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ISA500 / ISA570W Wifi woes

Hi,

 

We have an ISA570w but the wifi has issues dropping out, during the "drop out" users are still connected but performance drops to the point that pinging a (wired) machine takes 7ms!

 

I have checked the firmware and it is up to date (1.2.20) the logs is full of messages about not being able to phone-home but nothing about wifi or networking (the phoning-home problem apparently is about DNS so not related)

 

Has anyone any ideas either or how to fix this or diagnose it?

 

  • Small Business Routers
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