Introduction to BGP Route Maps
Introduction to BGP Route Maps
In this article, we will walk through the concept of the route maps and the configuration of the route maps in the BGP environment. All these configurations showing below will be on Cisco router.
Why we are using the BGP route maps, well route maps are used to control BGP routing information. Route maps are to define the condition by which routes are redistributed between routing domains.
⭐ Note : Route maps cannot be used to filter incoming BGP updates based on IP address. You can, however, use route maps to filter outgoing BGP updates based on IP address.
With the use of the route maps you can specified the incoming and outgoing traffic to the BGP neighbors and in the case of the BGP path selection criteria you can also used to push the configurations for weight, Local preference and other BGP attributes.
Fig 1.1- BGP Route Maps |