Chapter 11. Configuring Basic BGP Functions and Attributes

This chapter covers the following key topics:

  • Building peering sessions— Configuration examples for the first step in the routing task. This section covers basic syntax used in configuration code.

  • Route filtering and attribute manipulation— BGP route maps, filtering based on NLRI, and filtering based on AS_PATH.

  • Peer groups— Configuration examples of defining and utilizing peer groups.

  • Sources of routing updates— Dynamic and static configuration for injecting information into BGP.

  • Overlapping protocols (backdoors)— Configuration examples for changing the distance parameter to favor certain routes over others.

  • BGP attributes— Configuration examples for NEXT_HOP, AS_PATH, ...

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