\u91cd\u590d\u62f7\u8d1d\u5e27:<\/strong>\u00a0\u91cd\u590d\u62f7\u8d1d\u5e27\u4e5f\u79f0\u591a\u5e27\u590d\u5236,\u662f\u6307\u5355\u64ad\u5e27\u53ef\u80fd\u88ab\u591a\u6b21\u590d\u5236\u4f20\u9001\u5230\u76ee\u6807\u4e3b\u673a\u4e0a\u53bb,\u6b64\u65f6\u6570\u636e\u5e27\u7684\u591a\u4e2a\u526f\u672c\u4f1a\u4fdd\u5b58\u5728\u76ee\u6807\u4e3b\u673a\u4e0a,\u4ece\u800c\u9020\u6210\u4e3b\u673a\u8d44\u6e90\u7684\u6d6a\u8d39,\u751a\u81f3\u4f1a\u9020\u6210\u76ee\u7684\u4e3b\u673a\u65e0\u6cd5\u9009\u62e9\u5176\u4ed6\u6765\u6e90\u7684\u6570\u636e\u5e27\u800c\u5bfc\u81f4\u6570\u636e\u4e22\u5931,\u7b80\u5355\u7684\u6765\u8bb2\u5c31\u662f\u6570\u636e\u5206\u522b\u4ece\u4e24\u4e2a\u53e3\u8fdb\u5165\u4e86\u76ee\u7684\u4e3b\u673a,\u5bfc\u81f4\u76ee\u7684\u4e3b\u673aMAC\u5730\u5740\u8868\u4e2d\u5b58\u5728\u591a\u4e2a\u6570\u636e\u5e27,\u6709\u65f6\u8fd8\u4f1a\u5bfc\u81f4\u6570\u636e\u7684\u591a\u6b21\u8986\u76d6,\u4ece\u800c\u65e0\u6cd5\u63a5\u6536\u5230\u51c6\u786e\u7684\u6570\u636e.<\/p>\n MAC\u5730\u5740\u8868\u4e0d\u7a33\u5b9a:<\/strong>\u00a0\u4e00\u822c\u60c5\u51b5\u4e0b\u4ea4\u6362\u673a\u63a5\u6536\u5230\u6570\u636e\u65f6,\u4f1a\u5c06\u63a5\u6536\u6570\u636e\u5e27\u7684\u7aef\u53e3\u4e0e\u53d1\u9001\u4e3b\u673aMAC\u5730\u5740\u7684\u5bf9\u5e94\u5173\u7cfb\u6dfb\u52a0\u5230\u672c\u673a\u7684MAC\u5730\u5740\u8868\u4e2d,\u90a3\u4e48\u5982\u679c\u4ea4\u6362\u673a\u5728\u4e0d\u540c\u7684\u7aef\u53e3\u63a5\u6536\u5230\u540c\u4e00\u4e2a\u6570\u636e\u5e27\u7684\u591a\u4efd\u526f\u672c,\u5c06\u9020\u6210MAC\u5730\u5740\u8868\u5728\u77ed\u65f6\u95f4\u5185\u88ab\u591a\u6b21\u4fee\u6539,\u548c\u5faa\u73af\u91cd\u590d\u7684\u8986\u76d6,\u4ece\u800c\u5f71\u54cdMAC\u5730\u5740\u8868\u7684\u7a33\u5b9a\u6027.<\/p>\n \u4ee5\u4e0a\u51e0\u79cd\u60c5\u51b5\u662f\u5197\u4f59\u6280\u672f\u7684\u6280\u672f\u74f6\u9888\u6240\u5728,\u5728\u5b9e\u9645\u7684\u5e94\u7528\u4e2d\u7f51\u7edc\u7684\u7ed3\u6784\u5f80\u5f80\u4f1a\u5f88\u590d\u6742,\u6709\u66f4\u591a\u7684\u5197\u4f59\u94fe\u8def,\u4ece\u800c\u4f1a\u4ea7\u751f\u66f4\u591a\u7684\u4ea4\u6362\u673a\u73af\u8def,\u56e0\u6b64\u6240\u5e26\u6765\u7684\u7f51\u7edc\u5e7f\u64ad\u98ce\u66b4,\u591a\u5e27\u590d\u5236\u4f1a\u66f4\u52a0\u7684\u4e25\u91cd,\u5c31\u56e0\u4e3a\u8fd9\u79cd\u9700\u6c42,STP\u5c31\u7531\u6b64\u8bde\u751f\u4e86.<\/p>\n <\/p>\n \u4e3a\u4e86\u89e3\u51b3\u7f51\u7edc\u5197\u4f59\u94fe\u8def\u6240\u4ea7\u751f\u7684\u95ee\u9898,IEEE\u5b9a\u4e49\u4e86802.1D\u534f\u8bae,\u5373\u751f\u6210\u6811\u534f\u8baeSTP,\u5229\u7528\u751f\u6210\u6811\u534f\u8bae\u53ef\u4ee5\u907f\u514d\u5e27\u5728\u73af\u8def\u4e2d\u7684\u589e\u751f\u548c\u65e0\u9650\u5faa\u73af,\u751f\u6210\u6811\u7684\u4e3b\u8981\u601d\u60f3\u662f,\u5f53\u4e24\u4e2a\u4ea4\u6362\u673a\u4e4b\u95f4\u5b58\u5728\u591a\u6761\u94fe\u8def\u65f6,\u901a\u8fc7\u4e00\u5b9a\u7684\u7b97\u6cd5\u53ea\u6fc0\u6d3b\u5176\u4e2d\u6700\u4e3b\u8981\u7684\u4e00\u6761\u94fe\u8def,\u800c\u5c06\u5176\u4ed6\u5197\u4f59\u94fe\u8def\u963b\u585e\u6389\u53d8\u4e3a\u5907\u7528\u94fe\u8def,\u5f53\u4e3b\u94fe\u8def\u51fa\u73b0\u95ee\u9898\u65f6,\u751f\u6210\u6811\u534f\u8bae\u5c06\u81ea\u52a8\u542f\u7528\u5907\u7528\u94fe\u8def,\u6574\u4e2a\u8fc7\u7a0b\u4e0d\u9700\u8981\u8ba4\u4e3a\u5e72\u9884.<\/p>\n STP\u534f\u8bae\u4e2d\u5b9a\u4e49\u4e86,\u6839\u6865(RootBridge),\u6839\u7aef\u53e3(Root Port),\u6307\u5b9a\u7aef\u53e3(Designated Port),\u8def\u5f84\u5f00\u9500(Path Cost)\u7b49\u6982\u5ff5,\u76ee\u7684\u5728\u4e8e\u901a\u8fc7\u6784\u5efa\u4e00\u68f5\u81ea\u7136\u6811\u7684\u65b9\u6cd5\u963b\u585e\u5197\u4f59\u94fe\u8def,\u540c\u65f6\u5b9e\u73b0\u94fe\u8def\u5907\u4efd\u548c\u94fe\u8def\u6700\u4f18\u5316.