Connection to Oracle gets disconnected

Hi,
We are using Oracle 8.1.6 on Red Hat Linux 6.2 and for client we are using the Windows NT client.
The problem is that when connected to Oracle the connection is dropped, giving end-of-communication channel message (in SQL*Plus). I have checked the Listner status, up all day!!!. I checked all the Logs but in vain.
When I ping to the server it works fine, but when I telnet to server it gives error connection to server lost/failed.
This happens not only for Sql*plus but with other applications also.
Pl. help . Thanks in advance!
-Girish Shewale

This forum on connectivity solutions to non-Oracle systems. Your question would be best posted on the general 9iAS forum.

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