Ascend Archive
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Re: (ASCEND) MAX1800 stuck BRIs
We have this problem on our Max 1800s as well (analog only). When the
BRI is stuck in the "r" state, there is an Answer in the "show users"
for that channel. I've seen instances where there is an actually session
up and running on that, but sometimes people get ring-no-answer as well.
This was with 5.0Ap16
According the the 5.0Ap42 release notes, this was TR1773, which was
supposed to be fixed in 5.0Ap23. But when we upgrade to Ap42, we were
getting reboot problems, so the "r" problem is on the back burner for
now until we find a stable version. Backed down to Ap38 to see what
happens.
Jason Nealis wrote:
>
> I have seen this exact problem on my 1800's, Most of the time it seems
> to be Netopia Routers on the other side, I was wondering if you have seen
> the BRI get stuck in 'r' but actually the session is up and routing.
>
> Jason Nealis
> Erols Internet
>
> On Mon, 23 Feb 1998, Jonathan Lusky wrote:
>
> > The problem: a BRI will get "stuck" with a status of 'r' for a B channel.
> > The max seems to think its answering a call? The switch (5E) keeps sending
> > calls to the channel, which the MAX refuses. Dialup user sees this as
> > Ring-No-Answer.
> >
> > I've got several MAX1800's in one pop, all with K56 cards (some formerly
> > had V34 cards). Have been having this same problem since day 1 or so
> > with 4.6Bpsomething. Was running 5.0Ap36 on most and Ap23 on one for a
> > while and decided to upgrade all to 5.0Ap42 today. Usually a reboot or
> > two will fix it for a few weeks. But not with 50Ap42. As of tonite I have
> > two units keep getting stuck if i have all 8 BRI ports enabled (not the
> > same port getting stuck each time). They seems to be running OK with 7 ports
> > enabled.
> >
> > I've always had problems like this with MAX1800's whereever I've used them,
> > but it used to be a once-every-few-months problem. Tonite its every 20-30
> > minutes.
> >
> > Something that may be related... some of my lines are ISDN-U straight to
> > the CO, most are on Fitel 8UMuxes. I haven't been back out to the POP tonite
> > to confirm my suspicion, but I suspect the "problem" MAXes are the ones with
> > a mix of MUX'd and non-MUX'd BRIs. Anyone know if this config would
> > cause problems?
> >
> > --
> > Jonathan R. Lusky | Voyager Online, LLC
> > Director of Network Operations | (423) 209-2929
> > lusky@voyageronline.net | Unlimited PPP $19.95/mo
> > http://www.hotrod.com | http://www.voyageronline.net
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> >
>
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--
----------------------------------------------------------
Peter Chow
Chief Technical Advisor
InterQ Inc.
Tokyo, Japan
peter@interq.or.jp
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