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I have a proprietary device with a static IP. I have connected this device to my wireless router through an ethernet cable. When I connect my laptop to the router via ethernet, I am able to access this static IP from my browser, but when I connect my laptop via wifi, I am unable to. Very weird. Someone help please.

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What router do you have ? – Lawrence Mar 26 '14 at 6:34
Check what IP address you are getting when you connect to wired or wireless mode. If they belong to 2 different subnet then you can't reach each other. – Chandrasekar Mar 26 '14 at 10:14

When you say the device to be accessed has a static IP, I assume you mean static within a subnetted LAN? That is with address 192.168.*.* or 10.*.*.*? If so, perhaps your router maintains two separate networks, one for wired and one for wireless? Like 192.168.1.* and 192.168.0.*? This would give a level of separation from things which are known to be in your house (hardwired), and things which may be out on the street (wifi). Compare your laptops IP address when connected via ethernet to when it is connected wirelessly.

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I wonder what IP u r saying. Hope didnt get confused between internal and external IP. Check ur external IP on both computers via , if they are not same can mean ur ISP allowed only one mac connection for static IP. Contact ur ISP about it or spoof ur laptops mac address. If that doesnt hrlp try digging in router and modem configuration page.

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