说明: cisco设备和其他厂商设备连接,端口被blocking,端口状态是BKN yhsb_dx#show spanning-tree vlan 3 VLAN0003 Spanning tree enabled protocol ieee Root ID Priority 32768 Address 0008.a324.4902 Cost 4 Port 700 (Port-channel60) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
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