{"id":10237,"date":"2022-10-09T02:14:59","date_gmt":"2022-10-09T09:14:59","guid":{"rendered":"https:\/\/www.xh86.me\/?p=10237"},"modified":"2022-10-09T02:14:59","modified_gmt":"2022-10-09T09:14:59","slug":"%e4%b8%ba%e4%ba%86%e9%98%b2%e6%ad%a2%e7%8e%af%e8%b7%af%ef%bc%8c%e7%bd%91%e7%bb%9c%e5%b7%a5%e7%a8%8b%e5%b8%88%e5%81%9a%e7%9a%84%e5%8a%aa%e5%8a%9b%e5%8f%af%e5%a4%aa%e5%a4%9a%e4%ba%86","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=10237","title":{"rendered":"\u4e3a\u4e86\u9632\u6b62\u73af\u8def\uff0c\u7f51\u7edc\u5de5\u7a0b\u5e08\u505a\u7684\u52aa\u529b\u53ef\u592a\u591a\u4e86"},"content":{"rendered":"
\n
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\n
<\/section>\n<\/section>\n

\u4f60\u80af\u5b9a\u77e5\u9053\u8fd9<\/span>\u4e2a\u7ecf\u5178\u7f51\u7edc\u7ec4\u7f51\u6a21\u578b\uff1a<\/span>\u63a5\u5165-\u6c47\u805a-\u6838\u5fc3-\u51fa\u53e3\u3002<\/span><\/strong><\/span><\/p>\n

\n

\u63a5\u5165\u591a\u6570\u662f\u4e8c\u5c42\u4ea4\u6362\u673a\u4e3a\u4e3b\uff0c\u8282\u7ea6\u6210\u672c\u6709\u7684\u5730\u65b9\u7528\u50bb\u74dc\u4ea4\u6362\u673a\uff0c\u4e3b\u8981\u914d\u7f6eaccess\u9694\u79bb\u5e7f\u64ad\u57df\u3002<\/span><\/p>\n

\n

\u4e3a\u4e86\u9632\u6b62\u73af\u8def\uff0c\u63a5\u5165\u5c42\uff0c\u5927\u591a\u6570\u4eba\u90fd\u4f1a\u914d\u7f6e\u751f\u6210\u6811\u534f\u8bae\u3002<\/span><\/p>\n

\n

STP(\u751f\u6210\u6811\u534f\u8bae)<\/span>\u662f\u4e00\u79cd\u7b2c2\u5c42\u534f\u8bae\uff0c\u5728\u7f51\u6865\u4e4b\u95f4\u8fd0\u884c\uff0c\u65e8\u5728\u5e2e\u52a9\u5efa\u7acb\u65e0\u73af\u8def(loop-free)\u7684\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u3002<\/span><\/strong><\/p>\n

\n

\u8fd0\u884cSTP(\u751f\u6210\u6811\u534f\u8bae)\u7684\u4ee5\u592a\u7f51\u8bbe\u5907\u90e8\u7f72\u5728\u5f88\u591a\u7f51\u7edc\u91cc\uff0c\u5f88\u591a\u5728\u804c\u7684\u7f51\u7edc\u5de5\u7a0b\u5e08\u5bf9STP\u90fd\u5f88\u773c\u719f\uff0c<\/span>\u4f46\u662f\u8bbe\u7f6e\u65f6\u7684\u9519\u8bef\u4e5f\u591a\uff0c\u751a\u81f3\u53ef\u4ee5\u8bf4\u662f\u6bd4\u6bd4\u7686\u662f\u3002<\/span><\/strong><\/span><\/p>\n

\n

\u5982\u679c\u4f60\u80fd\u7ea0\u6b63\u8fd9\u4e9b\u751f\u6210\u6811\u95ee\u9898\uff0c<\/span>\u53ef\u4ee5\u6539\u5584\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3001\u7f29\u77ed\u4f1a\u805a\u65f6\u95f4\u3001\u63d0\u9ad8\u5f39\u6027\u4ee5\u53ca\u51cf\u5c11\u7f51\u7edc\u505c\u8fd0\u65f6\u95f4\u3002<\/span><\/strong><\/p>\n

\n

\u4eca\u5929\u6211\u4eec\u6765\u590d\u76d8\u4e00\u4e0b\u7f51\u7edc\u5de5\u7a0b\u5e08\u5728\u90e8\u7f72\u65f6\u5e38\u89c1\u7684\u5173\u4e8eSTP\u7684\u95ee\u9898\uff0c\u987a\u4fbf\u8bb2\u8bb2\u89e3\u51b3\u601d\u8def\u3002<\/span><\/p>\n

\n

\n

\n

\n
\n
\n
<\/section>\n
01<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u6ca1\u6709\u914d\u7f6e\u6839\u7f51\u6865<\/span><\/strong><\/p>\n

