1、修改Brigde ID,重新选劐聂赞陶根网桥。Switch>enSwitch#conf tSwitch(config)#spanning-tree vlan 1 priority 4096修改Brigde ID,重新选根网桥。Switch(config)#do show spanning-tree

3、switch#show spanning-tree active

5、switch#show spanning-tree interface interface-id

7、STP与VLAN负载均衡配置:switch(config-if)switchport trunk allowed vlan vlanid

