SRW2024 Ports lose comms after power cycle

Hi
We have a medium size network consisting of about 25x SRW2024 switches and 8x SGE2000 doing the routing in layer 3 mode. We have about 100 vlans in total and everything is setup and all works fine until we have a power issue. Sometimes when the power is turned off to certain layer 2 switches for about 10 min or more and then back on sometimes the devices connected to them will not communicate. I can see them connected if I go into the webpage of the srw2024 but no communication until I power cycle the device connected. Is this a problem with the device conected or with the srw2024?
This doesn't happen all the time but cannot find any settings that might cause this. The ports on the switch are set to 100m speed and mdix.
Any help would be appreciated.
Darren

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SRW2024 Ports lose comms after power cycle

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