DHCP Relay Agent

It is a protocol responsible for listening to the client request for assigning an IP to the clients dynamically on behalf of DHCP server from the other network

Implementing DHCP relay agent:
On router
Open RRAS
Expand IP routing
Right click on general
New routing protocol
Select DHCP relay agent
Ok – add public interface
General new interface
Select public

Configuring public network

Move on to public network
Go to TCP/IP properties
Check ‘obtain IP automatically’