VLAN单臂路由

VLAN单臂路由

//VLAN单臂路由
[LSW1]vlan 10
[LSW1]vlan 20
[LSW1]dis vlan 
[LSW1]inter e0/0/1
[LSW1-Ethernet0/0/1]port link-type access
[LSW1-Ethernet0/0/1]port default vlan 10
[LSW1]inter e0/0/2
[LSW1-Ethernet0/0/2]port link-type access
[LSW1-Ethernet0/0/2]port default vlan 20
[LSW1-Ethernet0/0/10]
[LSW1-Ethernet0/0/10]port link-type trunk
[LSW1-Ethernet0/0/10]port trunk allow-pass vlan all 

[LSW2]vlan 10
[LSW2]vlan 20
[LSW2]inter e0/0/3
[LSW2-Ethernet0/0/3]port link-type access
[LSW2-Ethernet0/0/3]port default vlan 10
[LSW2]inter e0/0/4
[LSW2-Ethernet0/0/4]port link-type access 
[LSW2-Ethernet0/0/4]port default vlan 20
[LSW2-Ethernet0/0/10]
[LSW2-Ethernet0/0/10]port link-type trunk 
[LSW2-Ethernet0/0/10]port trunk allow-pass vlan all 

PC1:10.1.10.1 24 10.1.10.2
PC2:10.1.20.2 24 10.1.20.2
PC3:10.1.10.3 24 10.1.10.2
PC4:10.1.20.4 24 10.1.20.2
//此时PC1能和PC3通信，PC2能和PC4通信，但PC1和PC3不能通信。即不同的VLAN不能通信

[LSW1-Ethernet0/0/11]
[LSW1-Ethernet0/0/11]port link-type trunk
[LSW1-Ethernet0/0/11]port trunk allow-pass vlan 10 20

[AR1]inter g0/0/0.10
[AR1-GigabitEthernet0/0/0.10]dot1q termination vid 10
[AR1-GigabitEthernet0/0/0.10]ip addr 10.1.10.2 24
[AR1-GigabitEthernet0/0/0.10]arp broadcast enable
[AR1]inter g0/0/0.20
[AR1-GigabitEthernet0/0/0.20]dot1q termination vid 20 
[AR1-GigabitEthernet0/0/0.20]ip addr 10.1.20.2 24
[AR1-GigabitEthernet0/0/0.20]arp broadcast enable 
//此时PC1和PC2能通信，即不同的VLAN能够通信