STP生成树协议的实例说明案

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

2、查看、检验STP（生成树协议）配置。Switch#show spanning-tree

3、switch#show spanning-tree active

4、switch#show spanning-tree detail

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

6、switch#show spanning-tree vlan vlanid

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

8、设置VLAN10 ，VLAN20.