DHCP InterVLAN

Router:

interface GigabitEthernet0/0

ip address 192.168.10.1 255.255.255.0

duplex auto

speed auto

!

interface GigabitEthernet0/1

no ip address

duplex auto

speed auto

!

interface GigabitEthernet0/1.1

encapsulation dot1Q 10

ip address 192.168.1.1 255.255.255.0

ip helper-address 192.168.10.2

!

interface GigabitEthernet0/1.2

encapsulation dot1Q 20

ip address 192.168.2.1 255.255.255.0

ip helper-address 192.168.10.2

!

interface GigabitEthernet0/1.3

encapsulation dot1Q 30

ip address 192.168.3.1 255.255.255.0

ip helper-address 192.168.10.2

Switch:

interface FastEthernet0/1

switchport access vlan 10

switchport mode access

!

interface FastEthernet0/2

switchport access vlan 20

switchport mode access

!

interface FastEthernet0/3

switchport access vlan 30

switchport mode access

  interface GigabitEthernet0/1

switchport trunk encapsulation dot1q

switchport mode trunk

!

Host PC set to get IP from DHCP