\n

\u8bb8\u591a\u4f01\u4e1a\u7ec4\u7ec7\u5bf9\u751f\u6210\u6811\u4e60\u4ee5\u4e3a\u5e38\uff0c\u4ec5\u4ec5\u63a5\u53d7\u9ed8\u8ba4\u7684\u914d\u7f6e\u8bbe\u7f6e\u4e86\u4e8b\u3002\u8fd9\u4f7f\u5f97\u7f51\u7edc\u73af\u5883\u4e2d\u7684\u6240\u6709\u4ea4\u6362\u673a\u90fd\u4f7f\u752832678\u8fd9\u4e00\u9ed8\u8ba4\u7684\u6839\u7f51\u6865\u4f18\u5148\u7ea7\u503c\u3002<\/span><\/p>\n

\n

\u5982\u679c\u6240\u6709\u4ea4\u6362\u673a\u90fd\u7528\u540c\u4e00\u4e2a\u6839\u7f51\u6865\u4f18\u5148\u7ea7\uff0c\u90a3\u4e48MAC\u5730\u5740\u6700\u4f4e\u7684\u90a3\u53ea\u4ea4\u6362\u673a\u5c06\u88ab\u5efa\u7acb\u4e3a\u6839\u7f51\u6865\u3002<\/span><\/p>\n

\n

\u8bb8\u591a\u7f51\u7edc\u5e76\u6ca1\u6709\u914d\u7f6e\u6210\u5355\u53ea\u4ea4\u6362\u673a\u6709\u4e00\u4e2a\u8f83\u4f4e\u7684\u6839\u7f51\u6865\u4f18\u5148\u7ea7\uff0c\u8fd9\u4f1a\u8feb\u4f7f\u90a3\u53ea\u6838\u5fc3\u4ea4\u6362\u673a\u88ab\u5efa\u7acb\u4e3a\u4efb\u4f55\u6216\u6240\u6709\u865a\u62df\u5c40\u57df\u7f51(VLAN)\u7684STP\u6839\u3002<\/span><\/p>\n

\n

\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cMAC\u5730\u5740\u504f\u4f4e\u7684\u5c0f\u578b\u63a5\u5165\u5c42\u4ea4\u6362\u673a\u5c31\u6709\u53ef\u80fd\u662fSTP\u6839\u3002\u8fd9\u79cd\u60c5\u51b5\u52bf\u5fc5\u4f1a\u589e\u52a0\u4e00\u4e9b\u6027\u80fd\u5f00\u9500\uff0c\u5bfc\u81f4\u4f1a\u805a\u65f6\u95f4\u8f83\u957f(\u7531\u4e8e\u6839\u7f51\u6865\u91cd\u65b0\u5efa\u7acb)\u3002<\/span><\/p>\n

\n

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

\n

\u56fe |\u00a0\u901a\u5e38\u72b6\u51b5\u4e0b\u9519\u8bef\u914d\u7f6e\u7684\u751f\u6210\u6811\u73af\u5883<\/span><\/p>\n

\n

\u5982\u56fe\u6240\u793a\uff0c\u4f5c\u4e3aSTP\u6839\u7684\u4ea4\u6362\u673a\u5b9e\u9645\u4e0a\u662f\u6838\u5fc3\u4ea4\u6362\u673a2\uff0c\u56e0\u4e3a\u5b83\u62e5\u6709\u7684MAC\u5730\u5740\u6070\u597d\u4f4e\u4e8e\u6838\u5fc3\u4ea4\u6362\u673a1\u3002<\/span><\/p>\n

\n

\u4e00\u6761\u6700\u4f73\u5b9e\u8df5\u5c31\u662f\u4e3a\u201c\u4e3b\u201d(\u6838\u5fc3)\u4ea4\u6362\u673a\u914d\u7f6e\u8f83\u4f4e\u7684STP\u4f18\u5148\u7ea7\uff0c\u90a3\u6837\u4e00\u53ea\u4ea4\u6362\u673a\u5c06\u662f\u6839\u7f51\u6865\uff0c\u5176\u4ed6\u4efb\u4f55\u6838\u5fc3\u4ea4\u6362\u673a\u4f1a\u6709\u9ad8\u4e00\u70b9\u7684\u4f18\u5148\u7ea7\u503c\uff1b\u4e07\u4e00\u4e3b\u6838\u5fc3\u7f51\u6865\u5931\u6548\uff0c\u5b83\u4eec\u5c31\u4f1a\u81ea\u52a8\u63a5\u8fc7\u91cd\u4efb\u3002<\/span><\/p>\n

\n

\u4e07\u4e00\u51fa\u73b0\u7f51\u6865\u6545\u969c\uff0c\u5728\u4ea4\u6362\u673a\u4e0a\u914d\u7f6e\u201c\u4e0d\u540c\u5c42\u6b21\u201d\u7684STP\u4f18\u5148\u7ea7\u5c06\u67e5\u660e\u54ea\u53ea\u4ea4\u6362\u673a\u5e94\u8be5\u662f\u6839\u7f51\u6865\u3002\u8fd9\u6837\u4e00\u6765\uff0cSTP\u7f51\u7edc\u8fd0\u884c\u8d77\u6765\u5c31\u66f4\u5177\u6709\u786e\u5b9a\u6027\u4e86\u3002<\/span><\/p>\n

