Subject: Re: single-interface IPNat box?
To: Rafal Boni <rkboni@concentric.net>
From: Tom T. Thai <tomthai@future.net>
List: current-users
Date: 06/17/1997 13:55:35
I'm doing some research into ISDN for netbsd, so I'll email you what I find.

On Tue, 17 Jun 1997, Rafal Boni wrote:

> Well, in this case, the "router to the outside net" is an Ascend ISDN router, 
> so it is needed to connect to the outside (I don't have a way to make the NAT 
> box -- a NetBSD machine -- speak ISDN).  I was hoping that rather than setting 
> up two ether segments (one shared between the NAT box and the Ascend and one 
> shared between the NAT box and the inside machine(s)) I could put all the 
> machines on one segment (it saves a hub and a NIC).
> 
> --rafal
> 
> ---------- Original Text ----------
> 
> From: "Tom T. Thai" <tomthai@future.net>, on 6/17/97 1:09 PM:
> 
> you can use the NAT box as the router.. with PPP link to the Net and 
> ether to the LAN.
> 
> On Tue, 17 Jun 1997, Rafal Boni wrote:
> 
> > Is it possible to set up a single-interface IPNat box??
> > 
> > A friend of mine has a need to set up a home network and the box he procured
> > to do NAT currently only has one NIC.  What we were thinking is:
> > 
> >                                         (The Net)
> >                                             |
> >  (inside host)        (NAT box)    (router to outside)
> >       |                    |                |
> >       \--------------------|----------------/
> > 
> > Where inside host is assigned a non-routable address, the NAT box has a 
> "real"
> > IP address on the interface and an alias that is also a non-routable address.
> > 
> > Inside host default gateway == non-routable address of NAT box
> > NAT box default gateway == router
> > 
> > Getting another NIC obviously isn't a horrendous expense in this day and age,
> > but I'm curious whether the above setup should work (in theory or in 
> practice).
> > I haven't looked at the IPFilter documentation enough to determine whether > 
> we were both crazy or not.
> > 
> > Any comments appreciated (other than comments on our sanity.. We know we're
> > crazy 8-)
> > 
> > --rafal
> > 
> > ----
> > Rafal Boni 
> rkboni@concentric.net
> > 
> 
> 
> ..............          ....................................
> Thomas T. Thai          Infomedia Interactive Communications
> tom@iic.net             TEL 612.376.9090 * FAX 612.376.9087
> 
> 
> 
> 


..............          ....................................
Thomas T. Thai          Infomedia Interactive Communications
tom@iic.net             TEL 612.376.9090 * FAX 612.376.9087