Thread View: comp.protocols.tcp-ip
2 messages
2 total messages
Started by Guy Berliner
Wed, 21 Jun 1995 00:00
Have mystery probs, need good troubleshooting reference
Author: Guy Berliner
Date: Wed, 21 Jun 1995 00:00
Date: Wed, 21 Jun 1995 00:00
44 lines
2870 bytes
2870 bytes
I'm having problems setting up a TCP/IP "network" between my SPARC station and a PC with a 3Com ethernet adapter. The weird thing is that I had everything up and running yesterday, and suddenly, mysteriously, today I can't seem to get it to work. I'm using Trumpet Winsock under Windows 3.11. I've got the packet driver for the 3Com Etherlink III card loaded into memory as it should be, along with the winpkt "virtual packet driver." I'm having the basically the same problem on two different PCs, the first of which I tried to set up today, and the second of which I set up successfully yesterday. (I never connect both of them at once to the SPARC, in case your wondering) Here's a trace from trumpet winsock on the first one (trying to telnet): > >Trumpet Winsock Version 2.0 Revision B >Copyright (c) 1993,1994 by Peter R. Tattam >All Rights Reserved. >THIS IS AN UNREGISTERED SHAREWARE VERSION FOR EVALUATION ONLY. >Ethernet address = 00:20:AF:CF:29:8B >WINPKT packet driver located on vector $72 >IP buffers = 32 >My IP = 192.0.0.3 netmask = 255.255.255.0 gateway = 192.0.0.1 >state = syn_sent >Ether 00:20:AF:CF:29:8B->FF:FF:FF:FF:FF:FF >ARP 1 0001 0800 00:20:AF:CF:29:8B:192.0.0.3 ->00:00:00:00:00:00:192.0.0.1 >ARP timed out >Ether 00:00:00:00:00:00->00:00:00:00:00:00 >0 IP 192.0.0.3 ->192.0.0.1 len 44 prot 6 >TCP transmit failed > 18.0 1024->23 seq 00000000 SYN wind 4096 opt 020405B4 >Ether 00:20:AF:CF:29:8B->FF:FF:FF:FF:FF:FF >ARP 1 0001 0800 00:20:AF:CF:29:8B:192.0.0.3 ->00:00:00:00:00:00:192.0.0.1 >ARP timed out If anyone out there either knows of some good troubleshooting guides for diagnosing these things that they could direct me to, or has some insight into what my problem might be based on this admittedly vague description, I'd greatly appreciate any help. Thanks Guy Berliner -- Finger berliner@netcom18.netcom.com for pgp key.
Re: Have mystery probs, need good troubleshooting reference
Author: Ernst Lopes Cardozo
Date: Wed, 21 Jun 1995 00:00
Date: Wed, 21 Jun 1995 00:00
37 lines
2620 bytes
2620 bytes
berliner@netcom.com (Guy Berliner) wrote: >I'm having problems setting up a TCP/IP "network" between my >SPARC station and a PC with a 3Com ethernet adapter. [...] >>Trumpet Winsock Version 2.0 Revision B >>Copyright (c) 1993,1994 by Peter R. Tattam >>All Rights Reserved. >>THIS IS AN UNREGISTERED SHAREWARE VERSION FOR EVALUATION ONLY. >>Ethernet address = 00:20:AF:CF:29:8B >>WINPKT packet driver located on vector $72 >>IP buffers = 32 >>My IP = 192.0.0.3 netmask = 255.255.255.0 gateway = 192.0.0.1 >>state = syn_sent >>Ether 00:20:AF:CF:29:8B->FF:FF:FF:FF:FF:FF >>ARP 1 0001 0800 00:20:AF:CF:29:8B:192.0.0.3 ->00:00:00:00:00:00:192.0.0.1 >>ARP timed out Here the PC (Trumnpet) tried to find the Sparc's Ethernet address by transmitting a broadcast (ARP=Address Resolution Protocol) basically asking: "who has IP address 192.0.0.1". There was no asnwer. This suggest that there is a problem soemwher here: - between Trumpet and the packet driver (check that vector number $72) - between the packet driver and the 3com card (what did the packet driver report during loeading? - between the card and the wire (are you using the 'internal' (=BNC) transceiver or the AUI (15-pin) interface with an external transceiver? - between the wire and the SPARC - well, eh, is it plugged in? If BNC, is the coax terminated both sides? etc. Could be a problem in the Sun as, wel... > >Guy Berliner >-- >Finger berliner@netcom18.netcom.com for pgp key. Good luck! Ernst Lopes Cardozo
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