Currently viewing the category: "Cisco-frame-relay"

Cisco: Frame-Relay back-to-back routers in simple steps

By On February 22, 2010 · 2 Comments

In one of my earlier posts I have presented how to connect 3 routers in a Hub and Spoke Frame-Relay topology. Now I want to show you how to connect 2 routers back to back, in a Frame Relay topology. With a back to back connection and without any FR switch, things are a little bit different than in the Hub and Spooke topology.

First let’s have a look to the topology:


We have [...]

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Cisco: How to configure Frame-Relay Hub and Spoke in simple steps

By On February 12, 2009 · 7 Comments

Some days ago, during my preparation for CCIE RS I had to configure Frame-Relay Hub and Spoke environment. Since I already did it, I said that is good to have it here also, maybe somebody will find it useful. Even if it sounds quite complicate as title, FR hub and spoke. This post assume that you are somehow familiar with Frame-Relay concept and you know basic stuff. If you need to refresh your knowledge there is good topic about Frame-Relay on

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Frame-Relay: PVC test with ping to own interface

By On November 13, 2008 · 3 Comments

Let’s say that you have a link configured with Frame-Relay and from time to time you observe that the link is having some strange problems. Since you cannot be sure that the link is provided 100% error free you want to do your own tests. You want to see if the Frame-Relay between R0 and R1 is correctly configured. In order to verify this you want to set up the R0 to test the PVC to R1, by sending traffic to its own IP address.

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