用路由器实现VLAN之间的访问---4
实验环境:

操作步骤
交换机设置:
Switch>enable
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#vlan 2 (创建VLAN 2)
Switch(config-vlan)#exit
Switch(config)#vlan 3 (创建VLAN 3)
Switch(config-vlan)#exit
Switch(config)#int f0/2 (进入F0/2接口)
Switch(config-if)#switchport mode access (设置为端口为访问模式:ACCESS)
Switch(config-if)#switchport access vlan 2 (并加入到VLAN2中)
Switch(config-if)#exit
Switch(config)#int f0/3 (进入F0/3接口)
Switch(config-if)#switchport mode access (设置为端口为访问模式:ACCESS)
Switch(config-if)#switchport access vlan 3 (并加入到VLAN3中)
Switch(config-if)#exit
Switch(config)#int f0/1 (进入F0/1接口)
Switch(config-if)#switchport mode trunk (设置为端口为访问模式:trunk)
Switch(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
路由器设置:
Router>enable
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f0/0 (进入F0/0端口)
Router(config-if)#no shutdown (启用该端口)
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#int f0/0.2 (进入F0/0.2的子接口)
%LINK-5-CHANGED: Interface FastEthernet0/0.2, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.2, changed state to up
Router(config-subif)#encapsulation dot1Q 2 (封装 802.1Q (dot1Q),2 为 VLAN_ID)
Router(config-subif)#ip address 10.1.2.254 255.255.255.0 (配置IP地址)
Router(config-subif)#end
Router#
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f0/0.3 (进入F0/0.3的子接口)
%LINK-5-CHANGED: Interface FastEthernet0/0.3, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.3, changed state to up
Router(config-subif)#encapsulation dot1Q 3 (封装 802.1Q (dot1Q),3 为 VLAN_ID)
Router(config-subif)#ip add 10.1.3.254 255.255.255.0 (配置IP地址)
Router(config-subif)#end
Router#show run (查看路由器配置状态)
Building configuration...
Current configuration : 620 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Router
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
!
interface FastEthernet0/0.2
encapsulation dot1Q 2
ip address 10.1.2.254 255.255.255.0
!
interface FastEthernet0/0.3
encapsulation dot1Q 3
ip address 10.1.3.254 255.255.255.0
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Vlan1
no ip address
设置设置相应的PC地址,测试连通性:


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