nanog mailing list archives
Re: Multicast over GRE between Linux server and Cisco Router
From: Tom Ammon <thomasammon () gmail com>
Date: Fri, 18 Jan 2013 20:07:46 -0700
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 < mailing-lists () brianraaen com> 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 < 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, buttherouter is not indicating it is receiving the IGMP joins that the serverissending. 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 tom () tomsbox net -----------------------------------------------------------------------------
Current thread:
- Multicast over GRE between Linux server and Cisco Router Brian Christopher Raaen (Jan 09)
- Re: Multicast over GRE between Linux server and Cisco Router John Neiberger (Jan 09)
- Re: Multicast over GRE between Linux server and Cisco Router Brian Christopher Raaen (Jan 11)
- Re: Multicast over GRE between Linux server and Cisco Router Tom Ammon (Jan 20)