将端口配置为Edge Port(通常与PortFast结合使用): plaintext Switch(config-if)# spanning-tree portfast edge 监控和故障排除: 使用show spanning-tree命令查看STP的状态和配置。 使用show spanning-tree interface <interface-name> detail命令查看特定端口的STP详细信息。 如果端口被BPDU Guard置于err-disable...
1、An alternate port (替代端口)receives more useful BPDUs from another bridge and is a port blocked. This is shown in this diagram: 2、A backup port (备份端口)receives more useful BPDUs from the same bridge it is on and is a port blocked. This is shown in this diagram: 汇总:替代端...
portfast只能用在接入层,也就是说交换机的端口是接HOST的才能起用portfast,如果是接交换机的就一定不能启用,否则会造成新的环路. 起用portfast往往是因为一些应用的要求,cisco是建议将符合条件的port设置成portfast的. PS: 将SWITCH的端口设置为spanning-tree portfast后,如果这个端口接到其他SWITCH或者HUB上就可能造成环...
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mst Multiple spanning tree mode pvst Per-Vlan spanning tree mode rapid-pvst Per-Vlan rapid spanning tree mode 生成树: Port ID : 端口优先级(默认128)+端口ID BID: 优先级+MAC地址(MAC不改变) 1、SW2成为VLNA1的主根,VLAN10的备份,SW1成为VLAN10的主,VLAN1的备份 ...
Spanning tree enabled protocol ieee Root ID Priority 20 Address 5000.0002.0000 Cost 100 Port 2 (Ethernet0/1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32788 (priority 32768 sys-id-ext 20) Address aabb.cc00.4000 ...
My question was how would port fast affect the uplink between the swithches if it is an access port (with only 1 vlan)? And I like to take it even further, would it make a difference if you had rapid-pvst or pvst spanning-tree configured? . LikeReply Ing_Percy Edited by Admin ...
My question was how would port fast affect the uplink between the swithches if it is an access port (with only 1 vlan)? And I like to take it even further, would it make a difference if you had rapid-pvst or pvst spanning-tree configured? . LikeReply Ing_Percy Edited by Admin ...
The following network calculations in Spanning Tree Network Example assume that each path has the same cost: Switch B is the root bridge its bridge ID is lowest because it has the smallest port priority. Switch A is the designated bridge for VLAN 11. Switch B is the designated bridge for ...
stp edged-port Configure the ports as spanning tree edge ports. N/A quit quit Return to system view. N/A Configuring Device D Procedure summary 1. Configuring the interconnect links between the M-LAG member devices and Device D 2. ...