[126572] in North American Network Operators' Group
Re: IPv4 Multicast
daemon@ATHENA.MIT.EDU (Anton Kapela)
Fri May 21 17:26:59 2010
From: Anton Kapela <tkapela@gmail.com>
In-Reply-To: <1323717.33065.1274453522694.JavaMail.lanson9@127.0.0.1>
Date: Fri, 21 May 2010 17:26:44 -0400
To: Jamie Sobczyk <lanson9@cox.net>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On May 21, 2010, at 10:52 AM, Jamie Sobczyk wrote:
> With my VLC receiver I can see the channels via SAP, but when I join =
the
> multicast group I don't receive anything.
verify packets actually land on the receiver (tcpdump, etc) interface. =
verify that your host has a route for 224/4 pointing out the interface =
you hope joins are leaving from. ensure iptables isn't blocking either =
the outgoing igmp join, and make sure that it's permitting the incoming =
mcast-dest packets.
if any of these are wrong/failing, then mcast won't work.
-Tk=
