At 10:35 AM 11/13/97 -0600, Jake Messinger wrote: >On Thu, 13 Nov 1997, Lou Melograna wrote: > >> Is there a way to statically map IP bogus addresses to a valid IP address in order to be hit >> from the outside world? > >Isnt that called ip aliasing? I know how to do it on a linux box. You have >to make sure that you have a route to the bogus address if its NOT in your >loca subnet, and of course this depends on your upstream provider as well. > >> > Lou. >> >> ------------------------ >> From: Scott Chrestman <src@netropolis.net> >> Subject: Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)? >> Date: Wed, 12 Nov 1997 16:24:56 -0600 (CST) >> To: Edwin Yeh <ery2@po.cwru.edu> >> Cc: ascend-users@bungi.com >> >> >> > On Wed, 12 Nov 1997, Edwin Yeh wrote: >> > >> > > I don't know exactly how NAT works. (I'll be interested to know. All I can >> > > guess, is that when the packet exists the router, somehow the header >> > > information is wrapped.) >> > >> > From <A HREF="http://www.ascend.com/895.html">http://www.ascend.com/895.html</A> : >> > >> > When the Pipeline first connects to the NAS, it receives an initial IP >> > address via PPP negotiation. The Pipeline then builds a >> > lookup table that matches the workstation's bogus address with the >> > registered address that the NAS assigns. The Pipeline >> > re-addresses packets destined for your workstation (i.e., destined to the >> > registered address) with the bogus address it actually has. >> > This translation is transparent both to the workstation and to devices on >> > the WAN. >> > >> > > >> > > But can you run servers (such as ftp server or web server) behnid the >> > > Pipeline router (running NAT)? >> > >> > Yes you can run them, but users from the outside world will not be able to >> > hit them. >> > >> > > >> > > In other words, is there a way for outside users to point to a specific >> > > machine inside the NAT subnet. >> > >> > No. >> > >> > > >> > > Thanks. >> > > >> > > Edwin >> > > >> > > P.S. I can think of a solution. That is, don't use NAT and run DNS after the >> > > pipeline router. The DNS effectively become the router and the pipeline >> > > effectively become a Terminal Adapter. But if this is the case, why buy the >> > > pipeline. We can do it with ~$150 ISDN TA. We are using pipeline because >> > > it's cost effective for a subnet running multiple machines and the router >> > > performs better than the computer. However, functionality will come before >> > > performance. If we cannot solve this problem, we will be forced to drop the >> > > pipeline solution. >> > >> > I totally dont understand what you mean by "The DNS effectively becomes >> > the router", as they are two TOTALLY different things, doing two TOTALLY >> > different functions, but your overall answer is NO. Go buy a Motorola >> > BitSucker Pro for $150, and save some cash. >> > >> > Scott R. Chrestman >> > System Administrator >> > Netropolis Communications Corp. >> > src@netropolis.net >> > >> > ++ Ascend Users Mailing List ++ >> > To unsubscribe: send unsubscribe to ascend-users-request@bungi.com >> > To get FAQ'd: <<A HREF="http://www.nealis.net/ascend/faq">http://www.nealis.net/ascend/faq</A>> >> >> ---------------End of Original Message----------------- >> >> ------------------------------------- >> Name: Lou Melograna >> E-mail: Lou Melograna <lmelogra@atrioncomm.com> >> Atrion Communications Resources >> 185-I Industrial Parkway >> Branchburg, NJ 08876 >> Phone: 908.231.7777 ext.112 >> Fax: 908.231.8228 >> Date: 11/13/97 >> Time: 09:12:07 >> "When Quality Counts" >> ------------------------------------- >> >> ++ Ascend Users Mailing List ++ >> To unsubscribe: send unsubscribe to ascend-users-request@bungi.com >> To get FAQ'd: <<A HREF="http://www.nealis.net/ascend/faq">http://www.nealis.net/ascend/faq</A>> >> > >~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~ > Jake Messinger 713-772-6690 jake@ams.com > Advanced Medical Systems, Inc. jake@uh.edu > 8300 Bissonnet #400 fax: 713-774-3498 > Houston, Texas 77074 <A HREF="http://www.ams.com/~jake">http://www.ams.com/~jake</A> >~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~ > >++ Ascend Users Mailing List ++ >To unsubscribe: send unsubscribe to ascend-users-request@bungi.com >To get FAQ'd: <<A HREF="http://www.nealis.net/ascend/faq">http://www.nealis.net/ascend/faq</A>> > Kevin ++ Ascend Users Mailing List ++ To unsubscribe: send unsubscribe to ascend-users-request@bungi.com To get FAQ'd: <<A HREF="http://www.nealis.net/ascend/faq">http://www.nealis.net/ascend/faq</A>> </PRE> <!--X-MsgBody-End--> <!--X-Follow-Ups--> <!--X-Follow-Ups-End--> <!--X-References--> <HR> <STRONG>References</STRONG>: <UL> <LI><STRONG><A HREF="msg10693.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG></LI> <UL> <LI><EM>From</EM>: Lou Melograna <lmelogra@AtrionComm.com></LI> </UL> <LI><STRONG><A HREF="msg10705.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG></LI> <UL> <LI><EM>From</EM>: Jake Messinger <jake@ams.com></LI> </UL> </UL> <!--X-References-End--> <!--X-BotPNI--> <HR> <UL> <LI>Prev by Date: <STRONG><A HREF="msg10720.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg10721.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg10717.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG> </LI> <LI>Next by thread: <STRONG><A HREF="msg10723.html">Re: (ASCEND) Q. 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