Ascend Archive
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Re: (ASCEND) PRI Rolldown problem, help!!
On Wed, 16 Sep 1998, Rob Myers wrote:
> First, let me explain how we have our environment set up. We have 4 MAX
> 4000 servers with 4 PRIs each installed. 2 PRIs per box are used for
> modem access (we have 6 8-modem cards per box) and the other 2 PRIs per
> box are for ISDN access. We are running stacking and OSPF on all of our
> boxes.
Cool! We had problems with this, so we redid our setup...
> We have a rolldown configured (via Southwestern Bell) such that all of the
> dialup PRIs are linked together in a hunt group of 8 PRIs that span all 4
> MAXen. Similarly, we have another such hunt group of 8 PRIs for our ISDN
> customers.
Are your PRIs all on the same phone#? We have 5 PRIs for dial-up
customers (modem and ISDN) plus one PRI for ISDN-only which should roll
over to the main pool. Two phone numbers, total, for dial-ups. We also
have two hunt groups of two PRIs each for dedicated.
> What's happening is that sometimes (often) one of our dedicated ISDN
> customers rings in on the hunt group for ISDN. They get a connection in
> the appropriate hunt group. Their second channel then dials in and gets a
> connection in one of the -dialup- (modem) hunt groups. This doesn't
> always happen but it happens often enough for me to notice.
It turns out that SWBell screwed up and had our ISDN dial-up PRI rolling
over to one of the dedicated PRIs. It took a call to Special Circuit
repair to diagnose. What I did was asked them what the rollover number
was on that PRI. They told me. I am *not* amused. It is entirely
possible that SWBell has your dedicated PRI's rolling over to the wrong
number. Check that first.
- J-Mag Guthrie
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