<\/p>\n STP\u534f\u8bae\u7684\u901a\u4fe1,\u662f\u901a\u8fc7\u6865\u534f\u8bae\u6570\u636e\u5355\u5143(BPDU)\u8fdb\u884c\u901a\u4fe1\u7684,\u5b83\u662f\u8fd0\u884cSTP\u7684\u4ea4\u6362\u673a\u4e4b\u95f4\u4ea4\u6d41\u6d88\u606f\u5e27,\u6240\u6709\u7684\u652f\u6301STP\u534f\u8bae\u7684\u4ea4\u6362\u673a\u90fd\u80fd\u63a5\u6536\u5e76\u5904\u7406BPDU\u62a5\u6587.<\/p>\n STP\u5de5\u4f5c\u8fc7\u7a0b:<\/strong>\u00a0\u9009\u4e3e\u6839\u6865->\u9009\u4e3e\u6839\u7aef\u53e3->\u9009\u4e3e\u6307\u5b9a\u7aef\u53e3->STP\u963b\u585e\u975e\u6839<\/p>\n 1.\u9009\u4e3e\u6839\u6865:\u4ea4\u6362\u673a\u5047\u5b9a\u81ea\u5df1\u662f\u6839,\u7136\u540e\u53d1\u9001BPDU\u62a5\u6587\u7ed9\u5176\u4ed6\u4ea4\u6362\u673a,\u6700\u7ec8\u9009\u51faID\u53f7\u6700\u5c0f\u7684\u4ea4\u6362\u673a\u4f5c\u4e3a\u6839\u6865. STP\u7aef\u53e3\u72b6\u6001:<\/strong><\/p>\n 1.\u963b\u585e(Blocking):\u7aef\u53e3\u53ea\u63a5\u53d7BPDU,\u4e0d\u80fd\u63a5\u6536\u6216\u53d1\u9001\u6570\u636e,\u4e5f\u4e0d\u80fd\u628a\u5b66\u4e60\u5230\u7684MAC\u5730\u5740\u5929\u673a\u5230MAC\u5730\u5740\u8868\u4e2d. <\/p>\n STP\u534f\u8bae\u867d\u7136\u89e3\u51b3\u4e86\u94fe\u8def\u95ed\u5408\u5f15\u8d77\u7684\u6b7b\u5faa\u73af\u95ee\u9898,\u4f46\u662f\u5728\u7aef\u53e3\u4ece\u963b\u585e\u72b6\u6001\u5230\u8f6c\u53d1\u72b6\u6001\u95f4\u7ecf\u8fc7\u4e86\u4e00\u4e2a\u53ea\u5b66\u4e60MAC\u5730\u5740\u4f46\u4e0d\u53c2\u4e0e\u8f6c\u53d1\u7684\u8fc7\u7a0b,\u4ea7\u751f\u4e86\u8f6c\u53d1\u5ef6\u65f6(\u9ed8\u8ba415\u79d2),\u4ece\u800c\u4f7f\u5f97\u751f\u6210\u6811\u7684\u6536\u655b\u8fc7\u7a0b\u9700\u8981\u8f83\u957f\u7684\u65f6\u95f4,\u4e00\u822c\u662f\u8f6c\u53d1\u5ef6\u65f6\u7684\u4e24\u500d.<\/p>\n \u4e3a\u4e86\u89e3\u51b3STP\u6536\u655b\u65f6\u95f4\u8fc7\u957f\u7684\u7f3a\u70b9,IEEE\u53c8\u63a8\u51fa\u4e86802.1w\u6807\u51c6,\u5b9a\u4e49\u4e86RSTP(\u5feb\u901f\u751f\u6210\u6811)\u534f\u8bae.RSTP\u534f\u8bae\u5728\u7f51\u7edc\u914d\u7f6e\u53c2\u6570\u53d1\u751f\u53d8\u5316\u65f6,\u80fd\u591f\u663e\u8457\u7684\u51cf\u5c11\u7f51\u7edc\u7684\u6536\u655b\u65f6\u95f4,\u7531\u4e8eRSTP\u662f\u4eceSTP\u53d1\u5c55\u800c\u6765\u7684,\u5176\u4e0eSTP\u534f\u8bae\u4fdd\u6301\u9ad8\u5ea6\u7684\u517c\u5bb9\u6027,RSTP\u534f\u8bae\u89c4\u5b9a,\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b,\u5904\u4e8e\u963b\u585e\u72b6\u6001\u7684\u7aef\u53e3\u4e0d\u5fc5\u7ecf\u5386\u963b\u585e->\u4fa6\u542c->\u5b66\u4e60->\u8f6c\u53d1\u8fd9\u4e00\u4e2a\u8fc7\u7a0b,\u5c31\u53ef\u4ee5\u76f4\u63a5\u8fdb\u5165\u8f6c\u53d1\u72b6\u6001.<\/p>\n RSTP\u534f\u8bae\u53ea\u6709\u4ee5\u4e0b\u4e09\u79cd:<\/strong><\/p>\n 1.\u4e22\u5f03(Discarding):RSTP\u5c06STP\u4e2d\u7684\u963b\u585e,\u7981\u7528,\u548c\u4fa6\u542c\u7edf\u79f0\u4e3a\u4e22\u5f03\u6a21\u5f0f. \u4ee5\u4e0a\u5c31\u662f\u751f\u6210\u6811\u534f\u8bae\u7684\u5e38\u7528\u5185\u5bb9,\u5bf9\u6bd4\u540e\u4f1a\u53d1\u73b0,RSTP\u7684\u6536\u655b\u65f6\u95f4\u660e\u663e\u4f4e\u4e8eSTP,\u89e3\u51b3\u4e86\u6570\u636e\u540c\u6b65\u8fc7\u6162\u7684\u95ee\u9898\u6240\u5728.<\/p>\n \u63a5\u4e0b\u6765\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u5b9e\u4f8b,\u6765\u5b8c\u6210\u751f\u6210\u6811\u7684\u914d\u7f6e\u547d\u4ee4\u548c\u914d\u7f6e\u6d41\u7a0b\u7684\u5b9e\u8df5,\u4ee5\u4e0b\u5b9e\u9a8c\u6211\u4eec\u5c06\u628aSwitch1(\u4e09\u5c42\u4ea4\u6362)\u914d\u7f6e\u6210\u6839\u6865,\u5c06Switch2(\u4e8c\u5c42\u4ea4\u6362)\u914d\u7f6e\u4e3a\u5907\u4efd\u6839\u6865,\u5b9e\u9a8c\u62d3\u6251\u7ed3\u6784\u5982\u4e0b\u56fe:<\/p>\n \u5224\u65ad\u6839\u6865:<\/strong>\u00a0\u9996\u5148\u6211\u4eec\u9700\u8981\u5224\u65ad\u5f53\u524d\u7684\u6839\u6865\u662f\u54ea\u4e00\u4e2a\u8bbe\u5907,\u6211\u4eec\u5206\u522b\u5728\u56db\u53f0\u4ea4\u6362\u673a\u4e0a\u6267\u884cshow spanning-tree \u547d\u4ee4,\u6765\u67e5\u8be2\u9ed8\u8ba4\u90a3\u4e00\u53f0\u662f\u6839\u6865\u8bbe\u5907,\u4ee5\u4e0b\u5b9e\u9a8c\u663e\u793a\u7ed3\u679c\u4e3aSwitch4\u662f\u6839\u6865\u8bbe\u5907.