Re: How TIGHT is IP Number Allocation?

Jake Messinger (jake@ams.com)
Thu, 17 Apr 1997 08:28:39 -0500 (CDT)

On Thu, 17 Apr 1997, Matthew S. Crocker wrote:

> On Thu, 17 Apr 1997, Mike Jipping wrote:
>
> We have always routed a 32 IP subnet (30 usable) to our PM2e-30's for use
> in the assigned address pool. Works for me. No the PM3 is a pain because
> 48 modems is not a nice subnet. I'm can route 64 easily but then I have
> waste or I could do 32 + 16

Then dont route a subnet, route specific IP addresses.
>
> -Matt
>
> > "Way Back" when we got our first Portmaster PM2-E30, we were on ComOS
> > 3.0.1 and were warned that the IP number allocation scheme used was
> > sloppy. We were told that allocation sometimes used up to 5 numbers
> > beyond what you'd expect, and that we should allocate 35 numbers for a
> > 30 port unit.
> >
> > Well, now that we use four PM2-E30's those extra 20 numbers for "slop
> > space" could be handy used for other purposes.
> >
> > Question: is the allocation scheme tighter in ComOS 3.3.3 and 3.5? We
> > use 3.3.3 and are looking to upgrade to 3.5 soon. Is the allocation
> > exact now, or is a little extra number set still recommended?
> >
> > Thanks.
> >
> > -- Mike
> >
> > ----------------------------------------------------
> > Mike Jipping | jipping@macatawa.org
> > System Administrator | (616) 395-7509
> > Macatawa Area Community Network
> >
>
> --
> ----------------------------------------------------------------------
> Matthew S. Crocker - Systems Administration matthew@crocker.com
> Crocker Communications Phone: (413) 587-3350
> PO BOX 710 Fax: (413) 587-3352
> Greenfield, MA 01302-0710 http://www.crocker.com
> ----------------------------------------------------------------------
>

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Jake Messinger 713-772-6690 jake@ams.com
Advanced Medical Systems, Inc. jake@uh.edu
Houston, Texas http://www.ams.com/~jake
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(Betcha can't do this on an Apple ][, ][c, or ][e)