Demo Route on a stick DHCP
Router0 DHCP Config Router on a Stick
interface GigabitEthernet0/0
no ip address
no shutdown
interface GigabitEthernet0/0.100
encapsulation dot1Q 100
ip address 192.168.1.1 255.255.255.240
interface GigabitEthernet0/0.200
encapsulation dot1Q 200
ip address 192.168.1.17 255.255.255.240
ip dhcp excluded-address 192.168.1.1 192.168.1.5
ip dhcp excluded-address 192.168.1.17 192.168.1.20
ip dhcp pool vlan100
network 192.168.1.0 255.255.255.240
default-router 192.168.1.1
dns-server 192.168.1.254
ip dhcp pool vlan200
network 192.168.1.16 255.255.255.240
default-router 192.168.1.17