<\/p>\n Switch1# show spanning-tree \/\/ \u67e5\u8be2switch1\u662f\u5426\u4e3a\u6839\u6865<\/p>\n Switch2# show spanning-tree \/\/ \u67e5\u8be2switch2\u662f\u5426\u4e3a\u6839\u6865<\/p>\n Switch3# show spanning-tree \/\/ \u67e5\u8be2switch3\u662f\u5426\u4e3a\u6839\u6865<\/p>\n Switch4# show spanning-tree \/\/ \u67e5\u8be2switch4\u662f\u5426\u4e3a\u6839\u6865<\/p>\n VLAN0001<\/p>\n Spanning tree enabled protocol ieee<\/p>\n Root ID Priority 32769 \/\/ \u6839\u6865ID\u7684\u4f18\u5148\u7ea7<\/p>\n Address 0003.E41C.0B2C \/\/ \u6839\u6865\u7684MAC\u5730\u5740<\/p>\n This bridge is the root \/\/ \u51fa\u73b0\u8fd9\u6761\u8bed\u53e5,\u5219\u8bf4\u660e\u8fd9\u53f0\u662f\u4ea4\u6362\u673a\u6839\u6865<\/p>\n Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec<\/p>\n Bridge ID Priority 32769 \/\/ \u7f51\u6865ID\u4f18\u5148\u7ea7<\/p>\n Address 0003.E41C.0B2C \/\/ \u7f51\u6865\u7684MAC\u5730\u5740<\/p>\n Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec<\/p>\n Aging Time 20<\/p>\n Interface Role Sts Cost Prio.Nbr Type<\/p>\n —————- —- — ——— ——– ——————————–<\/p>\n Fa0\/2 Desg FWD 19 128.2 P2p<\/p>\n Fa0\/1 Desg FWD 19 128.1 P2p<\/p>\n \u6307\u5b9a\u6839\u6865:<\/strong>\u00a0\u6211\u4eec\u60f3\u8ba9Switch1(\u4e09\u5c42\u4ea4\u6362)\u4f5c\u4e3a\u6839\u6865\u8bbe\u5907,\u6b64\u65f6\u53ef\u5728\u4e09\u5c42\u4ea4\u6362\u673a\u4e0a,\u76f4\u63a5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4,\u66f4\u6362\u6839\u6865\u8bbe\u5907.<\/p>\n Switch1> enable<\/p>\n Switch1# configure terminal<\/p>\n Switch1(config)# spanning-tree vlan 1 root primary \/\/ \u5c06\u672c\u8bbe\u5907\u914d\u7f6e\u6210\u6839\u6865<\/p>\n Switch1(config)# exit<\/p>\n Switch1# show spanning-tree \/\/ \u67e5\u8be2\u662f\u5426\u914d\u7f6e\u6210\u529f<\/p>\n VLAN0001<\/p>\n Spanning tree enabled protocol ieee<\/p>\n Root ID Priority 24577<\/p>\n Address 0004.9A4C.052D<\/p>\n This bridge is the root \/\/ \u770b\u5230\u8fd9\u91cc,\u8bf4\u660e\u914d\u7f6e\u6210\u529f\u4e86<\/p>\n Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec<\/p>\n Bridge ID Priority 24577 (priority 24576 sys-id-ext 1)<\/p>\n Address 0004.9A4C.052D<\/p>\n Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec<\/p>\n Aging Time 20<\/p>\n Interface Role Sts Cost Prio.Nbr Type<\/p>\n —————- —- — ——— ——– ——————————–<\/p>\n Fa0\/1 Desg FWD 19 128.1 P2p<\/p>\n Fa0\/2 Desg FWD 19 128.2 P2p<\/p>\n \u6307\u5b9a\u5907\u4efd\u6839\u6865:<\/strong>\u00a0\u63a5\u4e0b\u6765\u5c06Switch2(\u4e8c\u5c42\u4ea4\u6362)\u6307\u5b9a\u4e3a\u5907\u4efd\u6839\u6865,\u5f53Switch1\u51fa\u73b0\u6545\u969c\u540e,Switch2\u5c06\u88ab\u9009\u4e3e\u4e3a\u6839\u6865\u8bbe\u5907,\u4ece\u800c\u4fdd\u8bc1\u7f51\u7edc\u7684\u6b63\u5e38\u8fd0\u8f6c,\u4fee\u6539\u65b9\u5f0f\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5373\u53ef\u5b9e\u73b0.<\/p>\n Switch2> enable<\/p>\n Switch2# configure terminal<\/p>\n Switch2(config)#spanning-tree vlan 1 root secondary \/\/ \u5c06\u672c\u8bbe\u5907\u914d\u7f6e\u6210\u6839\u6865<\/p>\n Switch2(config)#exit<\/p>\n Switch2#show spanning-tree<\/p>\n VLAN0001<\/p>\n Spanning tree enabled protocol ieee<\/p>\n Root ID Priority 24577<\/p>\n Address 0004.9A4C.052D<\/p>\n Cost 19<\/p>\n Port 1(FastEthernet0\/1)<\/p>\n Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec<\/p>\n Bridge ID Priority 28673 (priority 28672 sys-id-ext 1)<\/p>\n Address 00E0.8FAC.DC89<\/p>\n Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec<\/p>\n Aging Time 20<\/p>\n Interface Role Sts Cost Prio.Nbr Type<\/p>\n —————- —- — ——— ——– ——————————–<\/p>\n Fa0\/2 Desg FWD 19 128.2 P2p<\/p>\n Fa0\/1 Root FWD 19 128.1 P2p<\/p>\n \u6b64\u65f6\u914d\u7f6e\u5230\u8fd9\u91cc,\u6211\u4eec\u53ef\u4ee5\u624b\u52a8\u5173\u95edSwitch1(\u4e09\u5c42\u4ea4\u6362),\u7136\u540e\u53bb\u67e5\u770bSwitch2(\u4e8c\u5c42\u4ea4\u6362),\u901a\u8fc7show spanning-tree\u547d\u4ee4,\u4f60\u4f1a\u53d1\u73b0\u5f53\u4e09\u5c42\u4ea4\u6362\u673a\u5173\u673a\u7684\u65f6\u5019,\u4e8c\u5c42\u4ea4\u6362\u673a\u9ed8\u8ba4\u53d8\u6210\u4e86\u6839\u6865,\u9876\u66ff\u4e86Switch1\u7684\u5de5\u4f5c,\u5f53Switch1\u542f\u52a8\u540e,\u9ed8\u8ba4\u4f1a\u5c06Switch1\u518d\u6b21\u6062\u590d\u6210\u6839\u6865.