Re: Multicast In Inter-AS MPLS VPN's

So, you have reachability when the interconnection between two ASNs is
down, but you don't when it's up? Are there any other interconnections
perhaps?

--
Marko Milivojevic - CCIE #18427
Senior Technical Instructor - IPexpert
FREE CCIE training: http://bit.ly/vLecture
Mailto: markom_at_ipexpert.com
Telephone: +1.810.326.1444
Web: http://www.ipexpert.com/
On Thu, Dec 16, 2010 at 14:29, Asfer Shah <s_asfar_at_hotmail.com> wrote:
> Thanks Marko for the reply,
> Well yes I am using MDT in the default mode and then the MDT in the data
> with the threshold parameters . I am also running MSDP in between the AS but
> I am not runing SSM.
> The remots ASBR is the msdp peer to one of the internal router in the first
> AS.
>
> The point is that when I shut down the ASBR-ASBR link , my traffic flows end
> to end and everything runs fine, but the problem comes once the interlink is
> brought up, the traffic somehow start to follow the inter links ?
> Can you please help in this reagrd.
> Thanks
>
>> From: markom_at_ipexpert.com
>> Date: Thu, 16 Dec 2010 12:42:25 -0500
>> Subject: Re: Multicast In Inter-AS MPLS VPN's
>> To: s_asfar_at_hotmail.com
>> CC: ccielab_at_groupstudy.com
>>
>> Are you running MSDP between two ASNs? Is the same default mdt group
>> used? Are you, by some chance using SSM in either or both of them
>> (since you mention RPs, my guess is "no", but I need to make sure)?
>>
>> --
>> Marko Milivojevic - CCIE #18427
>> Senior Technical Instructor - IPexpert
>>
>> FREE CCIE training: http://bit.ly/vLecture
>>
>> Mailto: markom_at_ipexpert.com
>> Telephone: +1.810.326.1444
>> Web: http://www.ipexpert.com/
>>
>> On Thu, Dec 16, 2010 at 01:12, Asfer Shah <s_asfar_at_hotmail.com> wrote:
>> > Dear All,
>> > I am having troubles configuring Multicast MPLS-VPN in Inter-AS
>> > scenarios.
>> >
>> > What happens is that the Site-to-Site VPN's work fine and I can see the
>> > traffic going across the MPLS core and reaching end to end.
>> > But when we have another AS, and when we run pim on ASBR's traffic
>> > somehow
>> > starts to flow towards towards the other ASBR instead of going between
>> > the two
>> > sites in one AS.
>> > The moment we shut down the interlink ASBR-ASBR , it works fine in one
>> > AS, but
>> > the moment both the ASBR's see each other as PIM neighbors, the traffic
>> > starts
>> > to flow on the interlink.
>> > Can any one suggest what exactly needs to be checked here.
>> > I made assure that the RPF failure is not happning and also the RP
>> > information
>> > of both the AS's are not leaking between the two AS.
>> > I can share the the topology with you as well.
>> >
>> > thanks
>> >
>> >
>> > Blogs and organic groups at http://www.ccie.net
>> >
>> > _______________________________________________________________________
>> > Subscription information may be found at:
>> > http://www.groupstudy.com/list/CCIELab.html
Blogs and organic groups at http://www.ccie.net