On Wed, 19 Jul 2000, Jeremy Gault wrote:
> Hi,
>
> We are running Radiator (its either the 2.13 series or 2.14) and
> 3Com Total Control HiPer ARC terminal servers. We're having a problem
> with the Simultaneous-Use feature.
> Our regular dialup customers (and 64K ISDN) accounts are given a
> Simultaneous-Use of 1, thus allowing them only one login. That is
> what our DefaultSimultaneousUse is set to, and the "DEFAULT" user has
> that also.
> Customers who want 128K ISDN are given a Simultaneous-Use of 2
> to allow them to connect to both channels. We set that on a per-user
> basis in our Radis users file.
> Now, here's the problem. It works fine with regular dialup
> users, but ISDN users have a world of problems. They are able to
> login a few times, and then it starts rejecting them. Our log files
> show that their Simultaneous-Use of 2 has been exceeded, yet I can
> list the users logged into the terminal server, and they aren't on.
> Somehow Radiator thinks they are on, but they aren't. People can use
> their ISDN a few times, and then they end up having to call us to have
> is kill the radiusd process so they can login again.
We have a similar setup, and *had* a similar problem. Here's a likely
cause.
When you have more than one HiPer ARC, as you may know, it uses a facility
called MPIP. Well, one of the effects of using this facility, is that
occasionally an extra accounting record will come through with a
NAS-Port-Type of Virtual. This means that the usage count can go up
sometimes when it shouldn't.
The quick solution is to add a Handler clause that handles port types of
Virtual, that uses a null session database. This way those Virtual
records won't clog the session database.
- D
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