A.Switch(config)#spanning-tree vlan 99 priority 4096B.Switch(config)#spanning-tree vlan 1 priority 4096C.Switch#spanning-tree vlan 99 priority 4096D.Switch#spanning-tree vlan 1 priority 4096
A.spanning-tree port-priority 16B.spanning-tree vlan 1 port-priority 16C.spanning-tree priority 16D.spanning-tree vlan 1 priority 16
A.参与选举根端口的本端端口的PIDB.参与选举根端口的本端端口上连交换机的BIDC.选举根端口交换机的BIDD.参与选举根端口的本端端口上连交换机端口的PID