生成树与eth-trunk
聚合端口在生成树中会以为一个聚合端口来显示在它在一棵树的端口角色！
LSW1配置
<Huawei>dis cu
sysname Huawei
vlan batch 2 to 3
stp instance 1 root primary stp instance 2 root secondary
stp region-configuration region-name 1 instance 1 vlan 2 to 3 active region-configuration
interface Eth-Trunk1
interface Eth-Trunk2
interface Ethernet0/0/1 eth-trunk 1
interface Ethernet0/0/2 eth-trunk 1
interface Ethernet0/0/3 eth-trunk 2
interface Ethernet0/0/4 eth-trunk 2
LSW2的配置
<Huawei>dis cu
sysname Huawei
vlan batch 2 to 3
stp instance 1 root secondary stp instance 2 root primary
stp region-configuration region-name 1 instance 1 vlan 2 to 3 active region-configuration
interface Eth-Trunk1
interface Eth-Trunk2
interface Ethernet0/0/1 eth-trunk 1
interface Ethernet0/0/2 eth-trunk 1
interface Ethernet0/0/3 eth-trunk 2
interface Ethernet0/0/4 eth-trunk 2
LSW1:
<Huawei>dis stp brief MSTID Port Role STP State Protection 0 Eth-Trunk1 DESI FORWARDING NONE 0 Eth-Trunk2 DESI FORWARDING NONE <Huawei>
LSW2: <Huawei>DIS STP B MSTID Port Role STP State Protection 0 Eth-Trunk1 ROOT FORWARDING NONE 0 Eth-Trunk2 ALTE DISCARDING NONE <Huawei>
