Re: Transiting Non-BGP Speaking Devices

From: Ivan (ivan@resalehost.networksolutions.com)
Date: Tue Jul 25 2006 - 07:01:55 ART


Why you don't want to setup 3 sessions per router R1, R2, R4, R5 ?

> Hi Guys, I know this is a very newbie question, but it keeps spinning in my
> head.
>
> Ok this is the dilemma
>
> R1 --- R3 ---- R2
>
> R1-R2-R3 runs any IGP.
>
> R1 and R2 are running BGP in AS 12 and they peer via each other Loopback
> Address (/32 BTW).
>
> So, I need to solve the Non-BGP Transitive Device Problem, I know that I
> can use tunnels or maybe redistribute BGP routes at R2 and R1.
>
> But the question is more difficult (for me at least); say that I add
> another 2 BGP Devices connected to R3
>
> R5
> .
> .
> R1 ------ R3 ------ R2
> .
> .
> R4
>
> I need to create a full mesh BGP Session between R1; R2; R5; R4 using their
> loopbacks Address (/32 BTW).
>
> So creating tunnels here is out of the game, because you can not add extra
> Ip addressing.
>
> Now redistributing the BGP Routes to the current IGP, would NOT help me if
> I need to create some AS Policies. - Like Local Preference.
>
> Maybe MPLS would solve the problem (do not know how to configure, and I
> think that would be out of the scope of the CCIE Lab for now)
>
> Any recommendations for this particular problem?
>
> Thanks
> Victor.-
>
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-- 
Ivan


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