DHCP Pool

Add DHCP pool config.
R3(config)#ip dhcp pool scpool
R3(dhcp-config)#origin file flash:scpool.txt
R3(dhcp-config)#default-router 142.102.66.254
R3(dhcp-config)#option 150 ip 142.100.64.12 142.100.64.11
R3(config)#service dhcp
Check DHCP configuration on SC Router.
R3#sh ip dhcp database
URL : flash:scpool.dat
Read : Nov 12 2012 06:53 PM
Written : Never
Status : Last read succeeded. Bindings have been loaded in RAM.
Delay : 0 seconds
Timeout : 300 seconds
Failures : 0
Successesdir: 1
R3#show ip dhcp binding
Bindings from all pools not associated with VRF:
IP address Client-ID/ Lease expiration Type
Hardware address/
User name
142.102.66.11/24 0100.0b46.d9XX.XX Infinite Static
142.102.66.12/24 0100.0f23.22XX.XX Infinite Static

R3#sh ip dhcp bind
Bindings from all pools not associated with VRF:
IP address Client-ID/ Lease expiration Type
Hardware address/
User name

142.102.66.11 0100.0f23.22XX.XX Infinite Automatic


Show scpool.db on the terminal and copy to notepad.
R3#more flash:scpool.db
*time* Sep 12 2012 10:14 PM
*version* 4
!IP address Type Hardware address Lease expiration VRF
142.102.66.11 id 0100.0f23.22XX.XX Infinite
142.102.66.12 id 0100.0b46.d9XX.XX Infinite
!IP address Type Hardware address Interface-name
!IP address Interface-name Lease expiration Server IP address Hardware address Vrf
*end*

Check if the IP Phones gets IP