Many ASUS owners are familiar with the situation where the Wi-Fi signal fails to penetrate thick walls or disappears on the far floors of a country house. Instead of purchasing expensive mesh systems or running long Ethernet cables, you can establish a wireless connection between two routers, turning them into a single, powerful network. This solution significantly expands coverage using existing equipment and requires only proper software configuration.
Modern router models from ASUS support several technologies to implement this task, including a proprietary system AiMesh, a universal repeater mode, and a more complex but flexible WDS bridge mode. The choice of a specific method depends directly on the age of your devices and the firmware version installed. In this article, we'll cover each method in detail so you can choose the best option for your infrastructure.
Before you begin setting up, make sure both devices are working properly and you have access to their web interfaces. The process of combining routers This doesn't require in-depth knowledge of network protocols, but attention to detail is critical. A single error in a parameter can lead to IP address conflicts or a disconnected connection, so follow the steps sequentially.
Preparing equipment and selecting network topology
The first step in building a distributed network is determining the role of each device. One router will act as the Master, receiving internet from the ISP, and the other as the Node or Repeater, receiving the signal over the air and retransmitting it further. For stable operation, it is recommended that both devices operate on the same frequency or, for high-end models, support tri-band mode.
It's important to reset the secondary router to factory defaults beforehand to avoid configuration conflicts. This is done by pressing the button Reset on the back panel for 10-15 seconds. After the reset, connect to it from a computer or smartphone and check the firmware version. Current firmware β the key to successful operation of AiMesh functions and a stable WDS bridge.
- π‘ Main router: already configured, distributes Internet, has a static IP or operates in router mode.
- πΆ Secondary router: cleared of old settings, located in the zone of confident signal reception from the main one.
- π Cable connection: For initial setup, it is recommended to briefly connect the devices with a patch cord, although the final operation will be wireless.
β οΈ Important: If you plan to use WDS mode on older models, make sure to manually select the Wi-Fi channels on both devices. Automatic channel selection often results in the bridge being disconnected after a reboot.
Determine the physical location of the devices. For repeater mode, the distance shouldn't be too great, otherwise the speed on the second router will drop by half due to the nature of half-duplex data transmission. Ideally, the second router should be located at the edge of the first router's coverage area.
The AiMesh Method: Creating a Smart Mesh System
The most modern and convenient way to combine ASUS routers is the technology AiMeshIt allows you to create a single, seamless network with a single name (SSID) and automatic client switching between nodes. This method is supported by most models released after 2018 and requires the main router to have firmware that supports AiMesh.
The process begins with setting up the main device. Go to the web interface at 192.168.1.1 or router.asus.comIn the menu on the left, find the section AiMesh and click the "Search for nodes" button. The system will automatically detect compatible devices within range. If the routers are new, the setup wizard will offer to automatically update their firmware to the same version, which is highly recommended for stability.
After adding a node, you can select a priority connection. Although this article focuses on wireless connections, the AiMesh system may prompt you to connect the routers with a cable during initial setup to synchronize settings. After setup is complete, you can remove the cable, and the system will switch to wireless mode unless otherwise specified.
- π Seamless roaming: devices automatically switch between routers without interrupting the connection.
- βοΈ Unified management: all settings are set from the main device, the secondary one is controlled automatically.
- π Adaptive route: the system itself selects the optimal path for traffic, avoiding noisy channels.
A key advantage of AiMesh is the ability to mix and match different models. You can connect an old router to a new one, and they will work together as a single system, although the speed will be limited by the capabilities of the older device. It is critical that the time on both devices is synchronized via the internet, otherwise security certificates may block the connection.
Setting up Repeater Mode
If your devices don't support AiMesh or you're using models of different generations, repeater mode is the optimal choice. In this scenario, the second ASUS router receives the Wi-Fi signal from the first and broadcasts it further, creating an extended coverage area. Unlike mesh, you may need to create a separate network name for the second router, although modern firmware allows SSID cloning.
To activate this mode, log into the secondary router's interface. Go to the section Administration (Administration) and select the tab Opening hours (Operation Mode). Here you need to select the item Repeater mode (Repeater mode) or Media Bridge, depending on the firmware version. After saving the settings, the router will reboot and prompt you to select a network to connect to.
βοΈ Repeater Mode setup checklist
In the list of available networks that opens, select your main ASUS router. The system will prompt you for the Wi-Fi network passwordβenter it correctly. After a successful connection, the LEDs on the device should change color, indicating the connection status. Typically, a blinking LED indicates the connection is in progress, while a solid LED indicates successful operation.
β οΈ Please note: In repeater mode, the internet speed of clients connected to the second router may drop to 50% of the original speed, as the radio module operates in half-duplex mode, receiving and transmitting data alternately.
Some users prefer to customize the mode Media Bridge, if you need to connect devices (such as a Smart TV or console) to a wireless network via a cable. The operating principle is similar, but in this mode, Wi-Fi on the second router can be disabled for clients, allowing only signal reception.
Setting up a WDS bridge between routers
WDS (Wireless Distribution System) mode is a more flexible, but more complex, method for connecting routers. It allows for chaining multiple devices and supports broadcast packets, which is essential for some smart devices. However, WDS requires manual configuration of MAC addresses and strict adherence to security settings.
