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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
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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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)
=======================oOO==(_)==OOo========================
    MY OPNIONS ARE NOT NECESSARELY THOSE OF MY EMPLOYER


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