<\/p>\n \u5728\u6211\u4eec\u7684\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4e2d,\u5e38\u5e38\u5c06\u4ea4\u6362\u673a\u4e4b\u95f4\u7528\u591a\u6761\u94fe\u8def\u8fde\u63a5\u8d77\u6765,\u4ee5\u83b7\u5f97\u66f4\u9ad8\u7684\u4f20\u8f93\u80fd\u529b\u548c\u7f51\u7edc\u6027\u80fd,\u4f46\u6839\u636e\u4e4b\u524d\u7684\u751f\u6210\u6811\u534f\u8bae,\u5f53\u4ea4\u6362\u673a\u4e4b\u95f4\u6709\u5197\u4f59\u94fe\u8def\u65f6,\u5b9e\u9645\u5de5\u4f5c\u7684\u94fe\u8def\u53ea\u6709\u4e00\u6761,\u4e5f\u5c31\u662f\u8bf4\u751f\u6210\u6811\u534f\u8bae\u963b\u788d\u4e86\u7f51\u7edc\u4f20\u8f93\u80fd\u529b\u7684\u63d0\u9ad8.<\/p>\n \u4e3a\u4e86\u89e3\u51b3\u751f\u6210\u6811\u534f\u8bae\u7684\u4f20\u8f93\u80fd\u529b\u7684\u4e0d\u8db3,\u51fa\u73b0\u4e86\u4e00\u79cd\u540d\u4e3a\u7aef\u53e3\u805a\u5408\u7684\u6280\u672f,\u5b83\u5c06\u591a\u6761\u7269\u7406\u94fe\u8def\u7ec4\u5408\u6210\u4e00\u6761\u903b\u8f91\u7ebf\u8def,\u5b9e\u73b0\u94fe\u8def\u5e26\u5bbd\u7684\u589e\u52a0,\u4e14\u8fd8\u5177\u6709\u5197\u4f59\u4f5c\u7528,\u5f53\u5176\u4e2d\u90e8\u5206\u94fe\u8def\u51fa\u73b0\u6545\u969c\u65f6,\u5176\u4ed6\u94fe\u8def\u8fd8\u53ef\u4ee5\u7ee7\u7eed\u4f20\u8f93\u6570\u636e.<\/p>\n \u4f46\u662f\u5e76\u4e0d\u662f\u6240\u6709\u7684\u7aef\u53e3\u90fd\u53ef\u4ee5\u4efb\u610f\u805a\u5408,\u7aef\u53e3\u805a\u5408\u9700\u8981\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6.<\/p>\n 1.\u805a\u5408\u7684\u7aef\u53e3\u914d\u7f6e\u9700\u8981\u76f8\u540c,\u5305\u62ec\u7aef\u53e3\u901f\u7387\u548c\u4f20\u8f93\u4ecb\u8d28\u7b49. \u7aef\u53e3\u805a\u5408\u5f62\u6210\u7684\u903b\u8f91\u7aef\u53e3\u79f0\u4e3a\u805a\u5408\u7aef\u53e3,\u7aef\u53e3\u805a\u5408\u540e\u539f\u6765\u7aef\u53e3\u7684\u5c5e\u6027\u5c31\u4f1a\u88ab\u805a\u5408\u7aef\u53e3\u7684\u5c5e\u6027\u6240\u8986\u76d6,\u4e5f\u4e0d\u80fd\u5728\u6e90\u7aef\u53e3\u4e0a\u505a\u4efb\u4f55\u914d\u7f6e,\u5b9e\u73b0\u7aef\u53e3\u805a\u5408\u540e,\u5373\u4f7f\u7f51\u7edc\u94fe\u8def\u51fa\u73b0\u6545\u969c,\u53ea\u8981\u4e0d\u662f\u6240\u6709\u94fe\u8def\u90fd\u6545\u969c,\u7f51\u7edc\u8fd8\u662f\u53ef\u4ee5\u7ee7\u7eed\u8fd0\u884c\u7684,\u53ea\u4e0d\u8fc7\u7f51\u7edc\u4f20\u8f93\u901f\u5ea6\u4f1a\u964d\u4f4e\u800c\u5df2.<\/p>\n \u4e0b\u9762\u5c06\u7528\u4e00\u4e2a\u5177\u4f53\u7684\u5b9e\u4f8b\u8bb2\u89e3\u7aef\u53e3\u805a\u5408\u7684\u914d\u7f6e\u65b9\u6cd5\u548c\u914d\u7f6e\u8fc7\u7a0b,\u5305\u62ec\u521b\u5efa\u805a\u5408\u7aef\u53e3,\u914d\u7f6e\u805a\u5408\u7aef\u53e3\u7684\u5de5\u4f5c\u65b9\u5f0f\u548c\u914d\u7f6e\u8d1f\u8f7d\u5e73\u8861,\u9996\u5148\u5206\u522b\u521b\u5efa\u4e24\u4e2a\u4e09\u5c42\u4ea4\u6362\u673a,\u5e76\u901a\u8fc7\u7f51\u7ebffa0\/1-4\u76f8\u8fde,\u62d3\u6251\u56fe\u5982\u4e0b:<\/p>\n \u521b\u5efa\u805a\u5408\u7aef\u53e3:<\/strong>\u00a0\u5728\u4e24\u53f0\u4ea4\u6362\u673a\u4e0a\u5206\u522b\u521b\u5efa\u805a\u5408\u7aef\u53e3,\u4e14\u4e24\u53f0\u4ea4\u6362\u673a\u7aef\u53e3\u8981\u4e00\u81f4.