Help to Avoid Idle Telnet Session Timeout

I have an  AIX server with Oracle and will either Telnet (Powerterm) or SQLPlus to the server frequently.

My Network group recent switched my connection over to a new segment.  Ever since then, my telnet session and SQLPlus sessions will timeout within a minute of idleness.  It is this way for two of us in our office but one of us isn't having the problem.  So it seems the issue is not with the OS.  I am also using the same Powerterm config files for the session so it can't be my Powerterm configuration.

But that's not my question.  Here's my question:
While I wait for the network guys to figure this out, I need to figure out how to keep my telnet session alive.  I just can't work this way!

Is it possible to create something that the profile or the OS will execute every 30 seconds or so to keep a telnet session alive?  Something that won't interfere with my work but keeps my session alive?  Otherwise, I have to remember to press <enter> every 30 seconds or have to login again and again....

Any suggestions?
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vocogovAsked:
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omarfaridConnect With a Mentor Commented:
look at you firewall setup.

When you are working with vi , etc. then you don't need to run this loop. You can keep the loop in a file and run it when it is needed.

The best solution is to get it fixed in the firewall
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omarfaridCommented:
you can have a script running in the background that will echo say . every 30 sec:

while true
do
   echo .
   sleep 30
done &
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omarfaridCommented:
This could be a firewall config issue
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vocogovAuthor Commented:
Thanks!
How would I make it run?   Is it something I put into the profile?  Or cron for that user?
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vocogovAuthor Commented:
I'll need to set it to run for the Root login as well as for my personal login.
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omarfaridCommented:
try to add it to your .profile file and those users that need it. otherwise add it to /etc/profile
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vocogovAuthor Commented:
It seems to be working very well for my root login.

However, I was having trouble exitting my root login.  Each time I'd type 'exit', it would tell me I had jobs running.  After serverl attempts, it finally let me exit.  What do you think?

One of my logins uses csh and gave me an error upon login.  I'm not sure how to adjust the syntax. Here's the error message (it's just one line):

while: Expression syntax.

Thank you!
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vocogovAuthor Commented:
Gotta go now so you won't hear from me until the a.m.  Thank you for your help. :)
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omarfaridCommented:
you may press control D two times or if you use ksh or bash use fg command then press control C then control D. for csh please see the man page of csh to see the syntax and you can include in .login file
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vocogovAuthor Commented:
I'm looking up the csh info now.

Is it possible to distinquish between a telnet and a console/terminal session and only have the echo command send for a telnet?
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vocogovAuthor Commented:
I don't think this solution is going to work very well.  While in the vi editor, it makes it nearly impossible to work on a file as it pastes characters and echoes the '.'  wherever you happen to be trying to type.  This is just as frustrating as having to logon all the time.

Is there another solution?
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vocogovAuthor Commented:
Running this loop from a script everytime I think I'll be pausing to read something or answer the phone isn't going to work well.  I was hoping it would be something behind the scenes that wouldn't interfere with me as I was working.

The network guys finally were able correct the issue a minute ago.  Seems my desktop was set to use an ISA server.  They disconnected it and now I stay connected to my telnet session.

I appreciate your quick response and script.  I'm not sure how to award points.  You submitted solutions that were somewhat helpful but not practical for me.    Will ask EE for suggestions.
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