Step 4: Vlan Routing  

Router(config)#int f0/0.3

Router(config-subif)#

%LINK-5-CHANGED: Interface FastEthernet0/0.3, changed state to up

Router(config-subif)#en

Router(config-subif)#encapsulation dot

Router(config-subif)#encapsulation dot1Q 3

Router(config-subif)#ip add 192.168.1.1 255.255.255.192

Router(config-subif)#exit

---------

Router(config)#int f0/0.2

Router(config-subif)#

%LINK-5-CHANGED: Interface FastEthernet0/0.2, changed state to up

Router(config-subif)#en

Router(config-subif)#encapsulation dot

Router(config-subif)#encapsulation dot1Q 2

Router(config-subif)#ip add 192.168.1.129 255.255.255.192

Router(config-subif)#exit

----------

Router(config)#int f0/0.5

Router(config-subif)#

%LINK-5-CHANGED: Interface FastEthernet0/0.5, changed state to up

Router(config-subif)#en

Router(config-subif)#encapsulation d

Router(config-subif)#encapsulation dot1Q 5

Router(config-subif)#ip add 192.168.1.65 255.255.255.192

Router(config-subif)#exit

Router(config)#do wr

Building configuration...

[OK]

-----------

Router(config)#int f0/0.5

Router(config-subif)#

%LINK-5-CHANGED: Interface FastEthernet0/0.5, changed state to up

Router(config-subif)#en

Router(config-subif)#encapsulation d

Router(config-subif)#encapsulation dot1Q 5

Router(config-subif)#ip add 192.168.1.65 255.255.255.192

Router(config-subif)#exit

Router(config)#do wr

Building configuration...

[OK]

Step 5: Verification commands

Router>enable

Router# show run

interface FastEthernet0/0

 no ip address

 duplex auto

 speed auto

!

interface FastEthernet0/0.2

 encapsulation dot1Q 2

 ip address 192.168.1.129 255.255.255.192

!

interface FastEthernet0/0.3

 encapsulation dot1Q 3

 ip address 192.168.1.1 255.255.255.192

!

interface FastEthernet0/0.5

 encapsulation dot1Q 5

 ip address 192.168.1.65 255.255.255.192

!

Note: in switch (1) where router is connected via fa0/20

1#conf t

1(config)#int  f0/20

1(config-if)#switchport access mode

1(config-if)#switchport mode trunk