<\/p>\n #—-\u5728Switch1\u4e0a\u64cd\u4f5c————————-<\/p>\n Switch1(config)#interface port-channel 1 \/\/ \u521b\u5efa\u7aef\u53e3\u53f7\u4e3a1\u7684\u805a\u5408\u7aef\u53e3(Switch1)<\/p>\n Switch1(config-if)#exit<\/p>\n #—-\u5728Switch2\u4e0a\u64cd\u4f5c————————-<\/p>\n Switch2(config)#interface port-channel 1<\/p>\n Switch2(config-if)#exit<\/p>\n \u6dfb\u52a0\u805a\u5408\u7aef\u53e3:<\/strong>\u00a0\u5c06\u56fe\u4e2d\u7684fa0\/1-4\u7aef\u53e3\u52a0\u5165\u5230\u805a\u5408\u7aef\u53e3\u4e2d,\u4e14\u4e24\u53f0\u4ea4\u6362\u673a\u90fd\u9700\u8981\u914d\u7f6e.<\/p>\n #—-\u5728Switch1\u4e0a\u64cd\u4f5c————————-<\/p>\n Switch1(config)# interface range fa0\/1-4 \/\/ \u9009\u62e9\u914d\u7f6e\u805a\u5408\u7684\u7aef\u53e3\u8303\u56f4<\/p>\n Switch1(config-if-range)# channel-group 1 mode on \/\/ \u5c06\u6240\u9009\u7aef\u53e3\u52a0\u5165\u52301\u53f7\u805a\u5408,\u5e76\u542f\u52a8<\/p>\n #—-\u5728Switch2\u4e0a\u64cd\u4f5c————————-<\/p>\n Switch2(config)# interface range fa0\/1-4<\/p>\n Switch2(config-if-range)# channel-group 1 mode on<\/p>\n \u914d\u7f6e\u8d1f\u8f7d\u5e73\u8861:<\/strong>\u00a0\u63a5\u4e0b\u6765\u5206\u522b\u5728,\u4ea4\u6362\u673aSwitch1\u548c\u4ea4\u6362\u673aSwitch2\u4e0a\u914d\u7f6e\u6839\u636e\u6e90MAC\u5730\u5740\u7684\u8d1f\u8f7d\u5e73\u8861.<\/p>\n #—-\u5728Switch1\u4e0a\u64cd\u4f5c————————-<\/p>\n Switch1(config)# port-channel load-balance src-mac \/\/ \u914d\u7f6e\u8d1f\u8f7d\u5e73\u8861\u6a21\u5f0f\u4e3asrc-mac<\/p>\n #—-\u5728Switch2\u4e0a\u64cd\u4f5c————————-<\/p>\n Switch2(config)# port-channel load-balance src-mac<\/p>\n \u914d\u7f6e\u805a\u5408\u7aef\u53e3:<\/strong>\u00a0\u7ee7\u7eed\u914d\u7f6e\u805a\u5408\u7aef\u53e3\u5c5e\u6027,\u5728\u4ea4\u6362\u673aSwitch2\u4e0a\u914d\u7f6e\u805a\u5408\u7684\u5c5e\u6027.<\/p>\n #—-\u5728Switch2\u4e0a\u64cd\u4f5c————————-<\/p>\n Switch2(config)# interface port-channel 1 \/\/ \u9009\u62e9\u805a\u5408\u7aef\u53e3<\/p>\n Switch2(config-if)# switchport mode trunk \/\/ \u914d\u7f6e\u805a\u5408\u7aef\u53e3\u5de5\u4f5c\u6a21\u5f0f\u4e3aTrunk<\/p>\n \u67e5\u8be2\u662f\u5426\u751f\u6548:<\/strong>\u00a0\u6700\u540e\u901a\u8fc7\u4f7f\u7528show etherchannel summary\u547d\u4ee4,\u67e5\u8be2\u805a\u5408\u60c5\u51b5,\u4e24\u53f0\u4ea4\u6362\u673a\u90fd\u53ef\u67e5\u8be2\u5230.<\/p>\n Switch1# show etherchannel summary<\/p>\n Flags: D – down P – in port-channel<\/p>\n I – stand-alone s – suspended<\/p>\n H – Hot-standby (LACP only)<\/p>\n R – Layer3 S – Layer2<\/p>\n U – in use f – failed to allocate aggregator<\/p>\n u – unsuitable for bundling<\/p>\n w – waiting to be aggregated<\/p>\n d – default port<\/p>\n Number of channel-groups in use: 1<\/p>\n Number of aggregators: 1<\/p>\n Group Port-channel Protocol Ports \/\/ \u56db\u4e2a\u7aef\u53e3\u90fd\u52a0\u5165\u4e86\u805a\u5408\u94fe\u8def\u4e2d<\/p>\n ——+————-+———–+———————————————-<\/p>\n 1 Po1(SU) – Fa0\/1(P) Fa0\/2(P) Fa0\/3(P) Fa0\/4(P) \/\/ \u8fd9\u91cc\u663e\u793a<\/p>\n \u6839\u636e\u4e0a\u9762\u7684\u8fd4\u56de\u4fe1\u606f\u53ef\u4ee5\u770b\u5230,fa0\/1,fa0\/2,fa0\/3,fa0\/4\u90fd\u52a0\u5165\u5230\u4e86\u805a\u5408\u7aef\u53e31,\u4f7f\u7528\u76f8\u540c\u7684\u547d\u4ee4\u4e5f\u53ef\u4ee5\u67e5\u8be2\u5230\u4e8c\u53f7\u4ea4\u6362\u673a\u7684\u914d\u7f6e\u60c5\u51b5.<\/p>\n \u5728\u5b9e\u9645\u7684\u751f\u4ea7\u73af\u5883\u4e2d,\u5bf9\u4e8e\u6709\u8f83\u9ad8\u5b89\u5168\u8981\u6c42\u7684\u8bbe\u5907,\u53ef\u4ee5\u4f7f\u7528\u7aef\u53e3\u5b89\u5168\u6280\u672f(Port Security)\u6765\u63d0\u9ad8\u7f51\u7edc\u7684\u5b89\u5168\u6027,\u7aef\u53e3\u5b89\u5168\u6280\u672f\u53ef\u5728\u63a5\u5165\u5c42\u9a8c\u8bc1\u63a5\u5165\u8bbe\u5907,\u9632\u6b62\u672a\u7ecf\u5141\u8bb8\u7684\u8bbe\u5907\u63a5\u5165\u5230\u7f51\u7edc\u4e2d,\u8fd8\u53ef\u4ee5\u9650\u5236\u7aef\u53e3\u63a5\u5165\u7684\u8bbe\u5907\u6570\u91cf,\u9632\u6b62\u8fc7\u591a\u8bbe\u5907\u63a5\u5165\u7f51\u7edc,\u5f71\u54cd\u7f51\u7edc\u901f\u7387.