\n

\u5728\u6838\u5fc3\u601d\u79d1\u4ea4\u6362\u673a\u4e0a\uff0c\u4f60\u5e94\u8be5\u7528\u8fd9\u4e2a\u547d\u4ee4\u914d\u7f6e\u4e3b\u6839\u4ea4\u6362\u673a\uff1a<\/span><\/p>\n

\n

Core-Sw1(config)# spanning-tree vlan 1-4096 root primary<\/span><\/p>\n

\n

\u5728\u6838\u5fc3\u601d\u79d1\u4ea4\u6362\u673a\u4e0a\uff0c\u4f60\u5e94\u8be5\u7528\u8fd9\u4e2a\u547d\u4ee4\u914d\u7f6e\u6b21\u6839\u4ea4\u6362\u673a\uff1a<\/span><\/p>\n

\n

Core-Sw2(config)# spanning-tree vlan 1-4096 root secondary<\/span><\/p>\n

\n

\u8fd9\u4e24\u4e2a\u547d\u4ee4\u7684\u6700\u7ec8\u6548\u679c\u4f1a\u5c06\u4e3b\u4ea4\u6362\u673a\u7aef\u53e3\u7684\u7f51\u6865\u4f18\u5148\u7ea7\u8bbe\u4e3a8192\uff0c\u5c06\u6b21\u4ea4\u6362\u673a\u7684\u6839\u7f51\u6865\u4f18\u5148\u7ea7\u8bbe\u4e3a16384\u3002<\/span><\/p>\n

\n

\n

\n

\n
\n
\n
<\/section>\n
0<\/strong>2<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u4f7f\u7528IEEE 802.1D<\/span><\/strong><\/p>\n

\u800c\u672a\u4f7f\u7528Rapid-STP<\/span><\/strong><\/p>\n

\n

\u5178\u578b\u7684IEEE 802.1D\u534f\u8bae\u6709\u4e0b\u5217\u9ed8\u8ba4\u8ba1\u65f6\u5668\uff1a15\u79d2\u7528\u4e8e\u4fa6\u542c\uff0c15\u79d2\u7528\u4e8e\u5b66\u4e60\uff0c20\u79d2\u7528\u4e8e\u6700\u957f\u751f\u5b58\u65f6\u95f4\u8d85\u65f6\u3002<\/span><\/p>\n

\n

\u751f\u6210\u6811\u4e2d\u7684\u6240\u6709\u4ea4\u6362\u673a\u90fd\u5e94\u8be5\u8ba4\u540c\u8fd9\u4e9b\u8ba1\u65f6\u5668\uff0c\u4e0d\u9f13\u52b1\u4f60\u4fee\u6539\u8fd9\u4e9b\u8ba1\u65f6\u5668\u3002<\/span><\/p>\n

\n

\u8fd9\u4e9b\u8f83\u65e7\u7684\u8ba1\u65f6\u5668\u5bf9\u4e00\u4e8c\u5341\u5e74\u524d\u7684\u7f51\u7edc\u6765\u8bf4\u4e5f\u8bb8\u591f\u7528\u4e86\uff0c\u800c\u5982\u4eca\uff0c\u8fd9\u4e9b30\u79d2\u81f350\u79d2\u7684\u4f1a\u805a\u65f6\u95f4\u5b9e\u5728\u592a\u6162\u4e86\u3002<\/span><\/p>\n

\n

\u5982\u4eca\uff0c\u8bb8\u591a\u4ea4\u6362\u673a\u80fd\u591f\u652f\u6301\u5feb\u901f\u751f\u6210\u6811\u534f\u8bae(IEEE 802.1w)\uff0c\u53ef\u662f\u5f88\u5c11\u6709\u7f51\u7edc\u7ba1\u7406\u5458\u542f\u7528\u8be5\u529f\u80fd\u3002<\/span><\/p>\n

\n

\u5feb\u901f\u751f\u6210\u6811\u534f\u8bae(RSTP)\u5927\u5927\u7f29\u77ed\u4e86\u4f1a\u805a\u65f6\u95f4\uff0c\u5176\u79d8\u8bc0\u5728\u4e8e\u4f7f\u7528\u7aef\u53e3\u89d2\u8272\uff0c\u4f7f\u7528\u901a\u8fc7\u6307\u5b9a\u7aef\u53e3\u5728\u7f51\u6865\u4e4b\u95f4\u53d1\u9001\u6d88\u606f\u8fd9\u79cd\u65b9\u6cd5\uff0c\u8ba1\u7b97\u5907\u7528\u8def\u5f84\uff0c\u4ee5\u53ca\u4f7f\u7528\u66f4\u5feb\u901f\u7684\u8ba1\u65f6\u5668\u3002<\/span><\/p>\n

