将S1和S2的G0/0/9接口加入VLAN 3。
[S2]interface GigabitEthernet 0/0/9
[S2-GigabitEthernet0/0/9]port link-type access
[S2-GigabitEthernet0/0/9]port default vlan 3
[S1]interface GigabitEthernet 0/0/9
[S1-GigabitEthernet0/0/9]port link-type access
[S1-GigabitEthernet0/0/9]port default vlan 3
将S1的G0/0/4接口模式改为Trunk模式,并允许VLAN2和VLAN3通过。
[S1]interface GigabitEthernet 0/0/4
[S1-GigabitEthernet0/0/4]port default vlan 1
[S1-GigabitEthernet0/0/4]port link-type trunk
[S1-GigabitEthernet0/0/4]port trunk allow-pass vlan 2 3
在R4上为G0/0/1接口创建两个子接口。同时子接口上配置IP地址,并封装相应vid。
[R4]inter GigabitEthernet 0/0/1.2
[R4-GigabitEthernet0/0/1.2]dot1q termination vid 2
[R4-GigabitEthernet0/0/1.2]arp broadcast enable
[R4-GigabitEthernet0/0/1.2]ip address 10.0.20.1 24
[R4-GigabitEthernet0/0/1.2]interface GigabitEthernet 0/0/1.3
[R4-GigabitEthernet0/0/1.3]dot1q termination vid 3
[R4-GigabitEthernet0/0/1.3]arp broadcast enable
[R4-GigabitEthernet0/0/1.3]ip address 10.0.30.1 24
使用display ip interface brief命令查看R4上子接口配置信息。
更改R1和R2的IP地址和网关。
[R1]interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1]ip address 10.0.20.2 24
[R1-GigabitEthernet0/0/1]quit
[R1]undo ip route-static 0.0.0.0 0 10.0.2.1
[R1]ip route-static 0.0.0.0 0 10.0.20.1
[R2]interface GigabitEthernet 0/0/2
[R2-GigabitEthernet0/0/2]ip address 10.0.30.2 24
[R2-GigabitEthernet0/0/2]quit
[R2]undo ip route-static 0.0.0.0 0 10.0.3.1
[R2]ip route-static 0.0.0.0 0 10.0.30.1