<\/p>\n \u914d\u7f6e\u7aef\u53e3\u5b89\u5168\u6709\u4e24\u79cd,\u52a8\u6001\u7ed1\u5b9a\u548c\u9759\u6001\u7ed1\u5b9a<\/p>\n \u25cf \u52a8\u6001\u7ed1\u5b9a:\u8be5\u65b9\u6cd5\u662f\u914d\u7f6e\u7aef\u53e3\u5b89\u5168\u6700\u7b80\u5355\u7684\u65b9\u6cd5,\u5728\u4e00\u4e2a\u5df2\u7ecf\u542f\u7528\u7684\u7aef\u53e3\u4e0a\u914d\u7f6e\u52a8\u6001\u7ed1\u5b9a\u540e,\u53ef\u4ee5\u8ba9\u4ea4\u6362\u673a\u81ea\u52a8\u7ed1\u5b9a\u6700\u5148\u63a5\u5165\u7684\u89c4\u5b9a\u6570\u91cf\u7684\u8bbe\u5907,\u8be5\u65b9\u6cd5\u4e5f\u662f\u6700\u5e38\u7528\u7684\u4e00\u79cd\u7ed1\u5b9a\u65b9\u5f0f. \u63a5\u4e0b\u6765\u770b\u4e00\u4e2a\u5177\u4f53\u7684\u5b9e\u4f8b,\u6765\u5b9e\u73b0\u7aef\u53e3\u5b89\u5168\u7684\u914d\u7f6e,\u5305\u62ec\u7aef\u53e3\u7ed1\u5b9a\u7aef\u53e3\u8fdd\u89c4\u7684\u5904\u7406\u7b49,\u5b9e\u9a8c\u62d3\u6251\u56fe\u53c2\u6570\u5982\u4e0b:<\/p>\n \u542f\u7528\u7aef\u53e3\u5b89\u5168:<\/strong>\u00a0\u914d\u7f6e\u4ea4\u6362\u673aSwitch0\u542f\u7528fa0\/1\u7aef\u53e3,\u914d\u7f6e\u7aef\u53e3\u65f6\u5e94\u5148\u5173\u95ed\u7aef\u53e3,\u5426\u5219\u4f1a\u62a5\u9519\u8bef.<\/p>\n Switch0(config)# interface fa0\/1 \/\/ \u9009\u62e91\u53f7\u7aef\u53e3<\/p>\n Switch0(config-if)# shutdown \/\/ \u5148\u5173\u95ed\u7aef\u53e3,\u9632\u6b62\u51b2\u7a81<\/p>\n Switch0(config-if)# switchport mode access \/\/ \u914d\u7f6e\u7aef\u53e3\u5de5\u4f5c\u6a21\u5f0f\u4e3aTrunk<\/p>\n Switch0(config-if)# switchport port-security \/\/ \u542f\u7528\u7aef\u53e3\u5b89\u5168<\/p>\n Switch0(config-if)# no shutdown \/\/ \u5f00\u542f\u7aef\u53e3<\/p>\n \u914d\u7f6e\u9759\u6001\u5730\u5740:<\/strong>\u00a0\u9759\u6001\u6307\u5b9a\u5141\u8bb8\u63a5\u5165\u7684\u8bbe\u5907\u7684MAC\u5730\u5740,\u9996\u5148\u8981\u77e5\u9053MAC\u5730\u5740\u662f\u591a\u5c11.<\/p>\n C:\\>arp -a \/\/ \u9996\u5148\u67e5\u8be2\u5230\u4e24\u53f0\u673a\u5668MAC\u5730\u5740\u662f\u591a\u5c11<\/p>\n PC0 0001.4272.5EE7<\/p>\n PC1 00D0.589B.0C35<\/p>\n #—-\u7ed1\u5b9aMAC\u5730\u5740\u5217\u8868—————————–<\/p>\n Switch0(config)# interface fa0\/1 \/\/ \u9009\u62e9\u914d\u7f6e\u7aef\u53e3<\/p>\n Switch0(config-if)# switchport port-security maximum 2 \/\/ \u914d\u7f6e\u6700\u5927\u5141\u8bb82\u53f0\u8bbe\u5907\u63a5\u5165<\/p>\n Switch0(config-if)# switchport port-security mac-address 0001.4272.5EE7 \/\/ \u7ed1\u5b9aMAC\u5730\u5740<\/p>\n Switch0(config-if)# switchport port-security mac-address 00D0.589B.0C35<\/p>\n Switch0(config-if)# switchport port-security violation shutdown \/\/ \u914d\u7f6e\u8fdd\u89c4\u540e\u5173\u95ed\u6307\u5b9a\u7aef\u53e3<\/p>\n Switch0(config-if)# no shutdown \/\/ \u542f\u52a8\u8fd9\u4e9b\u7aef\u53e3<\/p>\n Switch0(config-if)# exit<\/p>\n #—-\u67e5\u8be2\u7ed1\u5b9aMAC\u5730\u5740\u5217\u8868————————-<\/p>\n Switch0# show port-security address \/\/ \u67e5\u8be2\u7ed1\u5b9a\u7684MAC\u5730\u5740\u5217\u8868<\/p>\n Secure Mac Address Table<\/p>\n ——————————————————————————-<\/p>\n Vlan Mac Address Type Ports Remaining Age<\/p>\n (mins)<\/p>\n —- ———– —- —– ————-<\/p>\n 1 00D0.589B.0C35 SecureConfigured FastEthernet0\/1 – \/\/ \u7ed1\u5b9a\u7684MAC\u5730\u5740<\/p>\n 1 0001.4272.5EE7 SecureConfigured FastEthernet0\/1 –<\/p>\n ——————————————————————————<\/p>\n Total Addresses in System (excluding one mac per port) : 1<\/p>\n Max Addresses limit in System (excluding one mac per port) : 1024<\/p>\n \u914d\u7f6e\u52a8\u6001\u5730\u5740:<\/strong>\u00a0\u52a8\u6001\u5206\u914d\u63a5\u5165\u8bbe\u5907\u7684MAC\u5730\u5740,\u6b64\u914d\u7f6e\u65e0\u9700\u7ed1\u5b9aMAC\u5730\u5740,\u4f1a\u63a5\u5165\u6700\u5148\u8bbf\u95ee\u7684\u4e3b\u673aMAC\u5730\u5740.