\n

\u56e0\u800c\uff0c\u5982\u679c\u53ef\u4ee5\u4f7f\u7528RSTP\uff0c\u4f01\u4e1a\u7ec4\u7ec7\u5e94\u8be5\u5c3d\u91cf\u4f7f\u7528\u3002\u5982\u679c\u4f01\u4e1a\u4ecd\u62e5\u6709\u65e0\u6cd5\u4f7f\u7528RSTP\u7684\u4ea4\u6362\u673a\uff0c\u4e5f\u522b\u62c5\u5fc3\uff1a<\/span><\/p>\n

\n

\u9488\u5bf9\u901a\u5411\u8001\u5f0fSTP\u4ea4\u6362\u673a\u7684\u90a3\u4e9b\u63a5\u53e3\uff0cRSTP\u4ea4\u6362\u673a\u4f1a\u5207\u56de\u5230\u4f20\u7edf\u7684802.1D\u64cd\u4f5c\u65b9\u5f0f\u3002<\/span><\/p>\n

\n

\n

\n

\n
\n
\n
<\/section>\n
03<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u963b\u585e\u7684\u4e0a\u884c\u94fe\u8def<\/span><\/strong><\/p>\n

\n

\u751f\u6210\u6811\u7684\u4efb\u52a1\u5c31\u662f\u9632\u6b62\u73af\u8def\u5f62\u6210\u3002\u4e3a\u6b64\uff0c\u5b83\u5b66\u4e60\u4e86\u89e3\u901a\u5411\u6839\u7684\u6b21\u6700\u4f18\u8def\u5f84\uff0c\u8ba9\u8fd9\u4e9b\u4e0d\u592a\u7406\u60f3\u7684\u94fe\u8def\u5904\u4e8e\u963b\u585e\u6a21\u5f0f\u3002<\/span><\/p>\n

\n

\u5982\u679c\u4ea4\u6362\u673a\u4e4b\u95f4\u6709\u591a\u6761\u5e76\u884c\u8def\u5f84\uff0c\u90a3\u4e48\u5176\u4e2d\u4e00\u6761\u8def\u5f84\u5c06\u88ab\u9009\u62e9\u8fdb\u5165\u963b\u585e\u6a21\u5f0f\uff0c\u9632\u6b62\u4e24\u53ea\u4ea4\u6362\u673a\u4e4b\u95f4\u51fa\u73b0\u73af\u8def\u3002<\/span><\/p>\n

\n

\u8fd9\u6837\u4e00\u6765\uff0c\u62e5\u6709\u591a\u6761\u4e0a\u884c\u94fe\u8def\u53ea\u9002\u7528\u4e8e\u4e3b\u94fe\u8def\u6545\u969c\u5207\u6362\uff0c\u800c\u4e0d\u662f\u4e3a\u8fd9\u6761\u8def\u5f84\u63d0\u4f9b\u66f4\u9ad8\u7684\u5e26\u5bbd\u3002<\/span><\/p>\n

\n

\u5728\u4e0a\u56fe\u4e2d\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\u4ea4\u6362\u673aD\u7684\u8fd9\u79cd\u60c5\u51b5\u3002\u901a\u5411\u4ea4\u6362\u673a2\u7684\u94fe\u8def\u662f\u901a\u5411\u6839\u7f51\u6865\u7684\u6700\u4f18\u8def\u5f84\uff0c\u800c\u901a\u5411\u4ea4\u6362\u673a1\u7684\u6b21\u6700\u4f18\u8def\u5f84\u5904\u4e8eSTP\u963b\u585e\u72b6\u6001\u3002<\/span><\/p>\n

\n

\u56e0\u6b64\uff0c\u53ea\u6709\u4e00\u6761\u94fe\u8def\u7684\u5e26\u5bbd\u53ef\u4f9b\u4e0a\u884c\u901a\u4fe1\u4f7f\u7528\u3002<\/span><\/p>\n

\n

\u6211\u4eec\u5e0c\u671b\u80fd\u591f\u5229\u7528\u8fd9\u4e24\u6761\u4e0a\u884c\u94fe\u8def\u6765\u8f6c\u53d1\u6d41\u91cf\u3001\u589e\u52a0\u5e26\u5bbd\uff0c\u90a3\u6837\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u67d0\u79cd\u94fe\u8def\u805a\u5408\u6280\u672f\uff0c\u6bd4\u5982\u7aef\u53e3\u4fe1\u9053\/\u4ee5\u592a\u7f51\u4fe1\u9053(LACP (IEEE 802.3ad)\uff0cPAgP)\uff0c\u6216\u8005\u67d0\u79cd\u591a\u673a\u7bb1\u7aef\u53e3\u4fe1\u9053(MC-LAG IEEE 802.3AX\/AY)\uff0c\u6216\u8005\u4f7f\u7528\u62e5\u6709\u865a\u62df\u7aef\u53e3\u4fe1\u9053(vPC)\u7684\u601d\u79d1Nexus\u4ea4\u6362\u673a\u3002<\/span><\/p>\n

