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Route reflctor client

Dear NetPro!

IN wich cases/setup We design the BGP Route reflctor client?

10XS FOR UR VALUABLE INFO

3 REPLIES
Hall of Fame Super Blue

Re: Route reflctor client

Hi Ali

It is one of the rules of BGP that a route learned from an IBGP peer cannot be propogated to another IBGP peer. So if you want all your IBGP routers within your AS to know about all routes you need to set up IBGP sessions between every IBGP router. If you have a lot if IBGP routers in your AS this soon becomes an awful lot of sessions.

So what you can do is make one of the routers a router reflector. You then make your other IBGP routers route reflector clients of that route reflector. Each IBGP speaking router now only needs to create a session with the router reflector. The route reflector is allowed to send routes learnt from one client to another client.

HTH

Jon

Cisco Employee

Re: Route reflctor client

Ali,

BGP route reflection is generally used to alleviate the need for a full mesh of BGP sessions between your BGP running routers.

Confederation is also another approach to solve the same issue but in an completely different way.

Hope this helps,

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México 
Paseo de la Reforma 222 Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
New Member

Re: Route reflctor client

Hi Freinds!

10xs for all ur replys..

Ali

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