When do we use IBGP along with EBGP in BGP

From: Akber Ali Mirza (akberali.cisco@gmail.com)
Date: Wed Mar 25 2009 - 07:02:28 ART

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Hi GS,

I was going through couple of BGP practicals and could not able to
understand when exactly we need to configure IBGP for LAN routing purpose
along with BGP on WAN side.

What are the scenarios when we need to use EBGP in WAN and other routing
protocols ( Eigrp/OSPF ..etc) in LAN routing

why we need IBGP when we are using BGP?Can't we use some other IGP protocols
to communciate internally?

Any help is highly appreciated .

Thanks and Regards,
Akber Mirza.

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