Routes received from RR-clients and selected as "best" routes are advertised to all internal and external BGP peers. The route reflector scheme allows such conventional BGP speakers to coexist.A RR non-client advertising a prefix is advertised to all EBGP peers and IBGP RR-clients.Routes originated by the router and routes received from EBGP neighbors and selected as "best" routes are advertised to all internal and external BGP peers.An IBGP prefix received from an RR-client is advertised to all peers including the RR-client that advertised the prefix.Route reflectors (RR) are one method to get rid of the full-mesh of IBGP peers in your network. To alleviate the problem, BGP implements two options: route reflectors. This causes scaling problems since the number of required connections develops quadratically with the number of routers involved.
ROUTER REFLECTOR FULL
In a simple arrangement, all routers participating in BGP routing, within a single AS must be configured in a full mesh: each router must be configured as peer to every other router. reflector.A flat reflector would be metal or foil covered and placed 3cm (a quarter wave) behind the antenna - again, it would screen signal from the rear.
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