Re: Random lockups PM2E to Ascend P50/130

Simon Nuthall (simon@livingston.com)
Thu, 17 Oct 1996 17:45:07 -0700

----------
> From: alexm@agetech.net
> To: Howard Leadmon <howardl@abs.net>
> Cc: portmaster-users@livingston.com
> Subject: Re: Random lockups PM2E to Ascend P50/130
> Date: Thursday, October 17, 1996 4:44 PM
>
> Howard Leadmon wrote:
> >
> > > Sorry for sending this twice, but I forgot the subject line on my
previous
> > > e-mail.
> > >
> > > We're using Livingston Portmaster PM2Es with their 5 port BRI modules
to
> > > handle several remote locations that connect from Pipeline 50s or
Pipeline
> > > 130s. We recently upgraded several of the pipes to 4.6C.
> > >
What does the 4.6C do differently than the 4.6, this is something new to me
also.

> > > Suddenly we're experiencing random TCP/IP session lockups every 5 -
10
> > > minutes, which can only be resolved by dropping the connection and
> > > redialing. During the lockups we can ping the remote router, but
telnet
> > > attempts or any other activity on their end are unsuccessful. This
occurs
> > > with either 1 or 2 channel connections. We've tried configuring the
pipes
> > > for MP or MPP with no effect. Pre 4.6 pipes are humming along fine.
> > >
> > > Has anyone on this list experienced similar problems? Does anyone
have a
> > > handle on what may be causing this problem? Anyone from Livingston
care to
> > > comment? BTW, I'm also posting this question to the ascend user's
mailing list.
> > >
> >
> > Also to add to this (I am using P130 myself) the P130 appears to think
it
> > actually has a connection, so it doesn't try and dial again which is
very
> > annoying! The interesting thing is that when talking to another Ascend
> > this doesn't happen, but when talking to the Livingston it does.

Does it offer any settings that default on, never mind my curiosity will
make me test it so don't answer that.

Strangely
> > enough I would say it's an Ascend problem, but why only when talking to
a
> > Livingston 5BRI card.. Go Figure...
> >
I have a P50 that I have at home for testing, I will make sure that is
using the same rev. and mess around with it this weekend.

> >
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> 
> 
> Actually I had the same problem, all I did was send it back for RMA and
> the prblem was gone. Seems like when you do a dirty disconect like pull
> the plug off of ISDN it hangs??????? Oh well anyways  think if you get
> the newest flash upgrade it will solve the problem as well.