September 2016
Intermediate to advanced
1152 pages
47h 48m
English
Content preview from Routing TCP/IP, Volume II: CCIE Professional Development, Second Edition
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Chapter 3. BGP and NLRI
Chapter 2, “Introduction to BGP,” showed you how to establish and maintain both EBGP and IBGP sessions. But unlike IGPs, BGP does not advertise any reachability information by default. This chapter demonstrates the techniques for configuring BGP to advertise Network Layer Reachability Information (NLRI) and demonstrates the use of a few simple routing policy tools as an introduction to the more in-depth routing policy discussion in the next chapter.
Note
NLRI is self-defining, if you think about it. Reachability Information just means some kind of information about a reachable destination. And Network Layer means the network layer of the OSI model, meaning something that can be advertised in a routing table and reached ...
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