{"id":1358,"date":"2025-10-10T05:05:43","date_gmt":"2025-10-09T20:05:43","guid":{"rendered":"https:\/\/mylifeisbeautiful555.net\/?page_id=1358"},"modified":"2025-10-10T05:05:43","modified_gmt":"2025-10-09T20:05:43","slug":"rstp%e3%81%a8%e3%81%af-2","status":"publish","type":"page","link":"https:\/\/mylifeisbeautiful555.net\/?page_id=1358","title":{"rendered":"RSTP\u3068\u306f"},"content":{"rendered":"\n

RSTP\uff08Rapid Spanning Tree Protocol\uff09<\/strong> \u306f\u3001
\u5f93\u6765\u306e STP\uff08Spanning Tree Protocol, IEEE 802.1D\uff09<\/strong> \u3092\u6539\u826f\u3057\u3066\u3001
\u9ad8\u901f\u306b\u53ce\u675f\uff08\u7d4c\u8def\u5207\u308a\u66ff\u3048\uff09\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong> \u3067\u3059\u3002<\/p>\n\n\n\n

\u6b63\u5f0f\u306b\u306f IEEE 802.1w<\/strong> \u3067\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u306a\u305cRSTP\u304c\u5fc5\u8981\u304b<\/h2>\n\n\n\n

\u5f93\u6765\u306eSTP\u3067\u306f\u3001\u30ea\u30f3\u30af\u969c\u5bb3\u306a\u3069\u304c\u8d77\u304d\u308b\u3068\u518d\u8a08\u7b97\u30fb\u518d\u69cb\u7bc9\u306b\u7d0430\u301c50\u79d2<\/strong>\u304b\u304b\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

Blocking \u2192 Listening \u2192 Learning \u2192 Forwarding\n(15\u79d2 + 15\u79d2 = \u7d0430\u79d2)<\/code><\/pre>\n\n\n\n
\u3053\u306e\u9045\u5ef6\u306f\u3001\u97f3\u58f0\u901a\u8a71\u3084\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1\u306a\u3069\u306b\u81f4\u547d\u7684\u3067\u3059\u3002
\u305d\u3053\u3067\u3001STP\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u6539\u826f\u3057\u3066\u6570\u79d2\u4ee5\u5185\u3067\u518d\u53ce\u675f<\/strong>\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u306e\u304c RSTP \u3067\u3059\u3002<\/p>\n\n\n\n
<\/td>\u57fa\u672c\u6982\u8981<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u9805\u76ee<\/th>STP<\/th>RSTP<\/th><\/tr><\/thead>
\u898f\u683c<\/td>IEEE 802.1D<\/td>IEEE 802.1w<\/td><\/tr>
\u518d\u53ce\u675f\u6642\u9593<\/td>\u7d0430\u301c50\u79d2<\/td>\u6570\u79d2\uff08\u901a\u5e381\u301c3\u79d2\uff09<\/td><\/tr>
\u30dd\u30fc\u30c8\u72b6\u614b<\/td>5\u6bb5\u968e<\/td>3\u6bb5\u968e\u306b\u7c21\u7565\u5316<\/td><\/tr>
BPDU\u306e\u3084\u308a\u53d6\u308a<\/td>\u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8\u304b\u3089\u4e00\u65b9\u5411<\/td>\u5404\u30b9\u30a4\u30c3\u30c1\u9593\u3067\u53cc\u65b9\u5411\u901a\u4fe1<\/td><\/tr>
\u30dd\u30fc\u30c8\u30ed\u30fc\u30eb<\/td>3\u7a2e\u985e<\/td>5\u7a2e\u985e\uff08\u65b0\u30ed\u30fc\u30eb\u8ffd\u52a0\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u25cf\u30dd\u30fc\u30c8\u306e\u72b6\u614b\uff08\u7c21\u7565\u5316\u3055\u308c\u307e\u3057\u305f\uff09<\/h3>\n\n\n\n
STP\u306e5\u6bb5\u968e\uff1a<\/p>\n\n\n\n
Blocking \u2192 Listening \u2192 Learning \u2192 Forwarding \u2192 Disabled<\/code><\/pre>\n\n\n\n
RSTP\u3067\u306f\u4ee5\u4e0b\u306e3\u3064\u306b\u7d71\u5408\u3055\u308c\u307e\u3057\u305f<\/p>\n\n\n\n
\u72b6\u614b<\/th>\u5185\u5bb9<\/th><\/tr><\/thead>
