Use the following commands to configure DHCP:
| Command | Description |
|---|---|
ip address dhcp |
Acquires an IP address on an interface via DHCP |
ip dhcp pool <pool-name> |
Configures a DHCP address pool on a DHCP server and enters DHCP Pool Configuration mode |
domain-name <domain> |
Specifies the domain name for a DHCP client |
network network-number [mask] |
Configures the network number and mask for a DHCP address pool primary or secondary subnet on a Cisco IOS DHCP server |
ip dhcp excluded-address ip-address [last-ip-address] |
Specifies IP addresses that a DHCP server should not assign to DHCP clients |
ip helper-address address |
Enables forwarding of UDP broadcasts, including BOOTP, received on an interface |
default-router address [address2 ... address8] |
Specifies the default gateway for a DHCP client |
The example below shows a basic DHCP configuration on a Cisco router:
NorthOfficeRoutertconfig &
Enter configuration commands, one per line. End with CNTL/Z.
NorthOfficeRouter(config)#ip dhcp pool Employees
NorthOfficeRouter (dhep-config) ¢network 192.168.10.0 255.285.285.0
NorthOfficeRouter (dhcp-config)# default-router 1592.1€8.10.254
NorthOfficeRouter (dhep-config) #dns-server 192.1€8.1.100
NorthO££iceRouter (dhep-config) 4