
1、sw1和sw2之间互为备份
[sw1] interface Eth-Trunk 0 (创建聚合接口)
[sw1-Eth-Trunk0] trunkport g0/0/1 (将物理接口划入到聚合接口中)
**[sw1-Eth-Trunk0]**trunkport g0/0/2
**[sw2]**interface Eth-Trunk 0
**[sw2-Eth-Trunk0]**trunkport g0/0/1
**[sw2-Eth-Trunk0]**trunkport g0/0/2

2、