Conflict when using both ethernet and wifi

Hello

My PC is (Ethernet) cabled but i also need it to be simultaneously on WIFI in order for my Iphone to sync automatically/wireless with Itunes.
(Itunes only syncs wireless if both PC and phone are on WIFI)

I've disabled "Priority & VLAN" on the ethernet network card, but my WIFI does not have such setting.

The problem: When I use my PC , at some point it will cut off ethernet, leaving only WIFI
However, via WIFI i do not have access to our work server....

Also, although ethernet is cut off, it still says under network connections that it's connected.

Any help would be appreciated.

EDIT: in fact I do still have access to the server, but it's my mail application that can no longer connect;

We have a mail system that runs on our server and i connect by starting and .EXE file on my pc
When Itunes starts syncing it interferes with this program causing it to malfunction

Try this

thanks,
I did this for the ethernet, but wifi does not have this setting
the second part "how to manually set network priority "doesn't apply to my case

​

There is a fundamental problem here. You cannot put the WiFi adapter and Ethernet in the same PC on the SAME network and expect them to work simultaneously. The problem is that if both adapters are on the same network, Windows has no way to determine which adapter to use so it's simply not a valid configuration. Yes, there are exceptions to this. For example, some Ethernet adapters allow for "NIC Teaming" or joining of multiple adapters together to act as one "team" but this is not the case for just any random set of adapters.

As for the original issue - I'm not buying the premise that the iPhone and PC both have to be on WiFi in order to perform a sync. Why should the iPhone care? So long as it is on an IP network that can reach the PC it wants to sync with, why should it care if the PC is connected via Ethernet or WiFi? The only reason that I could see for this would be if your router was purposely configured to segregate WiFi and Ethernet so that these are treated as two separate networks.

As an example, I'm guessing that your iPhone can probably connect to the Internet over your WiFi network. The instant your iPhone hits the router, everything beyond that is no longer WiFi. Why should it be any different for iTunes?

This sounds more like a configuration problem than anything else.

If it is for some reason absolutely necessary to have the WiFi and Ethernet adapter in the PC active at the same time, then the WiFi and Ethernet adapters should be configured as two separate and distinct networks.

I am not an expert at all, so am sure what you say is true

But as i saw quite a few posts mentioning that this is possible and that the router is able to "separate" the 2
(though clearly that's not happening in my case)

As for the itunes matter: it did work before via ethernet and wifi, but since we changed internet provider it no longer does.
So when i tried to find a solution, i saw several mentions that it only works via wifi and I thought maybe apple changed something recently...

We have only one box (router/access point) so why it would separate wifi & ethernet is beyond me

Noge said:

thanks,
I did this for the ethernet, but wifi does not have this setting
the second part "how to manually set network priority "doesn't apply to my case

​

Click to expand...

I changed the setting for my ethernet but could not find this setting on my wifi adapter but it's working, at least I see both connections when I 'hover' over the network icon in the system tray.

Update: I see now the wifi is not carrying any traffic

My PC keeps dropping the WiFi connection..., makes using Logitech Flow a p-i-t-a!!!

Taking @hsehestedt 's advice, I connected via wifi to one router and ethernet to another. This made no difference until I bridged these connections. Now both are carrying traffic.

In fact , all works fine with both ethernet & wifi on; my iphone syncs with itunes & i have internet.
But it can not connect to the external server (and thus also no access to our communication system)

I tried to bridge both, but then i no longer have internet

And can not find any setting in the router that seperates wifi & ethernet

Guess i will have to dig up my Iphone Cable ....

