交換機：
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：(實現單臂路由vlan11和vlan22間的通信，評分ruijie#sh run)
Ruijie>en
Ruijie#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Ruijie(config)#int f0/0.11(對應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（對應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
二層交換機，config模式下
（評分：L2#show mointor session 4（下面session後是幾就是幾）
monitor session 4 source int fa0/15 both（監控口）
monitor session 4 destination int fa0/13（受控制口）