R1#sh run | b dhcp
ip dhcp excluded-address 180.40.7.129 180.40.7.144
!
ip dhcp pool yomomma
   network 180.40.7.128 255.255.255.224
   default-router 180.40.7.132
   domain-name ccie.com
   dns-server 208.28.1.82
   option 150 ip 20.20.20.20
!
R3#sh run | b dhcp
ip dhcp excluded-address 180.40.7.129 180.40.7.132
!
ip dhcp pool yomomma
   network 180.40.7.128 255.255.255.224
   default-router 180.40.7.132
   domain-name ccie.com
   dns-server 208.28.1.82
   option 150 ip 20.20.20.20