From: Scott Morris (swm@emanon.com)
Date: Sat Feb 25 2006 - 16:14:51 GMT-3
Glad I could be of assistance! ;)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Umar
Abanifi
Sent: Saturday, February 25, 2006 11:10 AM
To: blodwick
Cc: ccielab@groupstudy.com
Subject: Re: BGP Route reflector and Confederation
Thanks guys, your input and direction coupled with background reading while
waiting for your responds been brilliant, what a different tech tip and Sat
afternoon reading makes.
SM - good to hear from you, another user of your audio delivery.
Umar
On 2/25/06, blodwick <blodwick@columbus.rr.com> wrote:
>
> I read a lot of good postings to the list, but don't submit very often
> so I'll add my 2 cents here.
>
> I would say as a good rule of thumb in the CCIE lab - if you have a
> situation where your iBGP speakers are not fully meshed use route
> reflection if you can, and confederation if you have to. The reason I
> say this is because it is more complex to configure and test a
> confederation. If the right answer is a confederation you will likely
> be steered in that direction by the way the question is worded.
>
> In the real world I would say you would probably opt for route
> reflection until your network scaled so large that it required the
> segmentation you achieve with a confederation. Once your IGP domain
> gets large enough where you are reaching its scaling capabilities you
> might opt to create a confederation. The advantage would be that you
> could split up the extremely large single IGP domain into smaller
> domains and just create these internal yet eBGP acting peering points
> between those smaller domains. Usually you'd only see this in an ISP
> environment or an extremely large enterprise environment. I would say
> this is the traditional use for confederations. I'm sure there are
> several other interesting scenarios where a confederation would be the
right choice.
>
> Brian L.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of Umar Abanifi
> Sent: Saturday, February 25, 2006 7:22 AM
> To: ccielab@groupstudy.com
> Subject: BGP Route reflector and Confederation
>
> Hi Group,
>
> First time asking question to the group but been follower for some
> time, impressed by wealth of technical expertise on this group, can
> only say keep the momentum going.
> Just wondering if all you kind people could ease my pain and explain
> when best to use BGP route reflection and confederation.
> Understand RR and Confed is used to reduce the number of IBGP peering
> but how many number of peers would be present to consider either?
> Have come across a scenarior where i stood still wondering which one
> do i use here, your explanation will be highly appreciated.
>
> Umar
>
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