{"id":916,"date":"2025-09-19T16:02:53","date_gmt":"2025-09-19T08:02:53","guid":{"rendered":"https:\/\/asahiya.cn\/?p=916"},"modified":"2025-09-19T16:55:53","modified_gmt":"2025-09-19T08:55:53","slug":"hcia-datacom-mstp","status":"publish","type":"post","link":"https:\/\/asahiya.cn\/index.php\/2025\/09\/19\/hcia-datacom-mstp\/","title":{"rendered":"HCIA-Datacom\u2014\u2014\u2014\u2014\u2014\u2014MSTP"},"content":{"rendered":"\t\t
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\u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981MSTP\uff1f
\u00a0 \u00a01\u3001RSTP\u5171\u6709\u534f\u8bae\u65e0\u6cd5\u8d1f\u8f7d——-CST<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\"\"<\/div>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u00a0 \u00a0 CST:common Spanning Tree \u516c\u5171\u751f\u6210\u6811
\u00a0 \u00a0 \u00a0 \u5b9a\u4e49\uff1a\u6240\u6709vlan\u5171\u4eabCST\u7684\u8def\u5f84
\u00a0 \u00a0 \u00a0 \u95ee\u9898: \u6240\u6709\u7684\u6d41\u91cf\u4e0d\u80fd\u8fdb\u884c\u8d1f\u8f7d
\u00a0 \u00a0 \u00a0 \u9700\u6c42\uff1avlan10\u8d70SW1\uff0cVlan20\u8d70SW2
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u89e3\u51b3\u65b9\u6848\uff1aMST\uff08multiple Spanning Tree\uff1a\u591a\u751f\u6210\u6811\uff09<\/p>

\u601d\u79d1\u7684\u56f0\u6270\uff1aRapid PVST\uff1a\u5feb\u901fPVST\u3010\u591a\u751f\u6210\u6811\u3011
\u00a0 \u00a0\u95ee\u9898\uff1a\u5f53\u4ea4\u6362\u7f51\u7edc\u4e2dvlan\u8d85\u8fc71000\uff0c\u6bcf\u4e2a\u4ea4\u6362\u673a\u7684\u751f\u6210\u6811\u5c31\u8d85\u8fc71000
\u00a0 \u00a0\u4e00\u65e6\u53d1\u751f\u62d3\u6251\u53d8\u66f4\uff0cstp\u8ba1\u7b97\u7684\u62d3\u6251\u5360\u7528\u8d44\u6e90\u5c31\u4f1a\u5f88\u5927\uff0cRapid pvst\u5c31\u6210\u4e3a\u8d1f\u62c5
\u00a0 \u00a0\u89e3\u51b3\u65b9\u6848\uff1aMIST\uff08multiple instance spanning tree:\u591a\u5b9e\u4f8b\u751f\u6210\u6811\uff09<\/p>

\u7efc\u5408CST\u7684\u95ee\u9898\u548c\u601d\u79d1Rapid PVST\u7684\u95ee\u9898\uff0c\u63d0\u51fa\u5171\u6709\u89e3\u51b3\u65b9\u6848\uff1a
\u00a0 \u00a0 \u00a0 802.1S\uff0cMSTP\uff08per instance\uff09

<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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MATP\u53ef\u4ee5\u5b9e\u73b0\uff1a
1\u3001\u653e\u73af
2\u3001\u5197\u4f59\uff08\u5907\u4efd\uff09
3\u3001\u5feb\u901f\u5207\u6362\uff08DP-RP\u662f\u79d2\u5207\uff09
4\u3001\u6700\u4f18\u8def\u5f84\uff08cost\uff09
5\u3001\u8d1f\u8f7d\uff1a
\u00a0 \u00a0 \u00a0 \u7ed9\u4e88\u8bbe\u5907\u7684\u8d1f\u8f7d
6\u3001\u65e0\u8bba\u591a\u5c11vlan\u3001\u8d44\u6e90\u6d88\u8017\u4e0d\u4f1a\u592a\u5927<\/p>

