Losing connection to wireless internet when computer goes to sleep

I have a Macbook, with OS 10.5.6. I connect to internet via airport connected to internet via belkin router. When I close my macbook to put it to sleep i keep losing the connection to the internet. The airport is connected, its only the internet connection that is lost.the only way round this is to restart the airport or belkin router, when the connection is restored. does anyone know a solution to this problem?

Similar symptoms here. Fortunately my MBP "recovers". When I made some experiments with VPNs yesterday, I noticed, when switching the network environment, that the computer is requesting a new IP address. Maybe this will also happen when the Mac wakes up? And maybe the router doesn't respond properly? I would try to set a fixed IP and see what happens then.

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This question was solved.
View Solution.

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Link 1
Link 2
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http://www.actualtools.com/?ref=aim814_prg

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I have been putting up with a nagging problem that I hope someone can help solve. (I asked about this earlier and thought the problem had been solved, but it has not.)
Periodically when I start work after my notebook has been asleep, I am asked to reconnect to my wireless network. It doesn’t happen every time, and I have not been able to discover a pattern. I am also asked to re-enter my password, even though it is in my keychain and I always check the “remember this password” box. “Ask to join new networks" is not checked in the Advances pane, "Remember any network this computer has joined" is checked, and in the list of preferred networks, my home network is the top one.
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Charles

Are you using TC as your router? Or do you have another router?
If another router, update the firmware for starters.

Losing connection to wireless internet when computer goes to sleep

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