<\/p>\n Switch0(config)# interface fa0\/1 \/\/ \u9009\u62e9\u6307\u5b9a\u7aef\u53e3<\/p>\n Switch0(config-if)# switchport port-security maximum 2 \/\/ \u914d\u7f6e\u6700\u5927\u63a5\u5165MAC\u5730\u5740\u4e3a2<\/p>\n Switch0(config-if)# switchport port-security mac-address sticky \/\/ \u81ea\u52a8\u83b7\u53d6\u63a5\u5165\u8bbe\u5907<\/p>\n Switch0(config-if)# switchport port-security violation shutdown \/\/ \u5bf9\u8fdd\u89c4\u8bbe\u5907\u62d2\u7edd\u670d\u52a1<\/p>\n Switch0(config-if)# no shutdown \/\/ \u542f\u52a8\u8fd9\u4e9b\u7aef\u53e3<\/p>\n Switch0(config-if)# exit<\/p>\n \u6700\u540e\u67e5\u8be2\u7ed3\u679c:<\/strong>\u00a0\u67e5\u770b\u914d\u7f6e\u7ed3\u679c\u4ee5\u53ca\u5206\u914d\u60c5\u51b5,\u4f7f\u7528show port-security interface fa0\/1\u547d\u4ee4,\u67e5\u770bfa0\/1\u7aef\u53e3\u7684\u914d\u7f6e\u7ed3\u679c.<\/p>\n Switch0# show port-security interface fa0\/1 \/\/ \u67e5\u770b\u7aef\u53e3fa0\/1\u7684\u63a5\u5165\u60c5\u51b5<\/p>\n Port Security : Enabled \/\/ \u7aef\u53e3\u5b89\u5168\u662f\u5426\u542f\u7528<\/p>\n Port Status : Secure-up \/\/ \u7aef\u53e3\u72b6\u6001<\/p>\n Violation Mode : Shutdown \/\/ \u8fdd\u89c4\u7aef\u53e3\u7684\u5904\u7406\u65b9\u5f0f<\/p>\n Aging Time : 0 mins<\/p>\n Aging Type : Absolute<\/p>\n SecureStatic Address Aging : Disabled<\/p>\n Maximum MAC Addresses : 2 \/\/ \u5141\u8bb8\u63a5\u5165\u7684\u6700\u5927\u8bbe\u5907<\/p>\n Total MAC Addresses : 2 \/\/ \u5f53\u524d\u63a5\u5165\u7684\u8bbe\u5907\u6570\u91cf<\/p>\n Configured MAC Addresses : 2 \/\/ \u9759\u6001\u914d\u7f6e\u7684MAC\u5730\u5740\u6570\u91cf<\/p>\n Sticky MAC Addresses : 0 \/\/ \u52a8\u6001\u914d\u7f6e\u7684MAC\u5730\u5740\u6570\u91cf<\/p>\n Last Source Address:Vlan : 0000.0000.0000:0 \/\/ \u6807\u6ce8\u51fa\u8fdd\u89c4\u8bbe\u5907\u7684MAC\u5730\u5740<\/p>\n Security Violation Count : 0 \/\/ \u5b89\u5168\u8fdd\u89c4\u8ba1\u6570\u5668<\/p>\n \u5b8c\u6210\u4e0a\u65b9\u7684\u914d\u7f6e\u540e,\u624b\u52a8\u5728Switch0\u4ea4\u6362\u673a\u4e0a\u65b0\u6dfb\u52a0\u4e00\u4e2aPC2\u4e3b\u673a,\u5219\u4e00\u5207\u6b63\u5e38,\u800c\u5982\u679c\u5728Hub\u96c6\u7ebf\u5668\u4e0a\u6dfb\u52a0\u4e00\u4e2aPC3\u4e3b\u673a,\u90a3\u4e48\u94fe\u8def\u5c06\u89e6\u53d1\u8fdd\u89c4\u52a8\u4f5c,\u5982\u679c\u6b64\u65f6\u4f7f\u7528show port-security interface fa0\/1 \u547d\u4ee4\u67e5\u8be2\u4f1a\u53d1\u73b0,Security Violation Count:1\u5b89\u5168\u8fdd\u89c4\u8ba1\u6570\u53d8\u6210\u4e861.<\/p>\n \u5982\u679c\u66f4\u6362\u4e86\u4e3b\u673a\u8bbe\u5907,\u8fd9\u91cc\u901a\u8fc7\u66f4\u6539PC1\u4e3b\u673a\u7684MAC\u5730\u5740\u6765\u6a21\u62df\u8bbe\u5907\u7684\u66f4\u6362,\u7136\u540e\u518d\u6d4b\u8bd5\u4f1a\u53d1\u73b0Last Source Address:Vlan\u8fd9\u4e00\u4e2a\u9009\u9879,\u4f1a\u5177\u4f53\u7684\u6807\u6ce8\u51fa\u8fdd\u89c4\u8bbe\u5907\u7684MAC\u5730\u5740.<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" STP \u6280\u672f\u7b80\u4ecb \u25c6\u5197\u4f59\u6280\u672f\u6982\u8ff0\u25c6 \u5197\u4f59\u6280\u672f\u53c8\u79f0\u4e3a\u50a8\u5907\u6280\u672f,\u662f\u5229\u7528\u5e76\u8054\u6a21\u578b\u6765\u63d0\u9ad8\u7f51\u7edc\u53ef\u9760\u6027\u7684\u4e00\u79cd […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2542","post","type-post","status-publish","format-standard","hentry","category-cisco"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/2542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2542"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/2542\/revisions"}],"predecessor-version":[{"id":2546,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/2542\/revisions\/2546"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u25c6STP\u751f\u6210\u6811\u534f\u8bae\u25c6<\/h3>\n
\n2.\u9009\u4e3e\u6839\u7aef\u53e3:\u6bcf\u53f0\u975e\u6839\u4ea4\u6362\u673a\u90fd\u4f1a\u9009\u4e3e\u51fa\u4e00\u4e2a\u6839\u7aef\u53e3,\u5e76\u4e14\u4ec5\u6709\u4e00\u4e2a\u6839\u7aef\u53e3,\u5e76\u6309\u7167\u4f18\u5148\u7ea7\u9009\u62e9\u4e00\u4e2a\u6839\u7aef\u53e3.
