netdev - Re: Multicast routing stops functioning after 4G multicast packets recived.

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Message-ID: <20131219150923.GB24118@order.stressinduktion.org>
Date:	Thu, 19 Dec 2013 16:09:23 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Bob Falken <NetFestivalHaveFun@....com>
Cc:	netdev@...r.kernel.org
Subject: Re: Multicast routing stops functioning after 4G multicast packets recived.

On Thu, Dec 19, 2013 at 03:48:16PM +0100, Bob Falken wrote:
> Hello, I have an issue after kernel 2.6.37 and above.
> If i roll back to kernel 2.6.36.4 everything is fine.
> if recive more than 4294967295 multicast packets, the kernel does not register the multicast packets. and multicast routing does not functioning.
> (Tested bouth FIB_HASH and FIB_TRIE)   
> Tested with xorp and pimd. 
> I have abount 24 multicast groups, and it takes me about 17hours to reproduce the issue after a reboot.
> Reboot is reqired to fix the issue. (Tested to stop/start pimd/xorp, reload network module for the network interface "e1000e",
> Used birdge adapter and remove bridge adapter and readd bridge adapter to clear counters. none of thouse solves the issue.)

Please test this with a recent kernel. 2.6.37 is really old and you normally
won't get good support here with such old kernels.

Greetings,

  Hannes

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