East County Internet Services, Inc -Jess- CFO System Admin On Mon, 6 Oct 1997, Julian Cowley wrote: > On Fri, 3 Oct 1997, Daniel Wesemann wrote: > > i have a little problem with a p50 (S/N 5485356) with firmware 5.0A (Feb > > 97). took it out of the box, configured the ether interface to > > 150.10.61.31/24, entered the termserv and tried a ping to the router. > > guess what: nothing! > > What is the exact model of your P50? If it ends in HX, you have the > "single-user" (i.e., crippled) version. > > The way that works is that the P50-HX takes note of the very first MAC > address it sees on the ethernet wire. Once set, it will only forward > packets from that MAC address to the upper protocol layers. This > effectively makes it useless on a LAN with many hosts -- you have to > connect it directly to your computer using a null 10Base-T cable. > > Of course, this is only the way Ascend intended it to be used, but it's > possible to get around its limitations. A Linux system with two ethernet > cards can do wonders... > > > hours later, meanwhile with a sniffer connected to the lan, i tried > > again: > > > > ping 150.10.61.1 (the router) > > > > on the sniffer, i can see that the pipeline sends arp requests like > > crazy, and the router replies. but ping doesn't work. and "show arp" > > shows me an empty cache. "aah, filters", i think. and check the setting > > in mod-config->ether options. it is 0, which according to the manual > > means "disabled". > > > > doubting, i try the ping of last resort: > > > > ping 255.255.255.255 > > > > and see, ONE machine on the 150.10.61.x lan responds. it is 150.10.61.3. > > no idea why this one and not the others. on the sniffer, i can see all > > the workstations on my 150.10.61.x lan sending arp requests for my > > pipeline. the pipeline doesn't respond. "show arp" gives me just one > > entry: the one for 150.10.61.3. > > > > after the entry got washed out of the arp cache, i tried the broadcast > > ping again. this time, the one responding was 150.10.61.21, again with > > only this entry in "show arp". > > > > 150.10.61.21 is one of our management stations and has a tftp server. so > > i kept pinging to keep the arp cache alive and grabbed a new firmware > > from the ascend server: b.p50 (5.1A). installed it, booted it, even > > cleared the profile and started from scratch - but the problem persists. > > > > i got two cards left to play now...: > > > > 1) the hope that someone on the list knows what i'm doing wrong and > > tells me > > 2) that plugging in the ISDN connection will somehow "fix" my pipeline. > > i don't have the phone connection yet to try it. > > > > > > thanks for any hint > > > > daniel > > > > > > ------------------------------------------------------------------------- > > - Daniel Wesemann wesi@siemens.ch <A HREF="http://www.siemens.ch">http://www.siemens.ch</A> > > - > > - UNIX and Network Administration Siemens Switzerland Inc, Zurich > > - > > ------------------------------------------------------------------------- > > ++ 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>> > ++ 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="msg09482.html">(ASCEND) P50 connects to "bad" MAX, no it's not an HX ;)</A></STRONG></LI> <UL> <LI><EM>From</EM>: Kevin Smith <kevin@ascend.com></LI> </UL> <LI><STRONG><A HREF="msg09484.html">Re: (ASCEND) Q: arp problem with p50</A></STRONG></LI> <UL> <LI><EM>From</EM>: Kevin Smith <kevin@ascend.com></LI> </UL> </UL> <!--X-Follow-Ups-End--> <!--X-References--> <STRONG>References</STRONG>: <UL> <LI><STRONG><A HREF="msg09436.html">Re: (ASCEND) Q: arp problem with p50</A></STRONG></LI> <UL> <LI><EM>From</EM>: Julian Cowley <julian@pixi.net></LI> </UL> </UL> <!--X-References-End--> <!--X-BotPNI--> <HR> <UL> <LI>Prev by Date: <STRONG><A HREF="msg09475.html">(ASCEND) ap27 and 33.6 disconnects</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg09473.html">Re: (ASCEND) Modem 7:8 bad last 8 calls</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg09436.html">Re: (ASCEND) Q: arp problem with p50</A></STRONG> </LI> <LI>Next by thread: <STRONG><A HREF="msg09484.html">Re: (ASCEND) Q: arp problem with p50</A></STRONG> </LI> <LI>Index(es): <UL> <LI><A HREF="mail22.html#09476"><STRONG>Main</STRONG></A></LI> <LI><A HREF="thrd191.html#09476"><STRONG>Thread</STRONG></A></LI> </UL> </LI> </UL> <!--X-BotPNI-End--> <!--X-User-Footer--> <!--X-User-Footer-End--> </BODY> </HTML>