DHCP RELAY over L2TPv3

Introduction

A DHCP relay agent allows the DHCP clients to obtain IP addresses from a DHCP server that is not configured on the same LAN.

This article provides a configuration example with details on how to set-up a DHCP relay over a L2TPv3 VPN.

Prerequisites

You will need:

• Two RUT or RUTX devices (one as Server and other as Client)
• A PC acting as a Host for testing
• Both routers must have a Public Static or Public Dynamic IP addresses

Configuration Scheme

I will paste a Topology Image here

DHCP Server Settings

DHCP Pool

Enter the router's WebUI, go to Network > Interfaces > Ethernet LAN and click the 'Edit' button on the right side of the interface to modify the DHCP Pool.