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IP Routing on Cisco IOS, IOS XE, and IOS XR: An Essential Guide to Understanding and Implementing IP Routing Protocols by Ramiro Garza Rios, Aaron Foss, Brad Edgeworth

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Chapter 15. BGP Best Path Selection

This chapter covers the following topics:

Image BGP best path

Image BGP multipath

Image Route reflector considerations

In Border Gateway Protocol (BGP), route advertisements consist of the network layer reachability information (NLRI) and the path attributes (PAs). The NLRI consists of the network prefix and prefix length, and the BGP attributes such as AS_Path, origin, and so on are stored in the PAs. A BGP route may contain multiple ...

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