\u30d7\u9632\u6b62<\/strong>\u3092\u76ee\u7684\u3068\u3057\u305fL2\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002
\u3057\u304b\u3057\u3001VLAN\u304c\u5c0e\u5165\u3055\u308c\u308b\u3068\u300cVLAN\u3054\u3068\u306b\u7d4c\u8def\u3092\u6700\u9069\u5316\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u30cb\u30fc\u30ba\u304c\u751f\u307e\u308c\u307e\u3057\u305f\u3002
\u305d\u3053\u3067\u3001\u8907\u6570\u306eSTP\u65b9\u5f0f\u304c\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

<\/td>CST\uff08Common Spanning Tree\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6982\u8981<\/h3>\n\n\n\n
    \n
  • IEEE 802.1Q\uff08\u6a19\u6e96VLAN\u898f\u683c\uff09\u3067\u5b9a\u7fa9\u3055\u308c\u308b \u6a19\u6e96\u7684\u306aSTP\u30e2\u30fc\u30c9<\/strong><\/li>\n\n\n\n
  • \u5168VLAN\u306b\u5bfe\u3057\u30661\u3064\u306eSTP\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3057\u304b\u6301\u305f\u306a\u3044<\/strong><\/li>\n\n\n\n
  • VLAN\u3092\u533a\u5225\u305b\u305a\u30011\u672c\u306e\u5171\u901a\u30c4\u30ea\u30fc<\/strong>\u3092\u69cb\u7bc9\u3059\u308b<\/li>\n<\/ul>\n\n\n\n

    \u7279\u5fb4<\/strong><\/h3>\n\n\n\n
    \u9805\u76ee<\/th>\u5185\u5bb9<\/th><\/tr><\/thead>
    VLAN\u5358\u4f4d\u306eSTP<\/td>\u306a\u3057\uff08\u5168VLAN\u3067\u5171\u901a\u30c4\u30ea\u30fc\uff09<\/td><\/tr>
    \u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8<\/td>\u5168VLAN\u30671\u3064\u5171\u901a<\/td><\/tr>
    \u7d4c\u8def\u5206\u6563<\/td>\u4e0d\u53ef\uff08\u5168VLAN\u540c\u3058\u30d1\u30b9\uff09<\/td><\/tr>
    \u8ca0\u8377<\/td>\u8efd\u3044\uff08STP\u30a4\u30f3\u30b9\u30bf\u30f3\u30b91\u3064\u3060\u3051\uff09<\/td><\/tr>
    \u6a19\u6e96\u5316<\/td>IEEE\u6a19\u6e96\uff08\u30d9\u30f3\u30c0\u30fc\u5171\u901a\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n

    \u30b7\u30f3\u30d7\u30eb\u3067\u8a2d\u5b9a\u304c\u7c21\u5358<\/p>\n\n\n\n

    VLAN\u5358\u4f4d\u3067\u306e\u7d4c\u8def\u6700\u9069\u5316\u30fb\u8ca0\u8377\u5206\u6563\u304c\u3067\u304d\u306a\u3044<\/p>\n\n\n\n

    <\/td>PVST\uff08Per VLAN Spanning Tree\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u25cf\u6982\u8981<\/h3>\n\n\n\n
      \n
    • Cisco\u72ec\u81ea\u62e1\u5f35\uff08ISL\u30c8\u30e9\u30f3\u30af\u7528\uff09<\/strong><\/li>\n\n\n\n
    • VLAN\u3054\u3068\u306b\u72ec\u7acb\u3057\u305fSTP\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/strong>\u3092\u6301\u3064<\/li>\n\n\n\n
    • \u5404VLAN\u3067\u7570\u306a\u308b\u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8\u3084\u7d4c\u8def<\/strong>\u3092\u8a2d\u5b9a\u3067\u304d\u308b<\/li>\n<\/ul>\n\n\n\n

      VLAN 10 \u2192 SwitchA \u304c\u30eb\u30fc\u30c8
      VLAN 20 \u2192 SwitchB \u304c\u30eb\u30fc\u30c8
      ➡ VLAN\u3054\u3068\u306b\u7570\u306a\u308bSTP\u30c4\u30ea\u30fc\u3092\u69cb\u7bc9\u3067\u304d\u308b\u3002<\/p>\n\n\n\n

      \u25cf\u7279\u5fb4<\/h3>\n\n\n\n
      \u9805\u76ee<\/th>\u5185\u5bb9<\/th><\/tr><\/thead>
      VLAN\u5358\u4f4d\u306eSTP<\/td>\u3042\u308a\uff08VLAN\u3054\u3068\u306b\u72ec\u7acb\uff09<\/td><\/tr>
      \u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8<\/td>VLAN\u3054\u3068\u306b\u8a2d\u5b9a\u53ef\u80fd<\/td><\/tr>
      \u7d4c\u8def\u5206\u6563<\/td>\u53ef\u80fd\uff08VLAN\u3054\u3068\u306b\u5225\u30d1\u30b9\uff09<\/td><\/tr>
      \u8ca0\u8377<\/td>\u9ad8\u3044\uff08VLAN\u6570\u5206\u306eSTP\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff09<\/td><\/tr>
      \u6a19\u6e96\u5316<\/td>Cisco\u72ec\u81ea\uff08ISL\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \u25cfPVST+ \u3068\u306e\u9055\u3044<\/h3>\n\n\n\n
      \u540d\u79f0<\/th>\u30c8\u30e9\u30f3\u30af\u898f\u683c<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
      PVST<\/strong><\/td>ISL<\/td>\u65e7Cisco\u72ec\u81ea\u30d7\u30ed\u30c8\u30b3\u30eb\u3002802.1Q\u975e\u5bfe\u5fdc<\/td><\/tr>
      PVST+<\/strong><\/td>802.1Q<\/td>PVST\u3092\u62e1\u5f35\u3057\u3001IEEE\u6e96\u62e0VLAN\u3068\u3082\u4e92\u63db\u3092\u6301\u305f\u305b\u305f\u3082\u306e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      ➡ \u73fe\u5728\u306eCisco\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u3001PVST+<\/strong> \u304c\u4e3b\u6d41\u3067\u3042\u308a\u3001\u5358\u306a\u308b\u300cPVST\u300d\u3068\u8a00\u3046\u5834\u5408\u3082\u307b\u307c\u3053\u308c\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

