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在运行了STP或者RSTP的交换机上,捆绑了以太链路的时候,交换机将这个逻辑的端口置于正常的防环机制里。
下面在两台3550交换机上用四个端口做两个以太捆绑,然后show span来看看结果。
Int fa0/1
Swi mod acc
Channel-g 1 mod on
No sh
Int fa0/2
Swi mod acc
Channel-g 1 mod on
Int g0/1
Swi mod tr
Channel-g 2 mod on
No sh
Int g0/2
Swi mod tr
Channel-g 2 mod on
No sh
Exi
SW-2#sh span
VLAN0001
Spanning tree enabled protocol ieee
Root IDPriority 32769
Address 0003.E492.B849
Cost 19
Port 27(Port-channel 2)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority32769 (priority 32768 sys-id-ext 1)
Address 0090.0C18.2674
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 20
InterfaceRole Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Po2 Root FWD 19 128.27 Shr
Po1 Altn BLK 19 128.28 Shr
注意链路类型是share
转载于:https://blog.51cto.com/edges/313158