Turning an old router into a fully functional one access point — is the most cost-effective way to expand your wireless network coverage in your home or office. Instead of throwing away an outdated device or letting it gather dust on a shelf, you can harness its potential to create a unified information space. This solution is especially useful for eliminating "dead zones" in distant rooms or the garage, where the signal from the main device simply doesn't reach.
The method involves the new device not creating a separate subnet with its own rules, but merely broadcasting the signal it receives from the main router. All clients connected to both devices will be on the same local network, making it easy to share files between computers and use network printers. The standard operating mode of the router is disabled., giving way to the function of a pure signal translator.
The setup process requires attention to detail, especially when it comes to IP addressing, but the results are worth it. You get stable internet access anywhere in the room without running long cables or purchasing expensive specialized equipment. The key is to prepare the configuration correctly to avoid address conflicts, which can bring down the entire network.
Equipment preparation and compatibility testing
Before you begin software configuration, you need to make sure that your hardware is physically suitable for acting as an access point. Almost any modern router, whether TP-Link, Asus or Keenetic, supports this feature, but the interface may differ. It's important to understand that for stable operation, it's recommended to connect the devices with a cable. LAN-LAN, although some models allow the use of WAN-port when configured correctly.
You'll need a computer or laptop with a network card, as well as a patch cord (Ethernet cable). Initially, it's best to connect the router you're configuring to the PC directly, without using the main router. This will eliminate IP address confusion and allow you to easily access the device's web interface. Make sure you know entry address to the control panel (usually 192.168.0.1 or 192.168.1.1) and authorization data.
If you can't connect to a cable, some modern systems allow initial setup via Wi-Fi, but this is less reliable. A wired connection ensures uninterrupted connections during critical configuration changes. It's also worth checking the firmware version: if it's too old, the access point's functionality may not function correctly.
⚠️ Caution: Do not connect the router being configured to the main internet cable of the provider until all settings are completed, otherwise an IP address conflict will occur and the network will crash.
Check the port markings on the back of the device. They are usually separated by color or labels. WAN (Internet) and LAN (Local). For a classic access point design, we'll need ports. LANIn some models, for example, Zyxel or old ones D-Link, there may be a physical switch for operating modes, which greatly simplifies the task.
Changing your IP address to avoid conflicts
The first and most critical step is to change the secondary router's local IP address. By default, most devices have an address 192.168.0.1 or 192.168.1.1If your main router has exactly the same address, then when they work together, address conflict, and the network will stop functioning. You need to change the secondary device's address so that it's in the same subnet, but not the same as the primary one.
To begin, log into the control panel of the router you plan to turn into an access point. Find the section usually called Network, LAN or Local area networkHere you need to change the last digit of the IP address. For example, if the main router has the address 192.168.1.1, then it is logical to set it for the access point 192.168.1.2 or 192.168.1.254The main thing is that the subnet mask remains standard. 255.255.255.0.
After saving the settings, the router will reboot, and you'll need to re-login to its interface using the new IP address. This is a mandatory procedure to ensure the uniqueness of each node on your home network. Without this step, data packet routing will be impossible.
It's a common misconception that you can simply leave the IP address set to automatic, but for a control device, a static address on the local network is essential. This allows you to return to the access point settings at any time and adjust the parameters if necessary.
⚠️ Note: If you don't know the IP address of your main router, look it up in your computer's network connection settings or on a sticker on the bottom of the main device.
In some advanced models, such as Mikrotik or UbiquitiThis process may seem more complex, but the principle remains the same for all vendors. A unique IP is the foundation for the stable operation of any composite network.
Disabling the DHCP server on the secondary device
The next most important step is to disable the service DHCP (Dynamic Host Configuration Protocol) on the router being configured. In standard mode, the router automatically assigns IP addresses to all connected devices. However, in our setup, only one router (the primary router) remains the "master" router, which is responsible for managing addressing. If DHCP is left enabled on both devices, clients will receive incorrect gateway and DNS settings, resulting in internet inaccessibility.
You can find this option in the section DHCP Server or Local Area Network -> DHCPYou need to uncheck the box. Enable (Turn on) or select mode OffAfter applying the settings, the router will stop issuing addresses and will begin functioning solely as a switch and Wi-Fi signal extender.
That's why we changed the IP address in the previous step—so we knew where to look. Now all requests for an address will be ignored by this device and processed by the main router.
This procedure is universal for 99% of equipment. Whether it is a budget Tenda or corporate CiscoNetwork logic requires only one active DHCP server per segment. Violating this rule is the most common cause of connection issues in complex networks.