      <\/p>\n\n\n\n

      <\/td>\u6bd4\u8f03\u8868\uff1aCST vs PVST<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      \u9805\u76ee<\/th>CST (Common STP)<\/strong><\/th>PVST (Per VLAN STP)<\/strong><\/th><\/tr><\/thead>
      \u6a19\u6e96 \/ \u72ec\u81ea<\/td>IEEE\u6a19\u6e96\uff08802.1Q\uff09<\/td>Cisco\u72ec\u81ea\uff08ISL\uff09<\/td><\/tr>
      STP\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u6570<\/td>1\uff08\u5168VLAN\u5171\u901a\uff09<\/td>VLAN\u3054\u3068\u306b1\u3064<\/td><\/tr>
      \u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8<\/td>\u5168VLAN\u5171\u901a<\/td>VLAN\u3054\u3068\u306b\u8a2d\u5b9a\u53ef\u80fd<\/td><\/tr>
      \u7d4c\u8def\u5206\u6563<\/td>\u4e0d\u53ef<\/td>\u53ef\u80fd\uff08VLAN\u5358\u4f4d\uff09<\/td><\/tr>
      \u8a2d\u5b9a\u30fb\u8ca0\u8377<\/td>\u30b7\u30f3\u30d7\u30eb\u30fb\u8efd\u3044<\/td>\u67d4\u8edf\u3060\u304c\u91cd\u3044<\/td><\/tr>
      \u73fe\u5728\u306e\u4e3b\u6d41<\/td>MSTP\uff08CST\u9032\u5316\u5f62\uff09<\/td>PVST+\uff08802.1Q\u5bfe\u5fdc\u7248\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \u25cf\u904b\u7528\u4e0a\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n
        \n
      • \u5c0f\u898f\u6a21\u30fb\u30b7\u30f3\u30d7\u30eb\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f CST<\/strong> \u3067\u3082\u5341\u5206\u3002<\/li>\n\n\n\n
      • VLAN\u3092\u591a\u7528\u3059\u308b\u4e2d\u301c\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f PVST+<\/strong> \u304c\u6709\u5229\uff08VLAN\u3054\u3068\u306b\u8ca0\u8377\u5206\u6563\u53ef\u80fd\uff09\u3002<\/li>\n\n\n\n
      • \u3055\u3089\u306b\u9032\u5316\u3057\u305f MSTP\uff08Multiple STP\uff09<\/strong> \u306f\u3001
        VLAN\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066 \u8907\u6570\u306eSTP\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u307e\u3068\u3081\u308b<\/strong>\u3053\u3068\u304c\u3067\u304d\u308b\u3002
        \u2192 CST\u3068PVST\u306e\u4e2d\u9593\u7684\u5b58\u5728\u3002<\/li>\n<\/ul>\n\n\n\n
        <\/td>\u307e\u3068\u3081<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
        \u6bd4\u8f03\u9805\u76ee<\/th>CST<\/strong><\/th>PVST<\/strong><\/th><\/tr><\/thead>
        VLAN\u3054\u3068\u306bSTP\u5206\u96e2<\/td>\u3067\u304d\u306a\u3044<\/td>\u3067\u304d\u308b<\/td><\/tr>
        \u7d4c\u8def\u5206\u6563<\/td>\u4e0d\u53ef<\/td>\u53ef\u80fd<\/td><\/tr>
        \u8ca0\u8377<\/td>\u4f4e\u3044<\/td>\u9ad8\u3044\uff08VLAN\u6570\u4f9d\u5b58\uff09<\/td><\/tr>
        \u6a19\u6e96<\/td>IEEE\u6a19\u6e96<\/td>Cisco\u72ec\u81ea<\/td><\/tr>
        \u4f7f\u7528\u30c8\u30e9\u30f3\u30af<\/td>802.1Q<\/td>ISL<\/td><\/tr>
        \u73fe\u5728\u306e\u4e3b\u6d41\u5f8c\u7d99<\/td>MSTP<\/td>PVST+<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        <\/p>\n","protected":false},"excerpt":{"rendered":"

        STP\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u9593\u306e\u30eb\u30fc\u30d7\u9632\u6b62\u3092\u76ee\u7684\u3068\u3057\u305fL2\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3057\u304b\u3057\u3001VLAN\u304c\u5c0e\u5165\u3055\u308c\u308b\u3068\u300cVLAN\u3054\u3068\u306b\u7d4c\u8def\u3092\u6700\u9069\u5316\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u30cb\u30fc\u30ba\u304c\u751f\u307e\u308c\u307e\u3057\u305f\u3002\u305d\u3053\u3067\u3001\u8907\u6570\u306eSTP\u65b9\u5f0f\u304c\u767b\u5834\u3057\u307e\u3059\u3002 \u6982\u8981 \u7279\u5fb4 \u9805\u76ee \u5185\u5bb9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1350","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1350"}],"version-history":[{"count":5,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1350\/revisions"}],"predecessor-version":[{"id":1379,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1350\/revisions\/1379"}],"wp:attachment":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}