Date: Mon, 09 Aug 1999 13:16:18 +0100 From: Brian Somers <brian@FreeBSD.org.uk> To: Rowan Crowe <rowan@sensation.net.au> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: problem with user level ppp, using multilink functionality Message-ID: <199908091216.NAA02239@keep.lan.Awfulhak.org> In-Reply-To: Your message of "Mon, 09 Aug 1999 21:11:24 %2B1000." <Pine.BSF.4.01.9908092040260.9432-100000@velvet.sensation.net.au>
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>
> Hi all,
>
> I seem to have come across a rather serious problem, I'm not sure whether
> it's something in my setup or it's a bug in ppp.
>
> I am using a very recent version downloaded today - ppp-990809.src.tar.gz.
> Is this a day-to-day snapshot or have I just happened to come along when a
> stable version has been released? I'm using the recent version as the one
> supplied with 2.2.8R doesn't support multilink.
>
> Anyway, the problem is that when running as a server (started with
> '/usr/sbin/ppp -direct mp'), ppp doesn't seem to exit properly when
> carrier is lost. There's nothing suggesting it actually detects the loss
> of CD when I pull the (line) plug on the modem, and about 3 minutes later
> it complains about the lack of response to LQR packets and declares the
> bundle dead. However, the ppp task associated with that serial line
> doesn't exit! It's still sitting there 20 minutes later, with 'who' still
> showing up the login as if the modem was still connected. Meanwhile the
> dialin line is just ringing out as obviously mgetty isn't running. To
> regain control I have to log in via shell and kill off the ppp process.
[.....]
If you ``set log +debug'', ppp reports what it thinks about the state
of carrier every second. If your wiring is dodgy and carrier is
not available, ppp will behave like this.
You can use the ``set cd'' command to configure how long ppp hangs
around waiting for carrier.... Check out the man page.
--
Brian <brian@Awfulhak.org> <brian@FreeBSD.org>
<http://www.Awfulhak.org>; <brian@OpenBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@FreeBSD.org.uk>
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