Appendix C Route Map Logic

A route map is an extremely powerful and versatile tool for route filtering and attribute manipulation. In regards to BGP, route maps are used in the following commands:

aggregate-address address mask advertise-map route-map-name aggregate-address address mask as-set route-map-name aggregate-address address mask attribute-map route-map-name aggregate-address address mask route-map route-map-name aggregate-address address mask suppress-map route-map-name bgp dampening route-map route-map-name neighbor ip-address advertise-map route-map-name non-exist-map route-map-name neighbor ip-address default-originate route-map route-map-name neighbor ip-address route-map route-map-name in neighbor ip-address route-map route-map-name out neighbor ip-address unsuppress-map route-map-name redistribute protocol route-map route-map-name

These commands allow you to filter routes, manipulate BGP attributes, or both. The logic of route maps is demonstrated in Figure C-1.

Figure C-1. Scenario for Illustrating Route Map Logic

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