*BSD News Article 76737


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From: brian@awfulhak.demon.co.uk (Brian Somers)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Spontaneous Disconnects?
Date: 21 Aug 1996 11:38:57 +0100
Organization: Coverform Ltd.
Lines: 31
Message-ID: <4vep01$ba@anorak.coverform.lan>
References: <DwEFyt.I8z@news2.new-york.net> <32192A75.2E55@www.play-hookey.com>
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Ken Bigelow (kbigelow@www.play-hookey.com) wrote:
: Louis Epstein wrote:
: > 
: > Are you aware of anything that could be spontaneously disconnecting my
: > dialed-in ISP customers from connections authenticated by a 2.1R box
: > that could be related to the OS?
: > 
: > Trying to cover every possible base here.(If it is OS-related,would
: > going to 2.1.5R make any difference?)

: I don't hink it's the OS; my full-time dialup also drops occasionally. 
: Since it happens most often during rain or thunderstorms, or when the 
: telco is futzing around, I tend to believe it's just noise on the line 
: that blows the modem sync, leading to disconnect.

: It's not fun, but I don't see any way to avoid it on a dialup link.

Most modems have a "how long to lose CD before dropping the line" S
register (around S7-S11 somewhere on a USR-Sportster).  Try tweaking
this up to a second or there abouts.  Some modems default this to about
.07 of a second: used to always kill my link after no more than an hour
or two.

I can now stay linked for days at a time (downloading 2.1.0 including
xperiment, X & commerce took 28 hours)....  But that may also be because
I'm not using BT and I am using Videotron as a tele-provider - far
less noise on the line.

--
Brian <brian@awfulhak.demon.co.uk>
Don't _EVER_ lose your sense of humor....