CONFIGURING DHCP ON ROUTER

Router>enable

Router#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Router(config)#ip dhcp pool Test

Router(dhcp-config)#network 20.0.0.0 255.0.0.0

Router(dhcp-config)#default-router 20.0.0.1

Router(dhcp-config)#dns-server 192.168.40.73

Router(dhcp-config)#exit

Router(config)#ip dhcp excluded-address 20.0.0.1

Router(config)#ip dhcp excluded-address 192.168.40.73

Now we have to check the dhcp client

first click on any client PC, you will get following screen

Now click on the ip configuration tab, you will get two options static and dhcp

select dhcp option and you are done.

to verify in router do follpwing

Router#sh ip dhcp binding

IP address       Client-ID/              Lease expiration        Type

                 Hardware address

20.0.0.4         000B.BE90.794B           --                     Automatic