R3#sh run | b dhcp
ip dhcp excluded-address 180.40.7.129
ip dhcp excluded-address 180.40.7.131 180.40.7.134
!
ip dhcp pool Prob13
   network 180.40.7.128 255.255.255.224
   default-router 180.40.7.132 180.40.7.133
   dns-server 208.28.1.82
   domain-name ccie.com
   option 150 ip 20.20.20.20
!
ip dhcp pool ForR4
   host 180.40.7.130 255.255.255.224
   client-identifier 0100.3085.f36f.40
!