Many users face a situation where their internet provider provides a basic modem with limited capabilities, while their old router from the previous provider gathers dust in a closet. Instead of buying new, expensive equipment, you can use your existing resources efficiently. Transformation a regular router into a full-fledged access point or signal booster—this is an economical and technically sound solution for expanding the coverage area of your home network.
The basic idea is to change the device's operating mode. A standard router is designed to distribute the internet to multiple devices, creating a local network, but its functionality is often broader. By switching the device to the mode Access Point (access point) or Repeater (a repeater), you can extend your WiFi signal to remote rooms or create a single, seamless network. This is especially useful in multi-story buildings or offices with thick walls, where the main modem's signal simply can't penetrate.
The setup process requires a basic understanding of IP addressing and access to the device's web interface. You don't need advanced programming knowledge, but careful entry of parameters is essential. In this article, we'll cover how to reconfigure routerso that it works in conjunction with the main modem, providing stable access to the network in all corners of the room.
Equipment Compatibility Assessment and Preparation
Before you begin setting up, you need to make sure your equipment supports the required operating modes. Not all router models, especially older or budget ones, have built-in access point or client functionality. The first step is to study the technical documentation or search for the model on the manufacturer's website. Key terms to look for in the specifications are AP Mode, Bridge Mode or Wireless Distribution System (WDS).
It's also important to check the availability of physical ports. For a classic cable connection, you'll need a free LAN port on the primary ISP modem and at least one LAN port on the router you're reconfiguring. If you're planning a wireless connection, make sure the antennas are working properly. A visual inspection and complete package check is an important step that's often overlooked.
⚠️ Attention: Firmware interfaces can vary significantly depending on the software version and manufacturer. If you don't see the items described below, check for firmware updates on your device manufacturer's official website.
For successful setup, you'll need a computer or laptop with a network adapter. Connecting a smartphone is possible, but less convenient due to its small screen and the lack of some diagnostic tools. Prepare an Ethernet cable in advance, which is usually included with the device, or purchase a high-quality Cat5e or higher patch cord.
Reset settings and enter the control panel
The first and mandatory step is to completely reset the secondary router to factory defaults. This will clear the configuration of old provider settings that may conflict with the new operating scheme. On the back of the device, locate the recessed button labeled Reset or WPS/Reset.
Press this button with a paperclip or a thin needle for 10-15 seconds until the LEDs on the router case flash simultaneously. The router will then reboot. Now you need to connect your computer to one of the LAN ports of this device using a cable. Make sure your computer's network card is configured to obtain an IP address automatically (TCP/IPv4 protocol).
Open any browser and enter the router's IP address in the address bar. Most often, this is 192.168.0.1 or 192.168.1.1The exact address, as well as the default login and password, are indicated on a sticker on the bottom of the device. The default credentials are often a pair admin/admin or admin/password.
☑️ Preparing the router for reconfiguration
Setting up Access Point mode
Reim Access Point is the most stable way to use an old router. In this mode, the device receives internet from the main modem via cable and distributes it via WiFi. Go to the operating mode settings section. In the interfaces TP-Link it's in the menu Operation Mode, and in Asus — in the section Administration → Operating Mode.
Select an item Access Point or Access point. After applying the settings, the router may reboot. It is important to change the IP address of the device itself so that it does not conflict with the main router. For example, if the main modem has an address 192.168.0.1, ask the secondary one 192.168.0.250This will allow you to always have access to its settings.
Configure your wireless network settings: enter a name (SSID) and password. To create a unified namespace, you can set the same name and password as your main router, but use separate broadcast channels (e.g., 1, 6, and 11) to avoid interference.
After saving the settings, connect the primary modem and the configured router with a cable. Plug one end of the cable into the LAN port of the primary device, and the other end into the WAN (or LAN, if AP mode doesn't automatically reassign ports) port of the secondary router. If everything is done correctly, the WAN indicator will light.
