交换机：

Ruijie>en

Ruijie#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

Ruijie(config)#int f0/0   

Ruijie(config-FastEthernet 0/0)#switchport  mode  trunk

Ruijie(config-FastEthernet 0/0)#end

Ruijie#*Oct 24 11:42:21: %SYS-5-CONFIG_I: Configured from console by console

Ruijie#sh vlan

Ruijie#sh int f0/0 switchport 

Interface                Switchport Mode      Access Native Protected VLAN lists

------------------------ ---------- --------- ------ ------ --------- ----------

FastEthernet 0/0         enabled    TRUNK     1      1      Disabled  ALL

路由器：(实现单臂路由vlan11和vlan22间的通信，评分ruijie#sh run)

Ruijie>en

Ruijie#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

Ruijie(config)#int f0/0.11(对应vlan11)

Ruijie(config-if-FastEthernet 0/1)#no ip address

Ruijie(config-if-FastEthernet 0/1)#no shut

Ruijie(config-if-FastEthernet 0/1)#exit

Ruijie(config)#int f0/11

Ruijie(config-subif)#encapsulation dot1Q 11  

Ruijie(config-subif)#ip address 192.168.10.1 255.255.255.0

Ruijie(config-subif)#exit

Ruijie(config)#int f0/0.22（对应vlan22）

Ruijie(config-subif)#en

Ruijie(config-subif)#encapsulation dot1Q 22

Ruijie(config-subif)#ip address 192.168.20.1 255.255.255.0

Ruijie(config-subif)#end

Ruijie#sh route

Ruijie#sh ip route

二层交换机，config模式下

（评分：L2#show mointor session 4（下面session后是几就是几） 

monitor session 4 source int fa0/15 both（监控口）

  monitor session 4 destination int fa0/13（受控制口）