DHCP Server Redundancy using Cisco Routers!!!

In order to build resiliency in your network you absolutely have to have redundant DHCP LAN servers. You can use your Cisco routers or switches as DHCP servers to provide this capability. Here is a simple topology:

(Click on the Picture Below to Enlarge)

In the above diagram we have two core (CORE_1 and CORE_2) routers acting as a single gateway via HSRP. We have our DHCP ranges defined as follows… CORE_1 is serving IPs in the following range –> through and CORE_2 is serving IPs in the following range –> through Remember we can’t use (Network Address) and (Broadcast Address).

, ,

  1. #1 by Joseph Albergo on November 23rd, 2010

    I really like this post… I need your help finding some used equipment. Im looking for a router…

(will not be published)

  1. No trackbacks yet.