\n

\u53e6\u4e00\u79cd\u9009\u62e9\u5c31\u662f\u4f7f\u7528\u53ef\u5806\u53e0\u4ea4\u6362\u673a\uff0c\u5e76\u914d\u7f6e\u6bcf\u4e2a\u4e0a\u884c\u94fe\u8def\u7aef\u53e3\uff0c\u8fde\u63a5\u81f3\u5806\u53e0\u4ea4\u6362\u673a\u4e2d\u7684\u4e0d\u540c\u4ea4\u6362\u673a\u3002\u7531\u4e8e\u5806\u53e0\u4ea4\u6362\u673a\u53ef\u4ee5\u914d\u7f6e\u6210\u5b83\u5c31\u662f\u4e00\u53ea\u4ea4\u6362\u673a\uff0c\u90a3\u6837\u53ef\u4ee5\u4f7f\u7528\u7aef\u53e3\u4fe1\u9053\u3002<\/span><\/p>\n

\n

\u4ece\u751f\u6210\u6811\u7684\u89d2\u5ea6\u6765\u770b\u53ef\u4ee5\u5c06\u4e24\u6761\u94fe\u8def\u5f53\u6210\u4e00\u6761\u94fe\u8def\uff0c\u8fd9\u4e24\u6761\u94fe\u8def\u90fd\u53ef\u4ee5\u7528\u6765\u8f6c\u53d1\u6d41\u91cf\u3002\u5176\u4ed6\u9009\u62e9\u80fd\u591f\u53d6\u5f97\u540c\u6837\u8fd9\u4e2a\u6548\u679c\uff0c\u6bd4\u5982\u601d\u79d1\u76846500\u865a\u62df\u4ea4\u6362\u7cfb\u7edf(VSS)\u3002<\/span><\/p>\n

\n

\n

\n
\n
\n
<\/section>\n
0<\/strong>4<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u8d85\u8fc7STP\u7684\u6700\u5927\u89c4\u6a21<\/span><\/strong><\/p>\n

\n

\u6211\u4eec\u90fd\u751f\u6d3b\u5728\u8fd9\u6837\u7684\u57ce\u5e02\uff1a\u7f3a\u5c11\u7edf\u4e00\u534f\u8c03\u7684\u57ce\u5e02\u89c4\u5212\uff0c\u9053\u8def\u603b\u662f\u62e5\u6324\u4e0d\u582a\u3001\u65e0\u6cd5\u987a\u7545\u901a\u884c\u3002\u540c\u6837\uff0c\u7f51\u7edc\u5e38\u5e38\u50cf\u767d\u6768\u6811\u90a3\u6837\u751f\u957f\u3002<\/span><\/p>\n

\n

\u7f51\u7edc\u5f53\u4e2d\u51fa\u73b0\u65b0\u589e\u7684\u8bbe\u5907\uff0c\u4f46\u662f\u7f51\u7edc\u5f88\u5c11\u91cd\u65b0\u8bbe\u8ba1\u67b6\u6784\uff0c\u9664\u975e\u8d2d\u7f6e\u4e86\u4e00\u5957\u5168\u65b0\u7684\u7f51\u7edc\u3002\u968f\u7740\u65b0\u7684\u4ea4\u6362\u673a\u6dfb\u52a0\u5230\u5c40\u57df\u7f51\u73af\u5883\u4e2d\uff0c\u751f\u6210\u6811\u4e0d\u65ad\u968f\u4e4b\u53d8\u5316\u3002<\/span><\/p>\n

\n

\u4e00\u4e9b\u5927\u578b\u7f51\u7edc\u73af\u5883\u652f\u6301\u7684\u5e94\u7528\u7a0b\u5e8f\u4f9d\u8d56\u6574\u4e2a\u7f51\u7edc\u4e0a\u7684\u7b2c2\u5c42\u8fde\u63a5\uff0c\u8fd9\u7c7b\u7f51\u7edc\u73af\u5883\u5e94\u8be5\u610f\u8bc6\u5230\u8fd9\u79cd\u751f\u957f\u3002\u8981\u662f\u7f51\u7edc\u62d3\u6251\u8d85\u8fc7STP\u7684\u6700\u5927\u89c4\u683c\uff0c\u4f01\u4e1a\u5c31\u4f1a\u9047\u5230\u95ee\u9898\u3002<\/span><\/p>\n

\n

802.1D\u89c4\u8303\u5efa\u8bae\uff0c\u751f\u6210\u6811\u7684\u7f51\u6865\u8df3\u6570(bridge hop)\u4e0d\u8d85\u8fc77\u6bb5\u3002\u5982\u679c\u6709\u8bb8\u591a\u201c\u96cf\u83ca\u94fe\u5f0f\u201d\u4ea4\u6362\u673a\uff0c\u5f88\u53ef\u80fd\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u3002<\/span><\/p>\n

\n

\u53c2\u9605\u4e0a\u56fe\uff0c\u5c31\u4f1a\u53d1\u73b0\u8fde\u4e00\u79cd\u7b80\u5355\u7684\u7f51\u7edc\u62d3\u6251\u4e5f\u4f1a\u8d85\u8fc7\u751f\u6210\u6811\u7684\u8fd9\u4e00\u6700\u5927\u89c4\u6a21\u3002<\/span><\/p>\n

