Zero windows in SUN Unix

William C. VerSteeg (dcatla!
3 Feb 88 19:18:16 GMT

I am testing a new terminal server and have run into a problem with
TCP windows closing.

I have noticed that SUN Unix 4.2 rel3.2 doesn't open its TCP window
without prompting. If the SUN closes its window, and it stays closed
long enough for a few "polling" packets to pass by, data flow ceases.
The window stays closed until
a rather long timer on the terminal server expires and it sends
another short exploratory packet. This causes aggravating data stoppages.

Is this closed window scenario common? Would it be advisable to reduce the
terminal server's timer length from 2 minutes to something like 10 seconds?

Thanks in advance
 Bill VerSteeg

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