Discarding<\/strong><\/td>\u30d5\u30ec\u30fc\u30e0\u8ee2\u9001\u305b\u305a\uff08STP\u306eBlocking+Listening\uff09<\/td><\/tr>
Learning<\/strong><\/td>MAC\u30a2\u30c9\u30ec\u30b9\u3092\u5b66\u7fd2\u4e2d\uff08\u8ee2\u9001\u3057\u306a\u3044\uff09<\/td><\/tr>
Forwarding<\/strong><\/td>\u30d5\u30ec\u30fc\u30e0\u8ee2\u9001\u53ef\u80fd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
➡ \u72b6\u614b\u9077\u79fb\u304c\u30b7\u30f3\u30d7\u30eb\u306b\u306a\u308a\u3001\u3088\u308a\u9ad8\u901f\u306a\u5207\u308a\u66ff\u3048\u304c\u53ef\u80fd\u3002<\/p>\n\n\n\n
\u25cf\u30dd\u30fc\u30c8\u306e\u5f79\u5272\uff08\u65b0\u3057\u3044\u30dd\u30fc\u30c8\u30ed\u30fc\u30eb\u304c\u8ffd\u52a0\u3055\u308c\u305f\uff09<\/h3>\n\n\n\n
\u30dd\u30fc\u30c8\u30ed\u30fc\u30eb<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
Root Port (RP)<\/strong><\/td>\u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8\u3078\u306e\u6700\u77ed\u7d4c\u8def\u30dd\u30fc\u30c8\uff08STP\u3068\u540c\u3058\uff09<\/td><\/tr>
Designated Port (DP)<\/strong><\/td>\u30bb\u30b0\u30e1\u30f3\u30c8\u3067\u8ee2\u9001\u3092\u62c5\u5f53\u3059\u308b\u30dd\u30fc\u30c8<\/td><\/tr>
Alternate Port (AP)<\/mark><\/strong><\/td>\u4e88\u5099\u306e\u7d4c\u8def\u30dd\u30fc\u30c8\uff08RP\u969c\u5bb3\u6642\u306b\u5373\u6607\u683c\uff09<\/td><\/tr>
Backup Port (BP)<\/strong><\/td>\u540c\u4e00\u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u306e\u4e88\u5099\u30dd\u30fc\u30c8<\/td><\/tr>
Disabled Port<\/mark><\/strong><\/td>\u7ba1\u7406\u7684\u306b\u7121\u52b9\uff08shutdown\u72b6\u614b\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
➡ Alternate\/Backup\u30dd\u30fc\u30c8<\/strong>\u304c\u65b0\u3057\u304f\u5c0e\u5165\u3055\u308c\u3001
\u30eb\u30fc\u30c8\u3084\u30ea\u30f3\u30af\u969c\u5bb3\u6642\u306b\u5373\u5ea7\u306b\u5207\u308a\u66ff\u3048<\/strong>\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u25cfRSTP\u306e\u9ad8\u901f\u53ce\u675f\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n
RSTP\u304c\u9ad8\u901f\u306a\u7406\u7531\u306f\u3001
BPDU\u306e\u53cc\u65b9\u5411\u901a\u4fe1\u3068\u30dd\u30fc\u30c8\u306e\u5373\u6642\u5f79\u5272\u5224\u65ad<\/strong>\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
🔹 STP\u306e\u5834\u5408<\/h3>\n\n\n\n
    \n
  • BPDU\u306f\u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8\u304b\u3089\u4e0b\u6d41\u65b9\u5411\u3078\u300c\u5468\u671f\u7684\u306b\u300d\u6d41\u308c\u308b\u3060\u3051\u3002<\/li>\n\n\n\n
  • \u4e0b\u4f4d\u30b9\u30a4\u30c3\u30c1\u306f\u5f85\u3064\u3057\u304b\u306a\u3044\uff08\u53d7\u3051\u8eab<\/strong>\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
    🔹 RSTP\u306e\u5834\u5408<\/h3>\n\n\n\n
      \n
    • \u5404\u30b9\u30a4\u30c3\u30c1\u304c\u72ec\u81ea\u306bBPDU\u3092\u751f\u6210\u30fb\u4ea4\u63db<\/strong>\u3002<\/li>\n\n\n\n
    • \u30dd\u30fc\u30c8\u304c\u300c\u3059\u3050\u306bForwarding\u3057\u3066\u826f\u3044\u304b\u300d\u3092\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af<\/strong>\u3067\u5373\u6c7a\u3002<\/li>\n<\/ul>\n\n\n\n