\n

\u50cf\u533b\u9662\u548c\u5927\u5b66\u6821\u56ed\u8fd9\u4e9b\u7ec4\u7ec7\u7684\u7f51\u7edc\u62e5\u6709\u5e9e\u5927\u7684\u5c40\u57df\u7f51\u73af\u5883\uff0c\u8de8\u6574\u4e2a\u7f51\u7edc\u5ef6\u4f38\u5355\u4e00\u7684VLAN\u3002<\/span><\/p>\n

\n

\u5b83\u4eec\u5e94\u8be5\u8ba4\u8bc6\u5230\u5176\u751f\u6210\u6811\u7684\u89c4\u6a21\u3002\u8fd9\u4e9b\u7ec4\u7ec7\u5e94\u8be5\u5c06\u5c40\u57df\u7f51\u4ea4\u6362\u73af\u5883\u7684\u60c5\u51b5\u8bb0\u5165\u6587\u6863\uff0c\u5e76\u4e14\u5bfb\u627e\u8fc7\u4e8e\u9891\u7e41\u7684\u62d3\u6251\u53d8\u66f4\u901a\u77e5(TCN)\uff0c\u4ece\u800c\u5b9a\u671f\u68c0\u67e5\u751f\u6210\u6811\u7684\u89c4\u6a21\u3002<\/span><\/p>\n

\n

\n

\n
\n
\n
<\/section>\n
0<\/strong>5<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

VTP\u57df<\/span><\/strong><\/p>\n

\n

\u4f01\u4e1a\u7ec4\u7ec7\u9762\u4e34\u7684\u56f0\u96be\u5e38\u5e38\u7275\u6d89VLAN\u96a7\u9053\u534f\u8bae(VTP)\u4ee5\u53ca\u5b83\u4e0eSTP\u6709\u600e\u6837\u7684\u5173\u7cfb\u3002<\/span><\/p>\n

\n

VTP\u8fd9\u79cd\u673a\u5236\u53ef\u4ee5\u5e2e\u52a9\u5728\u5355\u4e00\u5c40\u57df\u7f51\u4ea4\u6362\u73af\u5883\u4e2d\u5efa\u7acb\u548c\u7ef4\u62a4VLAN\u3002<\/span><\/p>\n

\n

VTP\u670d\u52a1\u5668\u53ef\u4ee5\u5efa\u7acb\u65b0\u7684VLAN\uff0c\u7136\u540e\u81ea\u52a8\u4e3aVTP\u5ba2\u6237\u673a\u914d\u7f6e\u90a3\u4e9b\u65b0\u7684VLAN\u3002\u968f\u540e\uff0c\u90a3\u4e9bVTP\u5ba2\u6237\u7aef\u4ea4\u6362\u673a\u4e0a\u7684\u7aef\u53e3\u88ab\u5206\u914d\u5230\u8fd9\u4e2a\u65b0\u7684VLAN\u3002<\/span><\/p>\n

\n

VTP\u6709\u52a9\u4e8e\u8ba9VLAN\u7f16\u53f7\u5728\u5c40\u57df\u7f51\u4ea4\u6362\u73af\u5883\u4e2d\u4fdd\u6301\u4e00\u81f4\u6027\u3002\u5f88\u65e9\u4ee5\u6765\u5c31\u5b58\u5728\u4e0eVTP\u6709\u5173\u7684\u95ee\u9898\uff0c\u8bb8\u591a\u4eba\u5efa\u8bae\u5c06VTP\u914d\u7f6e\u6210\u900f\u660e\u6a21\u5f0f\u3002<\/span><\/p>\n

\n

\u4e00\u4e9b\u4f01\u4e1a\u7ec4\u7ec7\u62bd\u65f6\u95f4\u6765\u914d\u7f6eVTP\u57df\uff0c\u5e76\u914d\u7f6eVTP\u670d\u52a1\u5668\u548c\u5ba2\u6237\u673a\u3002\u4e00\u4e9b\u4f01\u4e1a\u7ec4\u7ec7\u8fd8\u5728\u6240\u6709\u4ea4\u6362\u673a\u4e0a\u4f7f\u7528\u540c\u4e00\u4e2aVTP\u57df\u540d\uff0c\u5373\u4fbf\u5728\u6240\u6709\u5730\u65b9\u90fd\u662f\u5982\u6b64\u3002\u5982\u679c\u4f7f\u7528\u7b2c2\u5c42\u57ce\u57df\u4ee5\u592a\u7f51\u670d\u52a1\uff0c\u5e76\u5c06\u5176\u914d\u7f6e\u6210802.1Q\u5e72\u7ebf\uff0c\u8fd9\u5c31\u4f1a\u5f00\u59cb\u5f15\u8d77\u95ee\u9898\u3002<\/span><\/p>\n

