Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 14 Jul 2007 14:25:51 -0700
From:      Brian Somers <brian@Awfulhak.org>
To:        Brett Glass <brett@lariat.net>
Cc:        freebsd-net@freebsd.org, Mike Tancsa <mike@sentex.net>
Subject:   Re: Bug in userland PPP LQR?
Message-ID:  <20070714142551.52f9a6b4@dev.lan.Awfulhak.org>
In-Reply-To: <200707141901.NAA27366@lariat.net>
References:  <200707110014.SAA02181@lariat.net> <ousa931n9u85mja8m4d26p0r3ol1g3h062@4ax.com> <200707120114.TAA28481@lariat.net> <20070714114132.6b395616@dev.lan.Awfulhak.org> <200707141901.NAA27366@lariat.net>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, 14 Jul 2007 13:01:06 -0600 Brett Glass <brett@lariat.net> wrote:
> At 12:41 PM 7/14/2007, Brian Somers wrote:

> >I expect unacknowledged LQR packets to be resent
> >5 times (exactly the same packet), and the 6th
> >timeout to cause a line drop.
> 
> That's what I thought too. But it seems as if a
> single dropped packet among plenty of successful
> ones can cause the session to drop. This is
> why I am wondering if the counter is properly reset
> or if one missed packet leads to a permanent loss
> of synchronization.

The lqm logging should prove/disprove that ppp
is sending the packet 6 times.

The code *looks* ok.  The counter is reset at line
236 of lqr.c (on receipt of an LQR packet).

-- 
Brian Somers                                          <brian@Awfulhak.org>
Don't _EVER_ lose your sense of humour !               <brian@FreeBSD.org>



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070714142551.52f9a6b4>