Re: No SOLUTION till DATE for this SCNERIO ???? Challenging

Can you please post all the relevant configurations to the list so we
can actually troubleshoot it? :-)

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Marko Milivojevic - CCIE #18427
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On Wed, Feb 2, 2011 at 09:03, Asfer Shah <s_asfar_at_hotmail.com> wrote:
> Hello ,
> I have a Query to which no one have answered so far ??
>
> PE2-PE3 are in AS20 and are MP-iBGP neighbor to each other.
> CE1 and CE2 are two sites B connected to PE2 and PE3 respectively talking
> through the MPLS VPN cloud.
> The multicast distribution trees are also configured and the Intra-AS
> multicast end-to-end is working smoothly fine B between CE1-CE2.
>
> I have the below topology in which I have a trouble.
>
>
>
> INT---------PE1--------PE2-------PE3--------CE1
> B  B  B  B  B  B  B  B  B  B  | B  B  B  B  B  B  B |
> B  B  B  B  B  B  B  B  B  B  | B  B  B  B  B  B  B |
> B  B  B  B  B  B  B  B  B  B PE4 B  B  B  B  CE2
>
>
> Now,I have PE1 in AS 10 which is gateway to the internet and is peering with
> PE2 for ipv4 (add-fam) only.
> I have PE4 in (AS30) which is peering with PE1 for both ipv4 and vpnv4
> (add-families)
> PE4 is Multihop Mp-eBGP neighbor to both the PE2 and PE3.
>
> PE1 is advertising the internet (0.0.0.0 in vpnv4 add family) to PE4 and then
> PE4 is throwing it to PE2 and PE3
> After manipulating the Next-Hop , PE2 and PE3 do watch the internet default
> vpnv4 route 0.0.0.0 coming from PE1 and they do access the internet easily.
>
> At this point when I check back the multicast between CE1 and CE2 , it will
> stop working and the traffic is dropped
> The momnet , I remove the 0.0.0.0 route adver in the vpnv4 from PE1 , my
> multicast will run perfectly fine.
>
> There is PIM running between PE1 PE2 and PE4 but no solution to the problem
> till date !!
> Can you please help me in this special problem ???
>
>
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