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Cisco® BGP-4 Command and Configuration Handbook (CCIE Professional Development) by William R. Parkhurst Ph.D.

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3-5. bgp client-to-client reflection

Syntax Description:

This command has no arguments.

Purpose: When a router is configured as a route reflector, client-to-client reflection is enabled by default. If the route reflector's clients are fully meshed, client-to-client reflection can be disabled on the route reflector using the no form of the command.

Cisco IOS Software Release: 11.1

Configuration Example: Route Reflectors and Peer Groups

An obvious question is why use a route reflector if the clients have a full IBGP mesh? If client-to-client reflection is enabled, the clients cannot be part of a peer group. Figure 3-5 demonstrates a situation in which we want to scale the IBGP connections using route reflectors, but we also want Routers A, B, and ...

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