Strange Android wif...
 

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Strange Android wifi dhcp behaviour

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Currently at a rental cottage with the mrs. Her iPhone logged on to the wifi with the password given fine. My Samsung Android phone logged on but claimed there was no internet.

After a rummage I discovered that all the IP addresses she was getting automatically were 192.168.1.whatever, whereas mine were 192.168.2.whatever. Changing the settings for my connection from DHCP to static, changing the 2s to 1s and making the last bit of my phone's ip address 1 more than my wife's seems to have got me an intetnet connection.

Any boffins got any idea what is going on here? I can't access the router to switch it off and on again, there appears to be an ethernet connection from outside to a plug top access point with another plug top device next to it. Turning them off and on didn't help.


 
Posted : 16/06/2023 10:28 pm
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Edit - double post removed…


 
Posted : 16/06/2023 11:16 pm
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Bit random, but your two phones might be connecting to different bandwidths. Erm, 2.5 or 5 I think it is. Some routers will let you assign different dhcp ranges to the different bands, the 192.168.2.x range in this case might have the wrong gateway address or something else random to stop your phone (or any other device on that band) routing out correctly, as it seems to have got a dhcp address ok.

maybe check the bands that your phones are defaulting too to check?


 
Posted : 16/06/2023 11:16 pm
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Interesting Peter, 192.168.[1,2,3].1 all show me an EE router login screen so you may be on to something. But I can't find a setting to set frequency.

Still, odd that Amdroid cannot negotiate a connection that works when such are available :/


 
Posted : 17/06/2023 9:09 am
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<p style="text-align: left;">Indeed. Really if what I describe is true you would hope that after authentication to the wifi and changing the ip address it shouldn't then allow the client to route traffic on the band allocated a different ip range.</p>
The samsung is probably doing its thing correctly and it’s the router that’s confusing things.

But there are so many possibilities of config and potential weirdness across all the flavours of kit.


 
Posted : 17/06/2023 12:59 pm

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