March 2009
Beginner to intermediate
144 pages
3h 13m
English
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BGP Preparations
To run BGP, you must have the following:
A router with at least 512MB of RAM
Two ISPs, both willing to provide you with a BGP feed
An IOS version that supports BGP version 4
A block of IP addresses /24 or larger—several smaller chunks that add up to a /24 are useless for BGP
An Autonomous System Number
A routing registry entry for your network block
We'll look at each in turn.
Router Features
Let's dispose of the easy requirement first. Your router must have an IOS image that supports BGP. If your IOS doesn't support BGP, use your SmartNet contract to get a version that does.
Memory is a little more problematic. Each route announcement from a peer takes up a little bit of memory. When you are receiving full routes from two peers, your routing ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.