On the main router, go to the section Wireless network (Wireless) and find the subsection WDS. Activate the function by setting the value Only or AutoIn the MAC address field for the remote access point, enter the address of the second router. You can find it on the sticker on the bottom of the device or in the status bar of its web interface.
| Parameter | Main router | Secondary router |
|---|---|---|
| Opening hours | Access Point / WDS | WDS / Bridge |
| Channel | Fixed (eg 1) | Same fixed (1) |
| MAC address | Specify the MAC of the second | Specify the MAC of the first |
| Security | WPA2-Personal | WPA2-Personal (identical) |
After setting up the master device, repeat the same steps on the secondary router. Make sure the Wi-Fi channels match, the encryption type is identical, and the passwords exactly match those set on the master device. Any discrepancy in the password characters will prevent the connection from being established.
Why might WDS not work?
WDS is not a standard, but a set of conventions. Even routers from the same brand may implement this protocol differently. If the connection fails, try changing the encryption type from AES to TKIP or vice versa, although AES is preferred for security.
A key feature of WDS is that the DHCP server on the secondary router must be disabled. Only the primary router should distribute addresses; otherwise, IP conflicts will occur in the network, and internet access will be lost for all devices. You can check this in the section Local area network (LAN) -> DHCP server.
Configuring IP addresses and resolving conflicts
One of the most common problems when connecting two routers is an IP address conflict. By default, both ASUS devices have the address 192.168.1.1If you try to connect them without changing the settings, the network will not work. You must change the LAN IP address of the secondary router before connecting it to the main one.
Go to the LAN settings of the secondary device. Change the third octet of the address. For example, if the main router has the address 192.168.1.1, then ask the secondary one 192.168.1.2 or 192.168.50.1The main thing is that it's in the same subnet as the main router, but not the same one. After applying the settings, access to the second router's interface will be via the new address.
- π Address range: Make sure that the DHCP address pool on the main router does not overlap the static IP of the second one.
- π Security: Use complex passwords to access the web interface, as the second router is now visible on your network.
- π Reboot: After changing the IP address, be sure to reboot your device for the changes to take effect.
It's also worth paying attention to DNS servers. You can configure reliable DNS servers, such as Google's, in the WAN settings of your main router (8.8.8.8) or Cloudflare (1.1.1.1) to speed up domain name resolution for all network clients, including those connected through a second router.
Troubleshooting and Signal Optimization
After setting up the system, you may experience issues with connection speed or stability. First, check the signal strength between the routers. In the ASUS web interface, under Network map (Network Map) often displays the connection quality between AiMesh nodes or the WDS status. If the signal is weak, try repositioning the antennas or moving the secondary router closer to the main one.
Interference from neighboring networks is a common cause of unstable performance. Use a built-in Wi-Fi analyzer or third-party apps on your smartphone to find a clear channel. In the 2.4 GHz band, channels 1, 6, or 11 are recommended, as they don't overlap. For 5 GHz, there's a wider selection, but it's important to avoid channels with radar detection (DFS) if the router frequently loses them.
β οΈ Note: Interfaces and menu item names may vary depending on the firmware version (Merlin, stock ASUS) and router model. Always consult the official documentation for your specific firmware version.
If the speed on the second router is slow, try forcing clients to switch to the 5 GHz band. To do this, you can separate the network names (SSIDs) for the 2.4 and 5 GHz frequencies by adding a suffix (e.g., _5GThis will allow you to manually connect demanding devices to the fast band, while leaving smart home devices on 2.4 GHz.
How to check the speed between routers?
Run a Speedtest on the device connected to the second router and compare it with the results on the device connected to the first. A loss of more than 40-50% in wireless bridge mode is considered normal, but undesirable.
Check for firmware updates regularly. ASUS engineers are constantly improving Wi-Fi algorithms and patching security vulnerabilities. You can configure automatic updates in the Settings section. Administrationso that the system itself monitors the relevance of the software.
Is it possible to connect an ASUS router to a router of another brand?
AiMesh technology only works between ASUS devices. However, Repeater and WDS modes are standard. You can try connecting an ASUS router to a router from another manufacturer via WDS, but success is not guaranteed due to differences in protocol implementation between vendors. Repeater mode has a higher chance of success.
Will my internet speed decrease when connecting a second router via Wi-Fi?
Yes, with a wireless connection (backhaul), speeds typically drop because the radio channel is used for both receiving and transmitting data. In AiMesh mode with a dedicated band or using a wired connection, losses will be minimal or nonexistent.
Do I need to configure a second router if the first one is distributing the Internet?
Yes, the second router must be configured as a repeater, bridge, or added to the AiMesh system. Simply plugging it in won't begin rebroadcasting the signal without first configuring the software and "familiarizing" it with the main router.
What to do if the secondary router doesn't see the main one?
Make sure they are within line of sight or are located through the same wall. Check if MAC address filtering is enabled on the main router. Try temporarily moving the devices closer together for setup, then moving them to their installation locations. Also, check that the main router isn't broadcasting a hidden SSID.