Strange problems with TCP/IP
Bob Page
page at ulowell.UUCP
Wed Aug 6 02:44:27 AEST 1986
Configuration: VAX 750, Ultrix V1.0, 6MB memory, 2 RA-81s, TU-80,
Old Interlan (link-level) Ethernet board, 3 DMF-32s.
Problem: Ethernet doesn't seem to fully communicate.
Symptoms: Power failure/surge (down for about 2 secs) the
other night, and when the machine came back up we
lost most of our Ethernet on this machine (other
machines are fine). However, rwho and ruptime
work OK coming in; that is, I can type either and
get a report of the whole network, as normal. The
other nodes don't get messages from us, and the
other utilities (r, ftp, telnet) don't work in or
out of the machine.
I've checked all the config files (hosts, services, protocols, etc);
nothing has changed from the time it worked and the time it didn't.
All daemons have been restarted, etc.
I would suspect a bad Interlan board or transceiver except that
other hosts can send rwho/ruptime information to us! Local loopback
tests (mail, script, talk, phone, etc) work. netstat(1) acts as
if there are no problems.
Any suggestions? I don't have a network analyzer, nor sources, today.
Thanks in advance.
..Bob
--
UUCP: wanginst!ulowell!page Bob Page, U of Lowell CS Dept
VOX: +1 617 452 5000 x2233 Lowell MA 01854 USA
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