[c-nsp] iBGP questions

Shishir Belbase sbelbase at ibasis.net
Sun Mar 19 17:53:32 EST 2006


General thumb of rule is to run a full iBGP mesh among your routers that are
connected to ISP(s) and have multi-exist points to/from your network.

Shishir

>-----Original Message-----
>From: Kanagaraj Krishna [mailto:kanagaraj at aims.com.my]
>Sent: Sunday, March 19, 2006 11:57 AM
>To: cisco-nsp at puck.nether.net
>Subject: Re: [c-nsp] iBGP questions
>
>Hi,
>   I have a few questions on iBGP setup:
>
>- Our current network is multihomed with a few upstream providers.
>Internally
>we run a meshed iBGP session between our core network devices. In the core
>we
>have two Catalyst switches that are trunked with each other (for VLAN
>purpose). Do we need to run iBGP session between them too?
>
>- Does iBGP influence incoming traffic path etc? We have a situation where
>ping&trace to a certain destination from different devices (meshed iBGP) in
>the same network producing different results latency wise (although the
>trace
>path seems to be nearly the same). Any idea what is happening?
>
>Thanks.
>
>Regards,
>Kanagaraj Krishna
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