Re: Wierd Telnet problem

Andrei,
We had the same problem one time and determined that a UPS that served the
Ethernet switches was failing and cycling the switches.
Hope this helps.

-----Original Message-----
From: Andrei Centea <acentea@canadelle.com>
To: MIDRANGE-L@midrange.com <MIDRANGE-L@midrange.com>
Date: Monday, January 31, 2000 4:57 PM
Subject: Wierd Telnet problem


>Hi all
>
>Take a look at the strange behavior on one of our AS/400 systems today.
>
>We have 3 systems on-site, all V4R3 and the same CUME (not the last). Every
>system has 2 Ethernet cards. On the main production box only, the telnet
>connection is dropping since this morning.
>
>TCP/IP on the system is on. PING & FTP are working. The TELNET is started
>(we even ended and started it twice and OPNAV sees it started). But
>Microsoft TELNET is failing every time. Our sessions (Client Access &
Client
>Express) are connecting extremely slowly. More of that, CWBPING is crashing
>on the TELNET service ... but sometimes it works!
>
>I don't have any trace on the system; the QHST, QSYSOPR MEGQ and QTCP MSGQ
>are clean. On the PC side, the CA logs keep pointing me to the CWBC01003
>error (10060 returned) as if the name resolution is not done.
>
>But this is OK, a DHCP server which works fine for all our servers and
>AS/400 makes it. Otherwise the connection would have ALWAYS failed, not
only
>SOMETIMES. And, it's happening only on ONE system of three, after years of
>stability.
>
>I did a checklist and verified all things related to IP, IP servers, CA
host
>servers, host files and so on. Still, it fails. And weird, all neighboring
>systems are well and fine.
>
>
>
>
>
>Some ideas?
>
>
>
>Thx
>
>Andrei Centea
>Sara Lee Branded Apparel of Canada
>Montreal
>514-723-8428
>acentea@canadelle.com
>
>
>
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