\n3.\u9009\u4e3e\u6307\u5b9a\u7aef\u53e3:\u9009\u62e9\u4e00\u6761\u7f51\u6865\u5230\u6839\u6865\u7684\u8def\u5f84\u6210\u672c\u6700\u5c0f\u7684\u8def\u5f84,\u6216\u8005\u53d1\u9001\u65b9\u7684\u7f51\u6865ID\u6700\u5927\u7684\u4f5c\u4e3a\u6307\u5b9a\u7aef\u53e3.
\n4.\u9009\u62e9\u963b\u585e\u7aef\u53e3:\u81f3\u6b64,\u5c31\u4f1a\u6839\u636eSTP\u7b97\u6cd5,\u4ece\u591a\u4e2a\u94fe\u8def\u4e2d\u9009\u62e9\u6027\u7684\u963b\u585e\u6389\u4e00\u4e9b\u7aef\u53e3\u7684\u6570\u636e\u901a\u4fe1.<\/p>\n
\n2.\u8f6c\u53d1(Forwarding):\u7aef\u53e3\u80fd\u591f\u63a5\u6536\u5e76\u8f6c\u53d1\u6570\u636e,\u4e5f\u80fd\u591f\u5b66\u4e60MAC\u5730\u5740,\u5e76\u6dfb\u52a0\u5230MAC\u5730\u5740\u8868\u4e2d.
\n3.\u4fa6\u542c(Listening):\u8be5\u72b6\u6001\u662f\u4ece\u963b\u585e\u5230\u8f6c\u53d1\u72b6\u6001\u8fc7\u7a0b\u4e2d\u7684\u4e34\u65f6\u72b6\u6001,\u8be5\u72b6\u6001\u53ea\u80fd\u53d1\u9001\u548c\u63a5\u53d7BPDU\u6570\u636e.
\n4.\u5b66\u4e60(Learning):\u8be5\u72b6\u6001\u662f\u4ece\u963b\u585e\u5230\u8f6c\u53d1\u72b6\u6001\u8fc7\u7a0b\u4e2d\u7684\u4e34\u65f6\u72b6\u6001,\u8be5\u72b6\u6001\u4e0d\u80fd\u591f\u53d1\u9001\u6216\u63a5\u6536\u6570\u636e.
\n5.\u5173\u95ed(Disable):\u8be5\u72b6\u6001\u7aef\u53e3\u53ea\u63d0\u4f9b\u7f51\u7edc\u7ba1\u7406\u670d\u52a1,\u4e0d\u80fd\u63a5\u53d7\u53d1\u9001\u4efb\u4f55\u6570\u636e,\u4e5f\u5c31\u662f\u505c\u6b62\u670d\u52a1\u7684\u72b6\u6001.<\/p>\n\u25c6RSTP \u5feb\u901f\u751f\u6210\u6811\u25c6<\/h3>\n
\n2.\u5b66\u4e60(Learning):\u62d3\u6251\u6709\u6240\u53d8\u52a8\u60c5\u51b5\u4e0b,\u7aef\u53e3\u5904\u4e8e\u5b66\u4e60\u72b6\u6001\u5e76\u5b66\u4e60MAC\u5730\u5740,\u5c06\u5176\u6dfb\u52a0\u5230MAC\u5730\u5740\u8868.
\n3.\u8f6c\u53d1(Forwarding):\u5728\u7f51\u7edc\u62d3\u6251\u7a33\u5b9a\u540e,\u7aef\u53e3\u5904\u4e8e\u8f6c\u53d1\u72b6\u6001,\u5e76\u5f00\u59cb\u8f6c\u53d1\u6570\u636e\u5305.<\/p>\n\u751f\u6210\u6811\u7684\u914d\u7f6e<\/h2>\n
![\"Diagram\n\nDescription](\"https:\/\/www.xh86.me\/wp-content\/uploads\/2021\/10\/diagram-description-automatically-generated-11.jpeg\")
<\/p>\n\u914d\u7f6e\u7aef\u53e3\u805a\u5408<\/h2>\n
\n2.\u805a\u5408\u7684\u7aef\u53e3\u5fc5\u987b\u5c5e\u4e8e\u540c\u4e00\u4e2aVLAN,\u4e5f\u5c31\u662f\u4e0d\u8bb8\u518d\u4e00\u4e2a\u865a\u62df\u5c40\u57df\u7f51\u4e2d.
\n3.\u805a\u5408\u7684\u7aef\u53e3\u7c7b\u578b\u5fc5\u987b\u76f8\u540c,\u4e8c\u5c42\u7aef\u53e3\u53ea\u80fd\u4e8c\u5c42\u805a\u5408,\u4e09\u5c42\u7aef\u53e3\u53ea\u80fd\u4e09\u5c42\u805a\u5408.<\/p>\n![\"Shape,](\"https:\/\/www.xh86.me\/wp-content\/uploads\/2021\/10\/shape-rectangle-description-automatically-genera.jpeg\")
<\/p>\n\u914d\u7f6e\u7aef\u53e3\u5b89\u5168<\/h2>\n
\n\u25cf \u9759\u6001\u7ed1\u5b9a:\u52a8\u6001\u7ed1\u5b9a\u65f6,\u4e00\u65e6\u4ea4\u6362\u673a\u91cd\u542f,\u9996\u5148\u63a5\u5165\u4ea4\u6362\u673a\u7684\u8bbe\u5907\u53ef\u7528\u4f1a\u53d1\u751f\u53d8\u5316,\u4e3a\u4fdd\u8bc1\u5b89\u5168\u6027,\u53ef\u4ee5\u6839\u636eMAC\u5730\u5740\u6216IP\u5730\u5740\u6307\u5b9a\u53ef\u63a5\u5165\u7f51\u7edc\u7684\u8bbe\u5907.<\/p>\n![\"Diagram\n\nDescription](\"https:\/\/www.xh86.me\/wp-content\/uploads\/2021\/10\/diagram-description-automatically-generated-12.jpeg\")
<\/p>\n