Date: Wed, 23 Aug 2000 17:37:03 +0100 From: "Roberto Nunnari, AGIE" <roberto.Nunnari@agie.ch> To: Ingolf Koch <ingolf@jellonet.de> Cc: freebsd-isdn@FreeBSD.ORG, netbsd-help@netbsd.org Subject: Re: i4b on NetBSD_1.5ALPHA2/i386: strange traffic Message-ID: <39A3FDAF.8D0998A8@agie.ch> References: <20000823000623.A16988@maus.local.net>
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Hi.
Maybe you enabled LQR in your ppp.conf with and
LQR_PERIOD=10 ???
Ingolf Koch wrote:
>
> Hi,
>
> on my NetBSD_1.5ALPHA/i386 running i4b-00.90.0/sppp, I see
> some strange traffic on the isp0 interface: after dial-out,
> there is some small traffic going in and out (16 bytes in
> each direction) every ten seconds even if the interface
> is unused by any application. See the following tcpdump
> log (this is _all_ output -- nothing is printed after the
> timestamp).
>
> 00:00:04.301539
> 00:00:04.301630
> 00:00:14.300850
> 00:00:14.300941
> 00:00:24.300533
> 00:00:24.300625
> 00:00:34.300222
> 00:00:34.300312
> (and so on)
>
> This could be some keep-alive mechanism -- I have no idea.
> I am quite sure that I did not see this on 1.4M or so, but
> I have changed ISPs meanwhile, so this could be the reason.
>
> Although this traffic does not keep the isdn connection up
> endlessly, it disturbs isdnd's idle time calculation (the
> connection is terminated at a time totally different from
> end_of_unit-early_hangup.
>
> What is the explanation for this behaviour, and what can I
> do to stop this traffic?
>
> (I have sent this to both the netbsd-help and the freebsd-isdn
> lists as I am not sure which party is the right addressee
> in this case.)
>
> Regards
> Ingolf
> --
>
> Ingolf Koch ICQ#60829470 Beste Kneipe in Jena-Ost
> PGP: 0x7B3B5661 213C 828E 0C92 16B5 05D0 4D5B A324 EC04
>
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--
Roberto Nunnari -software engineer-
mailto:roberto.nunnari@agie.ch
AGIE - http://www.agie.com
Via dei pioppi 16 tel: +41-91-8069138
6616 Losone """
Switzerland (o o)
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