Airport express wireless connection freezes SSH connection - any fixes?

airport express wireless connection freezes SSH connection - any fixes?
so i am using an airport express and remotely access computers/servers via SSH. port forwarding is set up and the computer has a fixed local IP address.
if i continue to issue command in the shell, then the connection persists. however, if i leave it idle for some amount of time more than a half an hour, both terminal and xterm (X11) freeze for a considerable amount of time. then they time out and return to a active shell on the local computer.
i have since determined that this does not occur if i am using a direct (built-in) ethernet connection.
is this problem fixable? are there settings in airport admin utility that can be changed to prevent this from occuring?
any advice or pointers would be tremendously appreciated
stefanos

hi bill,
thank you for the suggestion. i added the lines to my .ssh/config file and so far it seems to have solved the problem.
i'll evaluate it over the next few days and post back if i notice any problems. it seems to achieve what i was thinking at least conceptually. to somehow, while idle, send something to ensure the connection stays alive.
many thanks for the solution. it's been a nagging issue and it's great to be likely rid of it.
stefanos
Powerbook G4 & iMac G5 :: Mac OS X (10.4.9)

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