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Cocksy
Contributor
363 Views
Message 1 of 31

Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

Hi,

 

I've had Whole Home Wifi Premium for a number of years, and both the app and firmware are updated to the newest versions (SGAB20832C and 3.14.8). I recently changed from BT (using as SmartHub 2) to Sky as my ISP, both on FTTP.

The problem I'm now having after the change of ISP (and router) is that any devices connected to the WiFi network cannot see anything connected via ethernet cable, and vice versa. This was never an issue when using the BT SH2.

All devices have an IP address in the same group (192.168.0.x), and devices can see other devices connected via the same method (i.e. ethernet connected devices can see other ethernet connected devices), but nothing can see any devices connected by the other method.

Any ideas what is causing this, and how to rectify it? I've restarted the router and discs a number of times, but without success - I'd rather not factory reset if I can help it as I have a number of groups and names all saved which I'd rather not re-enter unless there's no other way! Thanks in advance.

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30 REPLIES 30
stevebrass
Recognised Expert
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Message 2 of 31

Re: Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

Are the Wi-Fi devices attached to the disc’s guest network?

 

Is there a network map on the router that shows connected devices?

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Cocksy
Contributor
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Message 3 of 31

Re: Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

Hi @stevebrass,

No, I don't have the guest network turned on and all wireless devices are connected to the main Wi-Fi network on the Whole Home Premium.

The new sky router shows all devices connected via both ethernet and WiFi, and all their IP addresses are in the same range (192.168.0.x).

[edited to clarify wireless devices]

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Cocksy
Contributor
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Message 4 of 31

Re: Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

anyone able to help out with this at all?

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stevebrass
Recognised Expert
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Message 5 of 31

Re: Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

I think you might need factory reset of the discs.

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Cocksy
Contributor
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Message 6 of 31

Re: Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

Ugh - that's quite frustrating!

I'm guessing there's no way to save the groups and restore those settings only after a factory reset?

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Cocksy
Contributor
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Message 7 of 31

Re: Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

So the backup and restore functionality on the app seems to cater for exactly this, so i tried it and it worked.

However, factory resetting the discs hasn't fixed the issue of ethernet connected devices communicating with wirelessly connected devices.

Any other ideas on how I might be able to work out what's wrong and fix it?

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Les-Gibson
Recognised Expert
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Message 8 of 31

Re: Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

I have no knowledge at all of the BT whole home products so this is purely a guess, don't shout at me if I'm wrong.

It sounds like your ethernet and Wi-Fi are operating on different sub-nets but this is where the guessing comes in because I have no idea how the whole home network gets it's network address, my thinking is that all your ethernet devices are, as you say, using subnet 192.168.0.xxx but your wholehome system is using (say)192.168.1..xxx


       
                                                     If the Smart Hub 2 is BT's best hub yet then what does that say about its predecessors ?
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Cocksy
Contributor
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Message 9 of 31

Re: Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

That is indeed the first thing I thought of, however all the devices have IP addresses in the same range 192.168.0.x.

If I connect one of the wireless devices to the WiFi on the sky router, it can see the devices connected via ethernet, but if it's connected to the whole home WiFi it can't.

There must be some way to sniff / search / investigate the network settings to identify what is causing this?!

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Les-Gibson
Recognised Expert
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Message 10 of 31

Re: Whole Home Wifi Premium cannot see devices connected to wifi / ethernet when on other connection

The only other thing that comes to mind is the subnet mask, have you customised it or are you using the default


       
                                                     If the Smart Hub 2 is BT's best hub yet then what does that say about its predecessors ?
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