Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Manual de usuario descargar pdf (Pagina 139)

308628-15.0 Rev 00

6-1

Chapter 6

Configuring a Route Reflector

To avoid the resource cost of a full-mesh topology to support IBGP speakers

within a large AS, you can configure a router to function as an IBGP route

reflector (RR). An IBGP speaker that needs to communicate with other BGP

speakers in the AS establishes a single peer-to-peer RR client session with the

IBGP route reflector.

A route reflector does the following:

• Receives route advertisements from RR clients and other reflectors

• Forwards best-route advertisements to RR clients and other reflectors

You configure an IBGP speaker to be a route reflector or RR client and establish

peer-to-peer connections between reflectors and clients as described in the

following topics:

Topic Page

Configuring a Single Route Reflector in an AS 6-3

Configuring a Route Reflector Cluster 6-5

Configuring Multiple RR Clusters in an AS 6-7

Configuring an RR Client 6-10

Note:

When you configure a session between two IBGP route reflectors or

between an RR and an RR client, you must configure both ends of the session.

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Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Manual de usuario Pagina 139