ccna单臂路由

  vlan的应用是很广的,但不同的vlan之间要实现通信的话,是不可以的.所以要借助三层设备进行路由,这相不同vlan之间的主机才可以进行通信.

 

 

下面把和个配置贴上来看看.

 

R0:

Router#sh running-config
Building configuration...

Current configuration : 415 bytes
!
version 12.2
no service password-encryption
!
hostname Router
!
!
!
!
!
ip ssh version 1
!
!
interface FastEthernet0/0
 no ip address
 duplex auto
 speed auto
!
interface FastEthernet0/0.1
 encapsulation dot1Q 1 native
 ip address 192.168.1.1 255.255.255.0
!
interface FastEthernet0/0.2
 encapsulation dot1Q 2
 ip address 192.168.2.1 255.255.255.0
!
ip classless
!
!
!
!
!
line con 0
line vty 0 4
 login
!
!
end

 

SW0:

Switch#sh run
Building configuration...

Current configuration : 993 bytes
!
version 12.1
no service password-encryption
!
hostname Switch
!
!
!
interface FastEthernet0/1
 switchport trunk allowed vlan 2
!
interface FastEthernet0/2
 switchport mode access
!
interface FastEthernet0/3
 switchport access vlan 2
 switchport mode access
!
interface FastEthernet0/4
 switchport mode trunk
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface Vlan1
 no ip address
 shutdown
!
line con 0
!
line vty 0 4
 login
line vty 5 15
 login
!
!
end

  SW1:

 

Switch#SH RUN
Switch#SH RUNning-config
Building configuration...

Current configuration : 936 bytes
!
version 12.1
no service password-encryption
!
hostname Switch
!
!
!
interface FastEthernet0/1
 switchport mode trunk
!
interface FastEthernet0/2
 switchport access vlan 2
 switchport mode access
!
interface FastEthernet0/3
!
interface FastEthernet0/4
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface Vlan1
 no ip address
 shutdown
!
line con 0
!
line vty 0 4
 login
line vty 5 15
 login
!
!
end