Re: (ASCEND) Ascend Disconnect Performance

["willp2" <willp2@dreamscape.com>]

Running 40xx's here.  We've found that some users who run Windows NT ALWAYS
disconnect with a cause code of 11 (Lost Carrier) and a progress code of 60
(lan session up).  Some NT users always disconnect (every single time) with
a cause code 185 (Hung up) and progress code of 60.

It seems that the most consistent platform for generating a cause code of 45
(User requested disconnect) is linux's pppd and win95/98.

If your customer base is primarily Windows NT, this will make a dramatic
difference in your statistics on disconnect reasons.  The real interesting
disconnect code that has helped our tech support department is the cause
code 47 (No NCP's opened).  This happens with corrupted windows registries
and can usually be fixed by uninstalling DUN and reinstalling it and
creating a new DUN connection (worst case scenario).

One thing we do to keep tabs on disconnect reasons is to keep a log of the
relative percentages of each disconnect code for each POP over the last 24
hours.  We've been able to find major facilities problems this way.  At
various times, I'll also run a report on disconnect cause codes for each
T1-span we have and scan them visually to see if any T-spans show an unusual
deviation.  I'm still trying to figure out how best to represent this data
so I can graph it with something like MRTG.  If anyone has any ideas on how
to visualize this data, speak up...  The best thing in the world was to be
able to find that a cross-connect cable had gone bad over a weekend by
seeing a 10% increase in cause code 11's (lost carrier) on a T-span.

-Will Pierce


-----Original Message-----
From: Cyril Jaouich <twiggy@twiggy.spider.org>
To: Mitchell Arnone <mitchell.arnone@occ.treas.gov>
Cc: ascend-users@bungi.com <ascend-users@bungi.com>
Date: Thursday, March 18, 1999 4:13 PM
Subject: Re: (ASCEND) Ascend Disconnect Performance


> 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.
>
>Cyril Jaouich [CJ837]


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