In today's digital space, a situation often arises when a device is connected to a wired network via a cable. Ethernet, but the user wants to forcefully switch to a wireless signal Wi-FiThis may be due to a desire to free up router ports, the need to test wireless channel speed, or specific software requirements that ignore the wired interface when a wireless one is present.
By default, operating systems such as Windows or macOS, prioritize a cable connection due to its theoretically greater stability and throughput. However, by changing the interface metric or adapter settings, this logic can be inverted. In this article, we'll detail the technical aspects of making WiFi the primary connection, bypassing the system's standard routing algorithms.
It's important to understand that a simple reconfiguration does not always guarantee a speed increase if the radio signal is weak. A wired connection physically cannot be completely replaced by a wireless one without losing ping stability in conditions of strong interference.However, for most surfing and streaming tasks, setting WiFi priority will allow you to effectively use this connection.
Technical aspects of interface metrics in Windows
operating system Windows uses a special parameter called the "interface metric" to determine the priority of network connections. The lower the metric value, the higher the priority of a given connection for the system. To make WiFi the primary connection, we need to artificially lower the metric for the wireless adapter and increase it for the wired one.
This process requires access to the Network Control Panel, where advanced protocol settings are hidden. TCP/IPv4Don't be intimidated by the abundance of numbers; the key is to follow the steps in sequence. Changing these parameters affects the routing table, forcing the computer to send internet requests through the gateway you selected.
What is an interface metric?
The interface metric is a numerical value the operating system uses to determine the priority of a network connection. A lower number indicates a higher priority. If you have both WiFi and a cable connection, the system will choose the interface with the lower metric.
It's important to note that after applying the settings, you may need to reconnect to the network or even reboot the device for the changes to take effect. If you're using a corporate network, such actions may be blocked by your administrator's security policies.
Step-by-step instructions for setting priority in Windows 10 and 11
First, you need to open the classic control panel, as in the new interface Parameters These settings are often hidden. Press the key combination Win + R and enter the command ncpa.cplThis will open the Network Connections window, which will display all active and inactive adapters.
Find your wireless adapter (usually called "Wireless Network" or Wi-Fi). Right-click on it and select "Properties." In the list that opens, find the line "Internet Protocol Version 4 (TCP/IPv4)," select it, and click "Properties" again. In the lower-right corner of the new window, click "Advanced."
At the very bottom of the additional settings window, you will see a checkbox labeled "Automatically assign metrics." Take it offIn the "Interface Metric" field, enter the value 10This will ensure high priority for WiFi. Now repeat the same steps for your Ethernet adapter, but in the metric field, enter the value 100 or higher.
βοΈ Checking the priority setting
After saving the settings, the system will recalculate routes. You may notice a brief connection interruption. Make sure the WiFi icon in the system tray shows an active connection, and the wired network icon may show limited access or remain active but will not be used for primary traffic.
Setting network priority on macOS
Computer users Apple You can also manage the order of services. In macOS, this is done through System Preferences, where you can manually drag and drop services to change their priority. This is a more intuitive process than in Windows and doesn't require manually manipulating numerical metrics.
Open System Preferences and go to the Network section. On the right side of the window (or in the list on the left in newer versions of macOS), you'll see a list of all available interfaces. Click the three-dot button or the gear icon to find the "Set Service Order" menu.
In the window that opens, simply drag the line Wi-Fi to the very top of the list, higher than Ethernet or USB LANClick "OK" and then "Apply." Now macOS will always try to use a wireless connection first if it's available and has internet access.
β οΈ Note: On some versions of macOS, changes take effect only after completely turning the Wi-Fi module off and on again or restarting the computer.
If you use third-party network management utilities, they may intercept these settings. In this case, you should look for priority in the manager's interface.
Managing connections on Android and iOS
In mobile operating systems the operating logic is different. Android And iOS By default, they prioritize WiFi if it's connected, ignoring mobile data. However, if an Ethernet cable is connected through USB-OTG adapter, the behavior may vary depending on the OS version and smartphone model.
