hehe :) At 11:49 AM 11/13/97 -0800, you wrote: >Yeah! I knew someone must be doing it already. This *IS* exactly how it >is done. Thank you Tony!!!! > >At 04:38 PM 11/13/97 -0000, Tony Lloyd wrote: >>Sure can. We ship Pipeline 50's with V5.1A loaded and NAT enabled to >>clients with SMTP servers etc sitting on their LAN. The traffic is routed >>by port number. All traffic from the outside world is sent with the >>destination address set to that of the Pipeline (yeah, needs a static >>allocated to it) so for example: >> >>SMTP goes to 123.123.123.123:25 >>WWW to 123.123.123.123:80 >>Telnet to 123.123.123.123:23 >>FTP to 123.123.123.123:21 >>etc... >> >>As the only address that's visible to the outside world is that assigned by >>the MAX (or whatever the Pipeline's connecting into) then ALL services >>behind the Pipeline are known by that address. >> >>All the hard work is done by the Pipeline with what it calls 'Static >>Mappings' - these simply map traffic with a destination address of the >>Pipeline coming in on (say) TCP port 25 to the local IP address of the >>server running that service and the port it's running the service on. >> >>ie SMTP traffic comes in (Port 25) and needs to go to server 11.22.33.44 on >>port 25, so the static map says 'Any traffic inbound on 25 gets routed to >>11.22.33.44 on 25' >> >>You can even set a default 'route' for traffic not covered by the static >>maps. >> >>I'm not clear as to what path to take if multiple servers exist for a >>service but it'd probably involve a bit of port-mapping somewhere along the >>line. >> >>Check the release notes for V5.1a on Ascend's FTP server for a more >>detailed discussion of NAT and it's implementation. >> >>Hope this heps >> >>Tony Lloyd - Network Sstems Engineer >>Onyx Internet >> >>-----Original Message----- >>From: Edwin Yeh [SMTP:ery2@po.cwru.edu] >>Sent: Wednesday, November 12, 1997 10:00 PM >>To: edwin_yeh >>Cc: ascend-users@bungi.com >>Subject: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)? >> >>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.) >> >>But can you run servers (such as ftp server or web server) behnid the >>Pipeline router (running NAT)? >> >>In other words, is there a way for outside users to point to a specific >>machine inside the NAT subnet. >> >>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. >> >>++ 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>> >> >>++ 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>> > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Luke Parrish * Email lparrish@iamerica.net * * LDS-iAmerica, ISP * Email luke@ciscokid.iamerica.net * * Network Engineer * Phone 1-800-789-6062 x3010 * * AS 4958 * <A HREF="http://cust.iamerica.net/lparrish">http://cust.iamerica.net/lparrish</A> * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * The Internet is our friend. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ++ 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="msg10704.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG></LI> <UL> <LI><EM>From</EM>: Tony Lloyd <tony.lloyd@onyx.net></LI> </UL> <LI><STRONG><A HREF="msg10720.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> </UL> <!--X-References-End--> <!--X-BotPNI--> <HR> <UL> <LI>Prev by Date: <STRONG><A HREF="msg10729.html">Re: (ASCEND) Q. Can you run servers behind Pipeline (running NAT)?</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg10726.html">(ASCEND) Mixing 64K and 56K</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg10720.html">Re: (ASCEND) Q. 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