Re: (PM) Portmaster 3 / ISDN problem and errors...

Vernon Burke (vburke@skow.net)
Tue, 23 Mar 1999 09:21:55 -0500

Richard:
I was referring to the first reply, not the original poster:

> Sigh, this one has come back to hit me hard. At 2:30 AM this morning our
Telco
> upgraded (?) our switch. When a customer notified me iof a problem, I
checked
> out the Portmaster to find sure enuff the ISDN was going up and down. So I
did

Vern

----- Original Message -----
From: Richard Morrell <portmaster@ednet.co.uk>
To: Vernon Burke <vburke@skow.net>
Cc: <pmuser@minbar.taranaki.ac.nz>; <portmaster-users@livingston.com>
Sent: Tuesday, March 23, 1999 9:12 AM
Subject: Re: (PM) Portmaster 3 / ISDN problem and errors...

> On Tue, 23 Mar 1999, Vernon Burke wrote:
>
> > Hmmmm, telco upgrades switch on previously working
> > line+line flaps=customer equipment problem? Whats
> > wrong with this picture?
>
> But his PRI works fine under ComOS 3.7.2c3! If the telco had upgraded
> before he had upgraded his ComOS then it would be quite a different
> picture (i.e. my situation):
>
> pm3 working fine on same PRI for 18 months
> pm3 upgraded to ComOS 3.8, from 3.7.2c3 (telco does nothing)
> PRI starts flapping
>
> There is a known timing issue with ComOS 3.8x on E1 circuits. Lucent have
> known about it for 5 months now and there is currently no fix.
>
> How old is the portmaster in question? Try having it RMA'ed for a new one
> as there was a problem with one of the DSPs on the pm3 mainboard which
> seems to aggravate the problem.
>
> Since I RMA'ed my portmangler I've had an uptime of over 30 days under
> ComOS 3.8, which is a record for anything above 3.7.2c3. I'd run ComOS
> 3.8.2, but I suspect it has a memory leak (in certain situations) and have
> been told by Lucent to stick to 3.8. :-(
>
> --
> Richard Morrell
richard@ednet.co.uk
> System Administrator - edNET: Internet Access for Edinburgh -
www.ednet.co.uk
>
>
>
>

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