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To: Michael Vioreanu <mikejv@wolf.nji.com>
cc: Doug White <dwhite@resnet.uoregon.edu>,
        "Michael J. Vioreanu" <mjv5296@megahertz.njit.edu>,
        questions@FreeBSD.ORG
Subject: Re: extremely slow ppp 
In-reply-to: Your message of "Tue, 09 Jun 1998 08:01:45 EDT."
             <Pine.LNX.3.91.980609075813.13826B-100000@wolf> 
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Date: Wed, 10 Jun 1998 00:28:07 +0100
From: Brian Somers <brian@Awfulhak.org>
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> Upon the suggestion of someone else, I turned off compression.  I did 
> this by adding -vj -ac -pc -bsdcomp to the pppd line, or adding related 
> options to my ppp.conf file for user ppp.  It seems to have done the 
> trick.  The only compression I forsee as still being there is the modem 
> comprssion(V.42bis).  I do not know if it's one, some, or all of those 
> compressions that have caused the problem, nor do I know how to test the 
> total bandwidth of the connection in order to use the most efficient 
> compression(s).

VJ compression is probably the culprit.  Broken VJ implementations 
will work slowly rather than hanging completely.

To test your bandwidth, ``enable throughput'' in ppp (this is the 
default in the latest version).

> Thanks for your help.
> 
> Mike V

-- 
Brian <brian@Awfulhak.org>, <brian@FreeBSD.org>, <brian@OpenBSD.org>
      <http://www.Awfulhak.org>
Don't _EVER_ lose your sense of humour....



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