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Date: Sat, 31 Dec 2011 03:08:14 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Sami Halabi <sodynet1@gmail.com>
Message-ID: <20111230230814.GG12721@glebius.int.ru>
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Cc: net@FreeBSD.org
Subject: Re: ng_mppc_decompress: too many (4094) packets dropped, disabling
 node
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  Sami,

On Tue, Dec 27, 2011 at 11:08:47PM +0200, Sami Halabi wrote:
S> Thanks for your patch, i applied it and its production already.
S> i had to stop mpd, and once started it i saw that all home routers
S> connected immediatly.
S> most of them don't use mppc, so I wonder why this problem happend in the
S> first place.
S> whats surprising i had few hours ago the same problem:
S> Dec 27 14:11:29 mpd2 kernel: ng_mppc_decompress: too many (4092) packets
S> dropped, disabling node 0xffffff000ba12700!
S> Dec 27 14:11:29 mpd2 kernel:
S> Dec 27 19:19:10 mpd2 kernel: ng_mppc_decompress: too many (4092) packets
S> dropped, disabling node 0xffffff0006307400!
S> Dec 27 19:19:10 mpd2 kernel:
S> 
S> i hope the patch will solve the problem for good now, i'll let it work for
S> the coming few days andif something will go wrong i'll paste you.

How is the patched kernel running?

Do you use L2TP or PPPoE?

/me uses PPTP mostly, which handles any reordering problems correctly, so
I can't even test my patch. If I produce a reordering event artifically,
the ng_pptpgre filters bogus packet out.

-- 
Totus tuus, Glebius.