On Thu, 24 Feb 2000, Edward Marczak wrote:
> on 23/2/2000 11:17 AM, Michael D Green shot down the bitstream:
>
> >> are you using NAT? I don't quite follow.
> >
> > What is NAT?
>
> I didn't see anyone answer this, so here goes:
>
> NAT is Network address translation. A router uses NAT to change your real
> IP address outbound, and back again inbound. Why? The most common example
> is sharing a single, real IP among several machines with bogus addresses for
> Internet access.
Actually NAT is usually reserved to mapping one IP to another or a group
of IPs to another group of IPs.
IP Masquerading is actually PAT, Port Address Translation. In that case
packets are rewritten to contain the IP address of the Masqing box.
The two are similiar in name but allow for very different network setups.
Bill Carlson
------------
Systems Programmer [EMAIL PROTECTED] | Opinions are mine,
Virtual Hospital http://www.vh.org/ | not my employer's.
University of Iowa Hospitals and Clinics |
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