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Re: (ASCEND) MAX 2012: Bad X75 performance
Forwarded message:
>From listascend@brian.voerde.globvill.de Sat Jan 10 15:03:37 1998
From: MSF on Ascend-Mailinglist <listascend@voerde.globvill.de>
Message-Id: <199801101403.PAA15337@brian.voerde.globvill.de>
Subject: Re: (ASCEND) MAX 2012: Bad X75 performance
To: oj@nexus.flensbone.net (Oliver J. Albrecht)
Date: Sat, 10 Jan 1998 15:03:35 +0100 (MET)
Cc: listascend@brian.voerde.globvill.de (MSF on Ascend-Mailinglist)
In-Reply-To: <199801070057.BAA09417@nexus.flensbone.net> from "Oliver J. Albrecht" at Jan 7, 98 01:57:25 am
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> You didn't say what kind of max you're using, I assume it's a 4000 oder
> 2000?
OK, it was a little hidden in the subject. It is a 2012
> Anyway, with those maxens and 5.0Ap36, X.75 should basically work.
> At least it does here... We did see a few problems with earlier releases
> (Ap11 & Ap27), but Ap36 & Ap38 are OK. A few of our customers still use X.75
> and performance is good (>7Kbit/s).
That's what I want, but I tried several clients, OSes, cards/TAs ans X75
settings in the answer profile. No luck. Maximum performance is 3,5k.
> The real *problem* with X.75, and yes, we also bought the max because it
> supposedly works fine with this protocol, is not with performance.
> In Germany, a frame length of 2048 is the default setting for most ISDN TA's
> and CAPI's / port drivers. Too bad the max can't to 2048, it maxes :) out at
> 1532 due to internal protocol translations.
> This turns into a major problem when your users start uploads, thus creating
> packets the max chokes on.
I did not try uploads yet, but bad performance is on the download side.
> I think you'll be quite happy with the max, as soon as you dump X75 for
> PPP connections.
Maybe, but I wanted to give X75 a try, generally it seems to work, only I
am having performance problems. Maybe it is a configuration problem, would
you mind sending me your X75 settings?
Thanks,
Marcus
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