MSTP\u7684\u5b9e\u73b0
\u6bcf\u4e2a\u4ea4\u6362\u673a\u5fc5\u987b\u6ee1\u8db3:
1\u3001instance\u548cvlan\u7684\u6620\u5c04\u5173\u7cfb===vlan\u6620\u5c04\u8868(\u6280\u672f\u5c42\u9762\u8981\u6c42)
Instance 0-> 1-19,21-39,41-4094
Instance 20->20,40
:===\u6280\u672f\u5c42\u9762\u8981\u6c42===
2\u3001name: \u540d\u5b57
3\u3001revision level:\u4fee\u8ba2\u53f7
:====\u7ba1\u7406\u5c42\u9762\u8981\u6c42(\u4e8c\u7ea7\u7ba1\u7406)===
\u5f53\u4ea4\u6362\u673a\u6ee1\u8db3\u4e0a\u9762\u76843\u4e2a\u6761\u4ef6\uff0c\u90a3\u4e48\u6211\u4eec\u79f0\u4e4b\u4e3a\u5728\u540c\u4e00\u4e2aregion(\u884c\u653f\u533a\u57df)=\u5355\u57df
\u529f\u80fd:
1\u3001\u9632\u73af
2\u3001\u5197\u4f59<\/p>

3\u3001\u5feb\u901f\u5207\u6362
4\u3001\u6700\u4f18\u8def\u5f84
5\u3001\u8d1f\u8f7d\u57fa\u4e8e\u8bbe\u5907
\u5f53\u4ea4\u6362\u673a\u6ca1\u6709\u6ee1\u8db3\u4efb\u610f\u4e00\u4e2a\u6761\u4ef6\uff0c\u90a3\u4e48\u6211\u4eec\u79f0\u4e4b\u4e3a\u5728\u4e0d\u540cregion=\u591a\u57df
\u914d\u7f6e:
1\u3001\u6240\u6709\u4ea4\u6362\u673a\u914d\u7f6estp region-configuration
stp region-configuration
region-name tech—–\u57df\u540d
revision-level 10——\u57df\u4fee\u8ba2\u53f7
instance 10 vlan 10—-vlan\u6620\u5c04\u8868
instance 0 vlan 1-9,11-4094—–\u9690\u542b\u7684
active region-configuration
[SW1-mst-region]dis stp region-configuration
Oper configuration
Format selector
:0
Region name
:tech
Revision level
:10
Instance
VLANs Mapped
10
10
1 to 9, 11 to 4094
2\u3001\u4fee\u6539\u8def\u5f84\u62d3\u6251:
SW1:
Stp instance 0 root primary
Stp instance 10 root secondary<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Vlan 40\u7684\u8def\u5f84\u662f\u600e\u4e48\u8d70?
Vlan 40\u5c5e\u4e8e\u54ea\u4e2ainstance ? —– vlan 40 belong to instance 0
Instance 0\u7684\u8def\u5f84= vlan 40\u7684\u8def\u5f84
Vlan 10\u7684\u8def\u5f84\u662f\u600e\u4e48\u8d70?
Vlan 10\u5c5e\u4e8e\u54ea\u4e2ainstance?—— vlan 10 belong to instance 10
Instance 10\u7684\u8def\u5f84= vlan 10\u7684\u8def\u5f84<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

\u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981MSTP\uff1f\u00a0 \u00a01\u3001RSTP\u5171\u6709\u534f\u8bae\u65e0\u6cd5\u8d1f\u8f7d——-CST \u00a0 \u00a0 CST […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-916","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/posts\/916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/comments?post=916"}],"version-history":[{"count":10,"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/posts\/916\/revisions"}],"predecessor-version":[{"id":1016,"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/posts\/916\/revisions\/1016"}],"wp:attachment":[{"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/media?parent=916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/categories?post=916"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asahiya.cn\/index.php\/wp-json\/wp\/v2\/tags?post=916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}