DHCP Relay Configuration directory 

DHCP Relay Configuration Task list

Enable DHCP Relay service

Close DHCP Relay service

Configuring DHCP Relay parameter

DHCP Relay Configuration examples

DHCP Relay Configuration Task list

The next section explains how to use DHCP Relay to execute the following tasks:

Enable DHCP Relay service

Close DHCP Relay service

Configuring DHCP Relay parameter

 

Enable DHCP Relay service

To use DHCP Relay on router, enable DHCP Service first. Refer to "enable DHCP Server Service".

Close DHCP Relay service

To stop DHCP Relay on router, disable DHCP Service first.Refer to "disable DHCP Server Service ".

Configuring DHCP Relay parameter

Users may adjust relay target address based on their needs. The Relay function of DHCP protocol packet is controlled by forward UDP broadcast packet. Refer to forward UDP broadcast packet commands inip forward-protocol udp.

DHCP Relay Configuration examples

The following are DHCP Relay Configuration examples

The following example enables DHCP Relay service and forward DHCP-Request packet relay received from Ethernet1/1 to 10.1.1.1, and forward DHCP-Reply packets arrived to 192.168.20.1 from Ethernet1/1.

interface Ethernet1/1

 ip address 192.168.20.1 255.255.255.0

 ip help-address 10.1.1.1

!

ip dhcpd enable