\n

\u4f7f\u7528VTP\u7684\u4f01\u4e1a\u5e94\u8be5\u614e\u91cd\u4f7f\u7528\uff0c\u77e5\u9053\u54ea\u4e9b\u4ea4\u6362\u673a\u662fVTP\u670d\u52a1\u5668\u6216\u5ba2\u6237\u673a\uff0c\u4f7f\u7528VTP\u5bc6\u7801\uff0c\u5220\u9664\u4e0d\u518d\u63d0\u4f9b\u670d\u52a1\u7684\u4ea4\u6362\u673a\u4e0a\u7684\u914d\u7f6e\u548cVTP\u4fe1\u606f\uff0c\u5e76\u4e14\u5728\u4e0d\u9700\u8981VTP\u7684\u573a\u5408\u4e0b\u8003\u8651\u7981\u7528VTP\u3002<\/span><\/p>\n

\n

\n
\n
\n
<\/section>\n
0<\/strong>6<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

STP\u4e0eHSRP\u4e0d\u4e00\u81f4<\/span><\/strong><\/p>\n

\n

\u8bb8\u591a\u4f01\u4e1a\u7ec4\u7ec7\u62e5\u6709\u5197\u4f59\u6838\u5fc3\u4ea4\u6362\u673a\uff0c\u5b83\u4eec\u8fd8\u4e3a\u6240\u8fde\u63a5\u5c40\u57df\u7f51\u4e0a\u7684\u8ba1\u7b97\u673a\u5145\u5f53\u7b2c3\u5c42\u9ed8\u8ba4\u7f51\u5173\u3002<\/span><\/p>\n

\n

\u50cfHSRP\u3001VRRP\u3001GLBP\u53ca\u5176\u4ed6\u8fd9\u4e9b\u9996\u8df3\u5197\u4f59\u534f\u8bae\u4e3a\u53ea\u914d\u7f6e\u4e00\u4e2a\u5355\u4e00\u9ed8\u8ba4\u7f51\u5173IP\u5730\u5740\u7684\u4e3b\u673a\u63d0\u4f9b\u4e86\u9ed8\u8ba4\u7f51\u5173\u5197\u4f59\u673a\u5236\u3002<\/span><\/p>\n

\n

\u5982\u679cHSRP\u6d3b\u52a8\u9ed8\u8ba4\u7f51\u5173\u4e0d\u662f\u4e3a\u8be5VLAN\u5145\u5f53STP\u6839\u7684\u540c\u4e00\u53ea\u7b2c2\u5c42\/\u7b2c3\u5c42\u4ea4\u6362\u673a\uff0c\u95ee\u9898\u5c31\u4f1a\u968f\u4e4b\u800c\u6765\u3002<\/span><\/p>\n

\n

\u4e0a\u56fe\u8868\u793a\uff0c\u4ea4\u6362\u673a1\u662fHSRP\u6d3b\u52a8\u8def\u7531\u5668\uff0c\u4f46\u5b83\u4e0d\u662f\u4efb\u4f55VLAN\u7684STP\u6839\u3002<\/span><\/p>\n

\n

\u4ea4\u6362\u673a2\u662fSTP\u6839\uff0c\u4f46\u5b83\u914d\u7f6e\u6210HSRP\u5907\u7528\u8def\u7531\u5668\u3002\u8fd9\u5c31\u5f62\u6210\u4e86\u975e\u6700\u4f73\u6d41\u91cf\u8def\u5f84\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6838\u5fc3\u4ea4\u6362\u673a\u95f4\u7684\u5e72\u7ebf\u4e0a\u51fa\u73b0\u66f4\u4e25\u91cd\u7684\u62e5\u585e\u72b6\u51b5\u3002<\/span><\/p>\n

\n

\u4f7f\u7528\u9996\u8df3\u5197\u4f59\u534f\u8bae\u7684\u4f01\u4e1a\u5e94\u8be5\u786e\u4fdd\uff0c\u6d3b\u52a8\u9ed8\u8ba4\u7f51\u5173\u4e0eSTP\u6839\u76f8\u4e00\u81f4\u3002<\/span><\/p>\n

\n

\n

\n
\n
\n
<\/section>\n
0<\/strong>7<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u6ca1\u6709\u63a7\u5236STP<\/span><\/strong><\/p>\n

\n

\u7531\u4e8e\u90a3\u4e48\u591a\u7684\u4f01\u4e1a\u7ec4\u7ec7\u53ea\u662f\u63a5\u53d7\u4ea4\u6362\u673a\u5382\u5546\u5728\u751f\u6210\u6811\u65b9\u9762\u7684\u9ed8\u8ba4\u8bbe\u7f6e\uff0c\u5b83\u4eec\u5e76\u6ca1\u6709\u6700\u4f18\u5316\u63a7\u5236STP\u3002\u4f01\u4e1a\u53ef\u80fd\u6ca1\u6709\u914d\u7f6e\u751f\u6210\u6811\uff0c\u4ee5\u9632\u6b62\u65e0\u610f\u4e2d\u6dfb\u52a0\u7684\u672a\u6388\u6743\u4ea4\u6362\u673a\u5f62\u6210\u73af\u8def\u3002<\/span><\/p>\n

