IGMP packets are sent with TTL=1. Is the tunnel interface on the router enabled for PIM?
Tom On Fri, Jan 11, 2013 at 5:11 AM, Brian Christopher Raaen < [email protected]> wrote: > 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 < > [email protected]> 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 > -- ----------------------------------------------------------------------------- Tom Ammon Network Engineer M: (801) 674-9273 [email protected] -----------------------------------------------------------------------------
