On the router:
ip dhcp pool lab
network 192.168.1.0 255.255.255.0
default-router 192.168.1.1
dns-server 192.168.1.5 (if you have a dns server)
domain-name something.local (if its on a domain)
!
ip dhcp pool voice
network 192.168.2.0 255.255.255.0
option 150 ip 192.168.1.10
default-router 192.168.2.1
dns-server 192.168.1.5
domain-name voice.lab.local
interface GigabitEthernet0/0
ip address 192.168.2.1 255.255.255.0
ip helper-address 192.168.1.1 (this address is called the Relay Agent, its the ip address of the dhcp server, in this case the router itself)
duplex auto
speed auto
!
interface GigabitEthernet0/1
ip address 192.168.1.1 255.255.255.0
duplex auto
speed auto
On the Switch:
Interface Fa1/0/1 (you have to put this configuration on ever port of the switch that connects to the IP Phone that has a pc attached to it)
switchport mode trunk
Switchport trunk encapsulation dot1q
Switchport voice vlan 11
Switchport trunk native vlan 12
Interface Fa1/0/13 (this is the port on the switch that connects to the Gi0/1 on the Router – Data Vlan)
Switchport access vlan 12
Interface Fa1/0/24
Switchport access vlan 11 (this is the port on the switch that connects to the Gi0/0 on the Router – Voice Vlan)
** ip phones should register and do check the operational vlan in the settings on the phone, the phones should be on the subnet 192.168.2.x and the pc on 192.168.1.x
Please rate if helpful.