      \u25cf\u30dd\u30fc\u30c8\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u306e\u7a2e\u985e<\/h3>\n\n\n\n
      \u7a2e\u985e<\/th>\u610f\u5473<\/th><\/tr><\/thead>
      Proposal\uff08\u63d0\u6848\uff09<\/strong><\/td>\u300c\u79c1\u306f\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u3044\u3044\uff1f\u300d<\/td><\/tr>
      Agreement\uff08\u5408\u610f\uff09<\/strong><\/td>\u300cOK\u3001\u3042\u306a\u305f\u3082\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u826f\u3044\u300d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      \u53cc\u65b9\u5411BPDU\u4ea4\u63db\u306b\u3088\u3063\u3066\u3001
      \u30eb\u30fc\u30c8\u7d4c\u8def\u306e\u5207\u308a\u66ff\u3048\u304c\u6570\u79d2\u4ee5\u5185\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
      \u25cf\u307e\u3068\u3081<\/h2>\n\n\n\n
      \u9805\u76ee<\/th>\u5185\u5bb9<\/th><\/tr><\/thead>
      \u540d\u79f0<\/td>Rapid Spanning Tree Protocol<\/td><\/tr>
      \u898f\u683c<\/td>IEEE 802.1w<\/td><\/tr>
      \u76ee\u7684<\/td>STP\u306e\u9ad8\u901f\u5316\u30fb\u5373\u6642\u5207\u66ff<\/td><\/tr>
      \u518d\u53ce\u675f\u6642\u9593<\/td>\u6570\u79d2\uff08\u901a\u5e381\u301c3\u79d2\uff09<\/td><\/tr>
      \u65b0\u6a5f\u80fd<\/td>Alternate Port \/ Backup Port\u3001BPDU\u53cc\u65b9\u5411\u901a\u4fe1<\/td><\/tr>
      Cisco\u30b3\u30de\u30f3\u30c9<\/td>spanning-tree mode rapid-pvst<\/code><\/td><\/tr>
      \u5f8c\u7d99<\/td>MSTP\uff08Multiple STP\uff09\uff1dVLAN\u30b0\u30eb\u30fc\u30d7\u5316\u5bfe\u5fdc\u7248<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      STP<\/strong> \u304c\u300c\u5b89\u5168\u3060\u304c\u9045\u3044\u300d\u30eb\u30fc\u30d7\u9632\u6b62\u65b9\u5f0f\u306a\u3089\u3001
      RSTP<\/strong> \u306f\u300c\u5b89\u5168\u304b\u3064\u9ad8\u901f\u300d\u306a\u6b21\u4e16\u4ee3\u30eb\u30fc\u30d7\u9632\u6b62\u65b9\u5f0f\u3067\u3059\u3002<\/p>\n\n\n\n
      STP\u304c30\u79d2\u304b\u304b\u308b\u518d\u53ce\u675f\u3092\u3001RSTP\u306a\u30891\u301c3\u79d2\u3067\u5b8c\u4e86<\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
      <\/p>\n","protected":false},"excerpt":{"rendered":"
      RSTP\uff08Rapid Spanning Tree Protocol\uff09 \u306f\u3001\u5f93\u6765\u306e STP\uff08Spanning Tree Protocol, IEEE 802.1D\uff09 \u3092\u6539\u826f\u3057\u3066\u3001\u9ad8\u901f\u306b\u53ce\u675f\uff08\u7d4c\u8def\u5207\u308a\u66ff\u3048\uff09\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u30d7 […]<\/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-1358","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1358","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=1358"}],"version-history":[{"count":5,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1358\/revisions"}],"predecessor-version":[{"id":1380,"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=\/wp\/v2\/pages\/1358\/revisions\/1380"}],"wp:attachment":[{"href":"https:\/\/mylifeisbeautiful555.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}