# 拓扑图  # 基础配置 ## R1: ~~~ Continue with configuration dialog? [yes/no]: no Press RETURN to get started! Router>enable Router#configure terminal Router(config)#hostname R1 R1(config)#interface gigabitEthernet 0/0 R1(config-if)#no shutdown %LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up R1(config-if)#interface gigabitEthernet 0/0.10 %LINK-5-CHANGED: Interface GigabitEthernet0/0.10, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0.10, changed state to up R1(config-subif)#encapsulation dot1Q 10 R1(config-subif)#ip address 192.168.1.254 255.255.255.0 R1(config-subif)#interface gigabitEthernet 0/0.20 %LINK-5-CHANGED: Interface GigabitEthernet0/0.20, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0.20, changed state to up R1(config-subif)#encapsulation dot1Q 20 R1(config-subif)#ip address 172.16.1.254 255.255.255.0 ~~~ ## SW1: ~~~ Switch>enable //进入特权模式 Switch#configure terminal //进入全局配置模式 Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#hostname SW1 //修改主机名为 SW1 SW1(config)#vlan 10 SW1(config-vlan)#vlan 20 SW1(config-vlan)#interface fastEthernet 0/1 SW1(config-if)#switchport mode access SW1(config-if)#switchport access vlan 10 SW1(config-if)#interface fastEthernet 0/2 SW1(config-if)#switchport mode access SW1(config-if)#switchport access vlan 20 SW1(config-if)#interface fastEthernet 0/3 SW1(config-if)#switchport mode trunk %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up ~~~ # 实验测试 通过 ping 测试连通性 * PC 0 与 PC 1 之间可以通信（不同 vlan）