Lou. ------------------------ From: Jake Messinger <jake@ams.com> Subject: Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)? Date: Thu, 13 Nov 1997 10:35:35 -0600 (CST) To: Lou Melograna <lmelogra@AtrionComm.com> Cc: Edwin Yeh <ery2@po.cwru.edu>, Scott Chrestman <src@netropolis.net>, ascend-users@bungi.com > 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> > ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~ ---------------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: 11:39:04 "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--> <!--X-Follow-Ups-End--> <!--X-References--> <HR> <STRONG>References</STRONG>: <UL> <LI><STRONG><A HREF="msg10705.html">Re: (ASCEND) Q. 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