On Android Starting with version 11, network priority settings can be found in the developer menu. To do this, enable developer mode by quickly tapping the build number seven times in the "About phone" section. Then, in the developer menu, look for a network-related option, such as "Always-on VPN" or "Mobile network settings."
- π± On Android: Go to
Settings β System β Developer Optionsand look for options to manage network interfaces. - π On iOS: There is no direct priority setting; the system decides for itself, but when connecting Ethernet via an adapter, WiFi often turns off automatically.
- βοΈ Universal Method: Using the App WiFi Priority or similar programs that require root access for deep configuration of the routing table.
It's worth remembering that mobile devices drain their batteries faster when Wi-Fi is active, especially if the signal is weak and the device is constantly searching for a better access point. Forcing Wi-Fi on when a cable is connected may not be energy-efficient.
Diagnostics and routing verification
After making all the changes, you need to verify that the system is actually using WiFi for data transfer. Built-in diagnostic tools allow you to see the active data packet route.
Open the Command Prompt (CMD) or Terminal. Enter the command ipconfig /all (on Windows) or ifconfig (on macOS/Linux). Find the section corresponding to your WiFi adapter and check if it has an IP address and default gateway assigned.
For a more in-depth check, use the command route print (Windows) or netstat -rn (macOS/Linux). You are interested in the line with the assignment 0.0.0.0 (or default). The "Gateway" column should contain the IP address of your router corresponding to the WiFi interface, and the "Metric" column should contain the lowest value.
| Parameter | Importance for WiFi | Meaning for Ethernet | Status |
|---|---|---|---|
| Interface metrics | 10 (High priority) | 100 (Low priority) | Configured |
| IP Address | 192.168.1.X | 192.168.1.Y | Actively |
| Default Gateway | 192.168.1.1 | 192.168.1.1 | Verified |
| Connection speed | 866 Mbps (example) | 1000 Mbps | Works |
If the default gateway in the routing table points to Ethernet, the metric settings weren't applied correctly. Try disabling and re-enabling the network adapter.
Compatibility issues and possible errors
Not all network drivers handle manual metric changes correctly. Some network card manufacturers, for example, Realtek or Intel, may have their own management utilities that overwrite Windows system settings every time you log in.
A common problem is IP address conflicts, where both interfaces receive addresses from different subnets, but the system attempts to proxy traffic incorrectly. Antivirus programs and firewalls can also block priority changes, considering them suspicious activity.
β οΈ Note: Driver interfaces and settings menus may vary depending on your operating system version and hardware manufacturer. Always consult the documentation for your network adapter.
On corporate networks, using personal priority settings can violate security policies, as traffic can bypass controlling gateways. Use caution when configuring work computers.
Optimizing wireless signal for stable performance
Once you've made WiFi your primary connection, you need to be sure of the signal quality. While a wired connection was a backup in case WiFi dropped, WiFi now becomes critical. Make sure your router supports the standard. Wi-Fi 6 (802.11ax) for maximum speed.
Use the 5 GHz band instead of 2.4 GHz, as it's less noisy and provides higher throughput, which is critical when WiFi is your primary connection. Place the router closer to your workstation or use a mesh system for uniform coverage.
- π‘ Update your router firmware to the latest version to improve stability.
- π Use a Cat6 or higher Ethernet cable to connect the router itself to the ISP.
- π‘οΈ Check WiFi channels and choose the one that is least congested by your neighbors using special analyzer apps.
Regularly check your connection speed using services like Speedtest to ensure that WiFi priority isn't becoming a bottleneck for your internet.
Is it possible to completely disable Ethernet so that only WiFi works?
Yes, you can physically disconnect the cable or programmatically disable the Ethernet adapter in the device manager or through ncpa.cplHowever, setting the priority (metric) is preferable, as it leaves the cable as a backup channel in case of WiFi failure.
Why do some programs still go through the cable after setting the priority?
Some applications have hardcoded network paths or use specific sockets that ignore the standard OS routing table. This could also include DNS or IP address caching.
Does setting the metric affect loading speed?
The metric itself doesn't increase speed; it only selects a path. If the WiFi signal is weaker than a cable connection, speed may drop. If the WiFi signal is excellent, speed will remain high, but stability (ping) may be worse than with a cable connection.