Re: (ASCEND) Ascend Disconnect Performance

[Cyril Jaouich <twiggy@twiggy.spider.org>]

On Thu, 18 Mar 1999, Mitchell Arnone wrote:

> We have been running two MAX TNTs for over a year and recently purchased 
> Navis Access.  With Navis, and other "Log Watching" tools we have been able 
> to understand more about the disconnect codes and progress codes.   In our 
> attempt to become more proactive to network/dial-in problems we have 
> identified some Disconnect/Progress code combinations that could indicate a 
> systemic problem.  For instance, a 185 Disconnect with a progress of 31 
> basically states that the two modems were unable to shake hands (no modem 
> tone) so the TNT disconnected.  A 10 disconnect with a progress of 31 
> indicates the same problem differing only in that it is the client which 
> hangs up first.  On average, about 10% of our total analog disconnects are 
> either a 185/31 or 10/31, although there have been times when this 
> percentage has been as high as 30%  with users hollering.  Ascend has 
> acknowledged that problems like this could possibly be addressed in a 
> recent release of TNT firmware but this is not meant to imply that all such 
> codes will disappear after the upgrade.  Also, there are other disconnect 
> causes that have given us concern as well.
> 
> We are seeking to compare notes with other TNT users to see what kind of 
> disconnects they are receiving and at what percentages.

	Well, we don't use TNTs but with about 150 Max4048, the
combination c=185 & p=31 plus c=10 & p=31 account for 3.5% of all
disconnected calls.

	Later

Cyril Jaouich [CJ837]
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ACC NETWORK OPERATIONS EASTERN CANADA/US
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