实验环境 PT5.2
实验图:
单臂路由_职场
 
 
 
 
先在路由器上配置子接口,我的子接口编号和VLAN号一样,并关联相应的VLAN
Router(config)#interface fa0/0.10     //创建和进入子接口
Router(config-subif)#encapsulation dot1q 10    //指定封装格式是802.1q关联VLAN 10
Router(config-subif)#ip address 192.168.10.1 255.255.255.0  //配置IP
Router(config-subif)#interface fa0/0.20
Router(config-subif)#encapsulation dot1q 20
Router(config-subif)#ip address 192.168.20.1 255.255.255.0
Router(config-subif)#interface fa0/0.30
Router(config-subif)#encapsulation dot1q 30
Router(config-subif)#ip address 192.168.30.1 255.255.255.0
Router(config-subif)#exit
Router(config)#interface fa0/0
Router(config-if)#no shutdown   //配置结束,启动接口,同时子接口也一起启动
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
%LINK-5-CHANGED: Interface FastEthernet0/0.10, changed state to up
Router(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.10, changed state to up
%LINK-5-CHANGED: Interface FastEthernet0/0.20, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.20, changed state to up
%LINK-5-CHANGED: Interface FastEthernet0/0.30, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.30, changed state to up
 
下面是交换机的配置
Switch(config)#vlan 10                             //创建VLAN
Switch(config-vlan)#name guanli           //为VLAN命名
Switch(config-vlan)#exit
Switch(config)#vlan 20
Switch(config-vlan)#name jishu
Switch(config-vlan)#exit
Switch(config)#
Switch(config)#vlan 30
Switch(config-vlan)#name caiwu
Switch(config-vlan)#exit
Switch(config)#
Switch(config)#interface range fa0/1-10         //进入接口
Switch(config-if-range)#switchport mode access     //将接口模式设为access模式
Switch(config-if-range)#switchport access vlan 10  //将接口加入VLAN
Switch(config-if-range)#interface range fa0/11-20
Switch(config-if-range)#switchport mode access
Switch(config-if-range)#switchport access vlan 20
Switch(config-if-range)#interface range fa0/21-24
Switch(config-if-range)#switchport mode access
Switch(config-if-range)#switchport access vlan 30
Switch(config-if-range)#exit
Switch(config)#interface fa0/1  
Switch(config-if)#switchport mode trunk    //将先前fa0/1端口改为trunk模式
 
由于子接口是逻辑接口,路由器还是把他们作为物理接口,所以这些VLAN都是直连的,不需要路由就可以通信。
 
单臂路由_职场_02