[159457] in North American Network Operators' Group
Re: Multicast over GRE between Linux server and Cisco Router
daemon@ATHENA.MIT.EDU (Brian Christopher Raaen)
Fri Jan 11 07:11:52 2013
In-Reply-To: <CAEV7mMGVUVnLigZebDk4efMpoAJfiJ0wQzP+m=TDRX2KbqUZ_Q@mail.gmail.com>
Date: Fri, 11 Jan 2013 07:11:37 -0500
From: Brian Christopher Raaen <mailing-lists@brianraaen.com>
To: North American Networking and Offtopic Gripes List <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Just a quick note. I do have multicast enabled on the server gre1
interface. A tshark capture shows the igmp group queries from the router
and the igmp join reply from the server.
On Wed, Jan 9, 2013 at 10:51 AM, Brian Christopher Raaen <
mailing-lists@brianraaen.com> wrote:
> I am trying to set up multicast between a Linux server and Router using
> GRE. The GRE tunnel is up fine and I can see traffic go across it, but the
> router is not indicating it is receiving the IGMP joins that the server is
> sending. I have identical setting with another server attached to
> fastethernet0/1 and it is joined to the group fine, but I am not able to
> get the server to link to the router via GRE interface. Note that I have
> another server behind another router where the two routers do GRE and PIM
> and that on is working fine. Is there some reason that IGMP joins would
> not work across the GRE link, but another router using PIM would?
>
> --
> Brian Christopher Raaen
> Network Architect
> Zcorum
>
--
Brian Christopher Raaen
Network Architect
Zcorum
