Ascend Archive
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Re: (ASCEND) Disappearing pool addresses?
This sounds like the "classic" ip pool leak. Whet version are you
running? There is a software fix for this.
Phillip Vandry wrote:
>
> > I just rebooted my MAX 2000 to help it recover from a very strange
> > syndrome. Users could not start PPP, because the MAX claimed that
> > it was unable to assign an IP address for their session. I have a
> > pool set up of 23 addresses, one for each B channel on my PRI. When
> > users started to complain about not being able to get an address, I
> > looked at it and saw, at various times, 23 addresses in use and none
> > free, with no sessions connected.
>
> I don't recommend having exactly as many addresses as ports. In fact, I
> recommend having twice as many. Aside from the fact that you give
> yourself slop this way to protect against the problem you are
> experiencing, there are other advantages.
>
> It is generally a good idea to have spare addresses assigned on a LRU
> basis. If an address is immediately reassigned to another user upon
> disconnection of one user, the new user might receive bogus traffic
> from connections not properly closed by the other user. It's not a
> big deal, those connections will just break immediately. However,
> there is a small security risk in that the new user (if knowledgable and
> determined) could recover and use connections left open by the first
> user.
>
> -Phil
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--
Don Joy
System Administrator
SooNet Corp
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