\n

\u8bb8\u591a\u4f01\u4e1a\u4f7f\u7528\u601d\u79d1\u7684PortFast\u63a5\u53e3\u8bbe\u7f6e\uff0c\u5e2e\u52a9\u4e3a\u8fde\u63a5\u5230\u6211\u4eec\u77e5\u9053\u4e0d\u8fd0\u884cSTP\u7684\u8ba1\u7b97\u673a\u7684\u7aef\u53e3\u8fc5\u901f\u8c03\u51fa\u4ea4\u6362\u673a\u7aef\u53e3\u3002<\/span><\/p>\n

\n

\u6fc0\u6d3b\u7aef\u53e3\u4e4b\u524d\uff0c\u8ba9\u7aef\u53e3\u8fde\u63a5\u81f3\u7b49\u5f85\u4fa6\u542c\u548c\u5b66\u4e60\u72b6\u6001\u7684\u8ba1\u7b97\u673a\u6beb\u65e0\u610f\u4e49\u3002<\/span><\/p>\n

\n

\u7ed3\u5408\u4f7f\u7528PortFast\u548cBPDU-Guard\u662f\u6700\u4f73\u5b9e\u8df5\uff0c\u90a3\u6837\u5982\u679c\u901a\u8fc7\u8be5\u63a5\u53e3\u6536\u5230BPDU\uff0c\u5b83\u53ef\u4ee5\u9632\u5fa1\u6027\u5730\u5173\u95ed\u7aef\u53e3\u3002<\/span><\/p>\n

\n

\u6fc0\u6d3b\u8fd9\u9879\u529f\u80fd\u7684\u601d\u79d1IOS\u5168\u5c40\u547d\u4ee4\u5982\u4e0b\uff1a<\/span><\/p>\n

Core-Sw1(config)# spanning-tree portfast edge bpduguard<\/span><\/p>\n

\n

\u6fc0\u6d3b\u8fd9\u9879\u529f\u80fd\u7684\u601d\u79d1IOS\u63a5\u53e3\u914d\u7f6e\u547d\u4ee4\u5982\u4e0b\uff1a<\/span><\/p>\n

Core-Sw1(config-if)# spanning-tree bpduguard enable<\/span><\/p>\n

\n

\u5982\u679c\u4ea4\u6362\u673a\u5df2\u914d\u7f6e\u597d\u4e86\u4efb\u4f55\u7aef\u53e3\u4fe1\u9053\uff0c\u90a3\u4e48\u914d\u7f6e\u4ee5\u592a\u7f51\u4fe1\u9053\u4fdd\u62a4\u673a\u5236(EtherChannel guard)\u662f\u4e2a\u597d\u4e3b\u610f\u3002<\/span><\/p>\n

\n

\u6fc0\u6d3b\u8fd9\u9879\u529f\u80fd\u7684\u601d\u79d1IOS\u5168\u5c40\u547d\u4ee4\u5982\u4e0b\uff1a<\/span><\/p>\n

Core-Sw1(config)# spanning-tree etherchannel guard misconfig<\/span><\/p>\n

\n

\u4f01\u4e1a\u8fd8\u5e94\u8be5\u5728\u8fde\u63a5\u81f3\u670d\u52a1\u5668\u7684\u6240\u6709\u63a5\u5165\u4ea4\u6362\u673a\u7aef\u53e3\u4e0a\u4f7f\u7528\u6839\u4fdd\u62a4\u673a\u5236(Root Guard)\u3002<\/span><\/p>\n

\n

\u6fc0\u6d3b\u8fd9\u9879\u529f\u80fd\u7684\u601d\u79d1IOS\u63a5\u53e3\u914d\u7f6e\u547d\u4ee4\u5982\u4e0b\uff1a<\/span><\/p>\n

Core-Sw1(config-if)# spanning-tree guard root<\/span><\/p>\n

\n

\u6709\u65f6\u5019\uff0c\u5200\u7247\u670d\u52a1\u5668\u5d4c\u5165\u4e86\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\uff0c\u8fd9\u7c7b\u670d\u52a1\u5668\u4e5f\u5e94\u8be5\u8003\u8651\u5230STP\u8bbe\u8ba1\u548c\u914d\u7f6e\u5f53\u4e2d\u3002<\/span><\/p>\n

\n

\u5e94\u8be5\u5c06\u8fd9\u4e9b\u4ea4\u6362\u673a\u7684\u914d\u7f6e\u4e0e\u5176\u4ed6\u4efb\u4f55STP\u8bbe\u5907\u4e00\u89c6\u540c\u4ec1\uff0c\u5176\u914d\u7f6e\u5e94\u8be5\u8865\u5145\u7f51\u7edc\u73af\u5883\u4e2d\u7684\u5176\u4ed6\u4ea4\u6362\u673a\u3002<\/span><\/p>\n<\/section>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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