May 2002
Intermediate to advanced
912 pages
22h 26m
English
Content preview from Troubleshooting IP Routing ProtocolsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 14. Understanding Border Gateway Protocol Version 4 (BGP-4)
This chapter covers the following key topics about Border Gateway Protocol version 4 (BGP-4):
• BGP-4 protocol specification and functionality
• Scaling IBGP networks (route reflectors and confederations)
An autonomous system (AS) is a set of devices under common administration. Between two or more autonomous systems, the Border Gateway Protocol advertises network reachability information. The Internet backbone relies solely on BGP to announce and receive IP prefixes, and the only routing protocol that runs between two autonomous systems is BGP.
Before BGP, ...
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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.
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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.