BGP Base Topology

January 19th, 2009

The following topology is what I’m going to be using for some future BGP entries in the future.  The topology is pretty basic, however allows for the demonstration of several different Cisco IOS BGP features.

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RIP Intricacies

January 13th, 2009

In studying for my CCIE R&S lab, I’ve decided to read through each and every configuration guide that applies to the R&S lab. To start the studying off, I decided to tackle a really easy subject: RIP. Yes, the age-old Router Information Protocol. RIP is practically older than half of the IT community, yet it’s still around (mainly for legacy support — or at least it should only be used for legacy support).

This article is about a few questions that my brain generated while reading the Cisco IOS 12.4 RIP Configuration Guide (

BTW, if you’re not familiar with RIP, you might want to start with reading the actual RFC (RFC 1058) and reading the Cisco Configuration Guide (see the link above). There are a lot of great books out there that cover RIP as well. Suffice it to say, this article isn’t an intro to RIP, but rather focuses on some little known (at least to me, prior to this) intricacies of the protocol.
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