From: Umar Abanifi (ccieacada@gmail.com)
Date: Sat Feb 25 2006 - 13:09:41 GMT-3
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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