Date: Mon, 31 Oct 94 04:30:02 PST From: Advanced Amateur Radio Networking Group Errors-To: TCP-Group-Errors@UCSD.Edu Reply-To: TCP-Group@UCSD.Edu Precedence: List Subject: TCP-Group Digest V94 #244 To: tcp-group-digest TCP-Group Digest Mon, 31 Oct 94 Volume 94 : Issue 244 Today's Topics: Help with a Ripper Problem If they're gonna sell fre... Ooops! Send Replies or notes for publication to: . Subscription requests to . Problems you can't solve otherwise to brian@ucsd.edu. Archives of past issues of the TCP-Group Digest are available (by FTP only) from UCSD.Edu in directory "mailarchives". We trust that readers are intelligent enough to realize that all text herein consists of personal comments and does not represent the official policies or positions of any party. Your mileage may vary. So there. ---------------------------------------------------------------------- Date: Mon, 31 Oct 94 05:00:28 UTC From: Andy@vk4kiv.qut.edu.au (Andy Joyce) Subject: Help with a Ripper Problem Hi, this is not really part of the AMPRNet domain but I will put it up in the air anyway. Im on a project team at my work that is looking into ways of data networking in/out of common teching areas within the University. Like most Universitys this is a Class-B domain with many Class-C SubNets, all linked via Wellfleet routers. Now the problem... A user may want to use his/her own equipment in whatever teaching area within the University, this equipment may be DOS/Windows, Unix, Sun, Mac, etc etc, but there system config would most likly be a default IP route to there SubNet router. So if they take this equipment to another part of the University and just plug it in to any port then nothing would happen unless they change there system config with an address for that SubNet. Together with this, some staff now require direct Internet access and/or University systems access within any teaching area. Again this is a major problem of network security if a port has its own address etc, and that users may change teaching areas at any time. We have been looking at BOOTP and RIP-1/2, but BOOTP will need the user to have a bootp client for there software/hardware and could be a major limit for users. RIP-2 was starting to look good but none of the Wellfleet routers had that version. The idea with RIP is that a central box could be used for this and that a users address could be added to the routing table of this box with RIP broadcasting to a set Wellfleet router interface and update the Wellfleet routes table, the that node would use OSPF route info to there other routers within the University. At the end of booking time for this teaching area, that route would then be dropped. The problem now is that as a route is received by the router, it will apply its local interface SubNet mask to the RIP entries before putting it in the table. What would happen is that there would be two entries for the same SubNet, and this could lead to the old one being removed if the hop count to the new SubNet is less than the true entry. Does anyone know of a way around this apart from DHCP etc, Im looking for something simple for the routing of single addresses. Cheers, Andy Joyce VK4KIV.. - _--_|\ Andy Joyce / QUT Dept of Audiovisual Services Email1: A.Joyce@qut.edu.au \_.--._/ Division of Information Services Email2: Andy@vk4kiv.qut.edu.au v Queensland University of Technology Ph/Fax: +61 7 864 4298/4000 ------------------------------ Date: Sun, 30 Oct 1994 10:21:58 -0500 From: KE4JUH@aol.com Subject: If they're gonna sell fre... If there were anything worth watching on TV I'd give a sh?t. Let them put all the TV stations on VHF then, since there is a problem with Cramming them all on UHF...That would allow for 12 TV stations in any given area (I realize it's not really that simple, but there are really only 4 or 5 major networks nationwide)... and in a couple of years everyone will have a satellite TV system, the cost is dropping like... So I suggest renting out (NOT SELLING, more money can be made that way) the spectrum used by UHF TV. And by renting it out the FCC can create a steady income and maybe even hire the staff they need to enforce the rules + regs... I don't have much interest in SHF + EHF now, but I didn't have much interest in HF before I tried it! I WOULD LIKE TO GET THE CHANCE TO TRY IT, THANK YOU! DE KE4JUH ------------------------------ Date: Sun, 30 Oct 1994 23:23:41 +0000 From: "Brian A. Lantz" Subject: Ooops! Well, Tampa SHOULD be okay now..... Accidently deleted the autoexec.nos file about a week ago, and I THOUGHT I had it all setup right again, but only CLOSE. Should be able to get into ko4ks.ampr.org, again ----------------------------------------------------------- Brian A. Lantz/KO4KS brian@lantz.com REAL PORTION of Microsoft Windows code: while (memory_available) { eat_major_portion_of_memory (no_real_reason); if (feel_like_it) make_user_THINK (this_is_an_OS); gates_bank_balance++; } ------------------------------ End of TCP-Group Digest V94 #244 ******************************