Just to follow up : our new internet box is sitting before our firewall, so that's why the wifi was seperated .
Have now switched off the wifi on it and reconected our old wifi acces point to our switch (after the firewall)

Old thread but, I thought some one might bet interested.
I wanted to use ethernet for internet, wifi to connect to my printer.
This has been working.
Win 11 Pro -
Group policy editor

Computer Config
Admin Temp
Network
Windows Connection Manager
Minimize the number of simltanious connections (Disable)

Win 11 Home or Pro-
Winearo has a linked to the registry files

I then created a task to log into wifi with ethernet connected

Task scheduler
Create Task

Name -- Wifi
Trigger -- at logon

Action -- Start a program -- netsh

Argument -- wlan connect name=(network Name)

Any Member said:

Old thread but, I thought some one might bet interested.
I wanted to use ethernet for internet, wifi to connect to my printer.
This has been working.
Win 11 Pro -
Group policy editor

Computer Config
Admin Temp
Network
Windows Connection Manager
Minimize the number of simltanious connections (Disable)

Win 11 Home or Pro-
Winearo has a linked to the registry files

Download Minimize the number of simultaneous connections to the Internet in Windows 10

Minimize the number of simultaneous connections to the Internet in Windows 10.Use these Registry files to minimize the number of simultaneous connections

winaero.com

I then created a task to log into wifi with ethernet connected

Task scheduler
Create Task

Name -- Wifi
Trigger -- at logon

Action -- Start a program -- netsh

Argument -- wlan connect name=(network Name)

Click to expand...

I don't understand why any of that would be necessary. Almost every PC in my house is hardwired to the ethernet. Other devices, like my printers are connected via WIFI, to this same network. I can print no problem from my PC's on my LAN to my wireless printer.

They just have to be on the same network, which they are pretty much with any consumer grade wireless setup by default..

That must have been my problem. Ethernet is from Xfinity's box with Wifi turned off.
Wifi is from TP-Link router in the middle of the house.

On my laptops, connecting Ethernet disabled WiFi. This is the default Windows behaviour.

Maybe there is some confusion. I have wifi in my house but also the option to connect a laptop directly to the router with an ethernet to USB adapter. If I connect this to one laptop, then wifi is disabled ONLY on that laptop. Other devices are not affected.

kelper said:

Maybe there is some confusion. I have wifi in my house but also the option to connect a laptop directly to the router with an ethernet to USB adapter. If I connect this to one laptop, then wifi is disabled ONLY on that laptop. Other devices are not affected.

Click to expand...

That is what was happening to me on my dessktop. So, to use the printer I was using the slower wifi connection.
Now I don't have to.

My setup is as follows:

Cable coax comes in from my ISP > Motorola Cable Modem > Google WiFi Router > 8 port Gigabit switch. (Uplinks to an 8 port switch upstairs, and another 8 port network switch in my office).

Most of my PC's, TV's, Game Consoles, Home Theater Receiver all plug into the switches directly. But the key is that it's my Google WiFi router handing out IP's on the network. From my routers perspective, it doesn't know/care if the DHCP request is coming from wireless or a wired connection....both a wired and a wireless client is on the same network. Wired and wireless devices should be able to see each other from the same network. It's just like if I stream from my cell phone to my TV...my cell phone is obviously on wireless, but my TV in my case is hardwired in. But they are both on the same IP network (for example, 192.168.0.0/24). And I can talk between them, no problem. Same with a hardwired computer talking to my wireless printer.

My HTPC is the only one using the TP-Link ethernet.
I'l have to check if it can see the printer without Wifi

kelper said:

On my laptops, connecting Ethernet disabled WiFi. This is the default Windows behaviour.

Click to expand...

That is not default Windows behavior.
I have a newer Dell laptop and I can have both Ethernet and WiFi connected at the same time. I wanted to change that so that the WiFi disconnected when I plugged in the Ethernet cord.
I did manage to do exactly that. It was a setting in the BIOS that says disable WiFi when the cord is connected. So if yours is doing that I would check the BIOS and see if that setting is enabled.

On some systems, Like HP and Dell for example, in the bios you need to check to allow simultaneous connections. Or it might be called LAN/WLAN switching. With this default being off, it only allows one connection at a time and auto switches the other off. Windows won't disable anything on its own, it is almost always down to a bios setting.