☑️ Checklist before connecting with cable
Setting up a wireless network and security
Now that the network logic is configured, let's move on to configuring the wireless module. Go to the section Wireless or Wi-FiHere you need to set the network name (SSID). You can name it the same as your main network so that devices can switch between them automatically (roaming), or give it a unique name so you know exactly which access point you're connected to.
Be sure to set up a strong encryption type. The current standard is WPA2-PSK or newer WPA3. Using obsolete WEP Using a private or open network is unacceptable, as it compromises the security of all transmitted data. Create a complex password consisting of letters and numbers to prevent unauthorized access by neighbors.
It's also worth paying attention to the channel selection and channel width. If you're in an apartment building, the airwaves may be clogged with signals from neighboring units. Use Wi-Fi analyzers (such as the app WiFi Analyzer on your smartphone) to find a clear channel (1, 6, or 11 for the 2.4 GHz band). It often makes sense to select a different channel for the access point than the main router to prevent them from interfering with each other if they are close.
Don't forget to save the settings. Afterwards, the router may prompt you to reboot. Make sure all settings are saved to the device's non-volatile memory. Your device is now ready to operate in the new mode; all that remains is to physically connect it to the infrastructure.
Why is WPA3 better than WPA2?
The WPA3 protocol provides stronger protection against brute-force password attacks and protects data even on open networks thanks to individual encryption for each device.
Physical connection and wiring diagram
After the software setup, the moment of truth arrives: connecting the cable. Take a patch cord and plug one end into any port. LAN the main router (which distributes the internet). The other end of the cable must be inserted into the port LAN a configurable router (the former WAN/Internet should not be used, unless the firmware has a special "Access Point" mode that automatically reassigns ports).
This is the scheme LAN-to-LAN Turns the second router into a simple Wi-Fi switch. All devices connected to both routers will be able to see each other and be on the same subnet. This allows, for example, for a laptop in the living room to transfer documents to a printer connected to the router in the office.
If your router has a special operating mode "Access Point Mode" in the system settings, then in this case the cable from the provider or the main router can be inserted into the port WANThe system will reconfigure the routing itself. However, the classic method is via LAN works on any equipment, even the most ancient, and is considered more reliable.
Place the access point in an area where the main router's signal is still present but weak. The optimal distance is midway between the signal source and the "dead zone." Avoid hiding the device in metal enclosures or behind mirrors, as this significantly reduces coverage.
| Parameter | Main router | Secondary router (Access point) |
|---|---|---|
| IP address | 192.168.1.1 | 192.168.1.2 (static) |
| DHCP Server | Enabled | Disabled |
| Connecting the cable | LAN port | LAN port |
| NAT function | Active | Not active (transparent mode) |
Diagnostics and troubleshooting
After assembling the entire system, typical issues may arise. If the internet is back online but devices can't see each other on the local network, check the firewall settings on the clients. Sometimes, antivirus software can block device detection on "public" networks, even though you now have a unified home environment.
If the Wi-Fi speed via the access point is significantly lower than directly from the primary router, check whether the secondary router is operating in 802.11b/g mode (the older standard), which is limiting the speed. In the wireless settings, force it to Mixed or 802.11n/acAlso make sure that the connection cable is in good condition and supports gigabit speeds (all 8 wires must be intact).
If you lose access to the access point's settings, temporarily disconnect it from the main network and connect your computer directly to its LAN port. Manually assign an IP address from the same subnet (e.g., 192.168.1.10) to the PC's network card, and you'll be able to access the web interface again using the address you specified earlier.
Sometimes a full reset helps (Reset) of the secondary router before starting setup to eliminate any errors from previous configurations. Hold the reset button for 10-15 seconds while the power is on, wait for it to reboot, and then start setup from scratch.
⚠️ Note: Router interfaces may vary from manufacturer to manufacturer. If you can't find the steps described, please refer to the official documentation for your model or search for interface screenshots for your specific firmware version.
Frequently Asked Questions (FAQ)
Is it possible to connect routers via Wi-Fi without a cable?
Yes, this technology is called WDS (Wireless Distribution System) or Repeater/Bridge mode. However, connection speed in this case can drop by up to 50%, since the radio module is both receiving and transmitting. A wired connection is always preferable for stability.
Will devices see a printer connected to an access point?
Yes, they will. Since DHCP is disabled on the access point, all devices are on the same local network (single segment). A computer connected to the main router will easily see a printer connected via USB or LAN to the access point.
Do I need to reset my Wi-Fi password?
Yes, the wireless network settings on the second router are independent. You can set the same name and password as the primary one for easier roaming, or create a network with a different name to differentiate them.
What should I do if the internet disappears on all devices after setup?
Most likely, there's an IP address conflict or you accidentally enabled DHCP on both routers. Disconnect the secondary router from the network, check the DHCP settings and IP address, and then reconnect it.