cisco生成树端口blocking处理

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 Bridge ID Priority 32771 (priority 32768 sys-id-ext 3) Address 0021.d8b5.c380 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 30 0 Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Gi4/39 Desg BKN*19 128.231 P2p *TYPE_Inc Po60 Root FWD 4 128.700 P2p