What Is An Ip Helper Address Feature And Why Is It Required In A Dhcp

1.	What Is An Ip Helper Address Feature And Why Is It Required In A Dhcp Environment ?
Answer» IP helper-address HELPS to implement DHCP relay AGENT in Cisco routers This is configured at the network interface of the router CONTAINING the DHCP client The IP helper-address intercepts the DHCP DISCOVER message from the client and unicasts it to the DHCP server after adding 'Option 82'. With the help of Option 82, the DHCP server identifies the client network and assigns an IP from that network.

What Is An Ip Helper Address Feature And Why Is It Required In A Dhcp Environment ?

Answer»

IP helper-address HELPS to implement DHCP relay AGENT in Cisco routers
This is configured at the network interface of the router CONTAINING the DHCP client
The IP helper-address intercepts the DHCP DISCOVER message from the client and unicasts it to the DHCP server after adding 'Option 82'.
With the help of Option 82, the DHCP server identifies the client network and assigns an IP from that network.