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>> </PRE> <!--X-MsgBody-End--> <!--X-Follow-Ups--> <HR> <STRONG>Follow-Ups</STRONG>: <UL> <LI><STRONG><A HREF="msg10719.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG></LI> <UL> <LI><EM>From</EM>: Kevin Smith <kevin@ascend.com></LI> </UL> <LI><STRONG><A HREF="msg10723.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG></LI> <UL> <LI><EM>From</EM>: Luke Parrish <lparrish@iAmerica.net></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-Follow-Ups-End--> <!--X-References--> <STRONG>References</STRONG>: <UL> <LI><STRONG><A HREF="msg10662.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG></LI> <UL> <LI><EM>From</EM>: Scott Chrestman <src@netropolis.net></LI> </UL> </UL> <!--X-References-End--> <!--X-BotPNI--> <HR> <UL> <LI>Prev by Date: <STRONG><A HREF="msg10694.html">(ASCEND) Max 4048 & X2 Modems</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg10692.html">(ASCEND) MPP on Pipeline 50</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg10670.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG> </LI> <LI>Next by thread: <STRONG><A HREF="msg10705.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG> </LI> <LI>Index(es): <UL> <LI><A HREF="mail2.html#10693"><STRONG>Main</STRONG></A></LI> <LI><A HREF="thrd239.html#10693"><STRONG>Thread</STRONG></A></LI> </UL> </LI> </UL> <!--X-BotPNI-End--> <!--X-User-Footer--> <!--X-User-Footer-End--> </BODY> </HTML>