Dhcp 2

 address 25.0.0.5 client-id "Fa1/0/5" ascii

ip dhcp use subscriber-id client-id

ip dhcp subscriber-id interface-name

IP dhcp pool VLAN2

network 25.0.0.0 255.255.255.0

address 25.0.0.1 client-id "Fa1/0/0" ascii

address 25.0.0.2 client-id "Fa1/0/1" ascii

interface FastEthernet 1/0/1

switchport access vlan 2

switchport mode access

ip dhcp server use subscriber-id client-id

spanning-tree portfast