Using the router in client or bridge mode
If it is not possible to lay cables between rooms, you can use the mode Client or Wireless Bridge. In this mode, the router connects to the main modem's WiFi network over the air and distributes internet through its LAN ports or WiFi. This is ideal for connecting game consoles or Smart TVs that lack powerful built-in WiFi modules.
In the settings menu, select the mode Client or Wireless bridgeThe device will scan for available networks. Find your primary network in the list, select it, and enter the password. Once the connection is established, the router will function as an adapter.
⚠️ Attention: When operating in wireless client mode, the internet speed on connected devices may be lower than with a cable connection due to signal loss and the specifics of the data transfer protocol.
Some advanced models, for example, from Keenetic or MikroTik, allow you to set up more complex schemes, such as a WDS bridge, which forwards clients' MAC addresses. This allows all devices to be on the same subnet, which is convenient for local file sharing or printing.
What is the difference between Client and Repeater mode?
In Client mode, the router distributes internet only through its LAN ports (Wi-Fi may not work, or may only work separately). In Repeater mode, it receives Wi-Fi and distributes it further, expanding coverage, but often cuts speed in half.
Setting up a repeater mode to expand coverage
Mode Repeater A repeater is designed to increase the range of a wireless network. The router receives the signal, amplifies it, and then broadcasts it further. This is the easiest way to eliminate "dead zones" in an apartment without running wires. However, it's important to remember that each hop through the repeater can reduce the overall channel throughput.
Activate the function Repeater or Range Extender In the wireless settings, select the network you want to extend and enter the security key. The device will connect to the main router and begin rebroadcasting the signal. Place the router halfway between the main signal source and the area of poor reception.
For optimal performance, it's important that the signal strength from the main router at the repeater installation point be sufficiently strong (at least 2-3 bars on the scale). If the input signal is weak, the noise will be amplified, leading to network instability.
A comparison of the main operating modes is presented in the table below for ease of selection:
| Opening hours | Connecting to the main router | Stability | Speed |
|---|---|---|---|
| Access point (AP) | Cable (LAN) | High | Maximum |
| Client | WiFi | Average | Average |
| Repeater | WiFi | Medium/Low | Reduced (up to 50%) |
| Bridge (WDS) | WiFi | Depends on the equipment | High (if compatible) |
Disabling DHCP server to avoid conflicts
One of the most critical points when turning a regular router into an access point is disabling the service DHCPAny local network should have only one server distributing IP addresses. Typically, this role is performed by the ISP's main modem. If DHCP remains enabled on the second router, an address conflict will occur, and devices will no longer see the network.
Find the section in the menu LAN or Local area networkInside, find the settings. DHCP ServerSwitch the status to Disable or uncheck the box EnableSave the settings. After this, the router will stop issuing addresses and will simply transmit data packets, acting like a switch with antennas.
After disabling DHCP, to access this router's settings, you'll need to manually assign a static IP address to your computer within the same subnet, or remember the IP you assigned earlier. This is the standard procedure for all devices operating in a cascade.
⚠️ Attention: After disabling DHCP and changing the IP address, access to the router's web interface is only possible using the new address. Make a note of this address to avoid losing control of the device.
Frequently Asked Questions (FAQ)
Is it possible to connect two routers via WiFi without cables?
Yes, this is possible in Repeater, Client, or WDS Bridge modes. However, WDS often requires both routers, preferably the same model, to support the technology. Repeater mode is universal, but it reduces internet speed.
Why did the internet disappear after setting up the second router?
Most likely, there's an IP address conflict or the DHCP server isn't disabled on the second device. Check that the router addresses don't match, and make sure DHCP is enabled only on the main modem.
Does an old router affect the speed of a new internet connection?
Yes, it does. If your old router only supports the standard 802.11n (up to 150 Mbps), then even with a gigabit provider tariff, the speed through this router will be limited by its technical capabilities.
Do I need to update the firmware before reconfiguring?
Recommended. Software updates fix known security issues and may add new features or improve the stability of the wireless module.