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ibrahim52Flag for United Arab Emirates

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Wireless issue DHCP works but no ping

A very very very strange issue is going on with one of my data point where I fix any wireless router, it works for half an hour max and than it stops responding. By "stop responding" I mean that the wireless works, I can even reconnect and get the DHCP but when I ping it says DESTINATION NET UNREACHABLE.

Than this issue remains until I hard re-set configure the wireless again, regardless with or without password security, it remains for half an hour or less than that and than it remains connected for users but they can't do anything.

During this issue if I am connected through LAN cable connected to the same wireless router, it works surprisingly but through wireless it remains the same.

My firewall is UNTANGLE and I haven't face such issues anywhere else in the premises.
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not even that responds
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my question was whether the AP is still accessible through LAN when the wireless stops responding
(GUI interface)
Oh yes sorry, yeah the GUI works if I am connected through LAN but if I try to use the same through Wireless it does not work. Its DSL-2750U which I am using.
Try changing channel on the wireless channel
Tried that already, Ill do one thing. I'd better upload the advanced wireless settings of DSL 2750U page screenshot.
Any ways I think the problem is solved by installing Indian firmware. I am going to give it a try for one whole week and will close this question.
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I was able to resolve the issue but always need EE experts comments to kick start.