How to configure a Xiaomi router as a repeater via cable: the full guide

The problem of Wi-Fi dead zones is familiar to many owners of large apartments or country houses. Often, even a powerful main router can't break through thick walls or provide a stable connection in distant rooms. One of the most effective and inexpensive solutions to this problem is to use a second router, particularly from Xiaomi, as an access point or a repeater connected by a cable.

Unlike wireless network expansion, using an Ethernet cable allows you to transfer data to a second router without the speed losses typical of conventional repeaters. This turns your second router into a full-fledged access point, creating a single network or its expansion with maximum performance. In this article, we will discuss in detail how to turn a Mi Router device into a wired signal repeater.

Before you start the software, you need to properly prepare the physical infrastructure, you need to install a Vitaya Para cable from the main router to the installation site of the Xiaomi additional device, the cable should not exceed 100 meters in length, otherwise you may lose data packets, and after laying the cable, you can switch to configuring the equipment through the web interface.

Preparation of equipment and connection schemes

The first step is to switch the devices correctly. LAN-port of the main router (the one that distributes the Internet) WAN-If you plan to use bridge mode, ports may differ, but for a standard scheme of network expansion through cable, it is the LAN-to-WAN bundle that is used. Make sure the cable is working and the port indicators catch fire after connecting.

It's important to understand the difference between modes of operation. Cable settings technically turn the second router into an Access Point, although users often call it a Repetitor Mode. In this case, Xiaomi's router gets the Internet over the wire and distributes it over Wi-Fi. This provides a stable speed that is independent of the quality of the wireless signal between routers.

To start the work you will need:

  • πŸ”Œ Main router with configured Internet access.
  • πŸ“‘ Xiaomi router (models 3, 4A, 4C, Pro and others).
  • πŸ”— Patch cord (Ethernet cable) of the required length.
  • πŸ’» Computer or smartphone for initial settings.

Before connecting to the main router, it is recommended to reset Xiaomi settings to factory ones to exclude conflicts. IP-To do this, press and hold the Reset button on the device body for a period of time. 5-10 It's a second before the indicator starts flashing orange, which ensures a clean configuration before you start.

β˜‘οΈ Preparation for setup

Done: 0 / 4

Primary configuration of the MiWiFi interface

After reset, connect your computer or smartphone to the Wi-Fi network of the Xiaomi router. Xiaomi_XXXX It doesn't require a password, or it's on a sticker at the bottom of the device. Open any browser and enter the address bar. 192.168.31.1 Or go to miwifi.com and you will be taken to the MiWiFi welcome page.

The system will suggest you to choose mode of operation. At this point, it is important to choose the option β€œWired Connection Mode” or β€œAccess Point Mode” (depending on the firmware version and interface language). If the system automatically determines the Internet connection via cable, it can offer a Repeater mode, but for a cable connection, we need a wired data mode to avoid double NAT.

In the process of initial configuration, the wizard will suggest creating an administrator password and configuring Wi-Fi settings. The access point mode allows you to use the same SSID (network name and password, which is the same as on the main router, creating the illusion of a single network. However, to avoid confusion at the initial stage, it is better to specify a unique network name, for example, Xiaomi_Ext.

What happens if the page 192.168.31.1 does not open?
Make sure your computer is connected to Xiaomi's network, not the main router: IP-The address must be automatically received (DHCP). Try using a different browser or incognito mode. Also make sure the cable is connected to the blue port (WAN) Xiaomi router.

Setting up the mode of operation through the web interface

Once you log in, you need to go to advanced settings. This is usually the Settings tab) -> Operation Mode: Here you'll see a few options: Main router, Wi-Fi, and Access Point, and we need the latter, because it's designed to distribute the Internet that comes through the Internet. WAN-port.

Select Access Point mode. The system will warn you that after switching IP-The router’s address may change and the settings will be accessed through a new address that will give the main router. This is normal behavior, since in this mode Xiaomi ceases to be the main gateway and becomes just a translator.

The wireless settings in this menu allow you to set a name (SSID) and password. To create seamless roaming (albeit without quickly switching, as in Mesh systems), it is recommended to set the network name and password identical to the main router. However, Wi-Fi channels must differ so that devices do not interfer with each other.

ParameterMain routerXiaomi router (Repeater)Recommendation
IP-address192.168.1.1Automatically (DHCP)Leave it automatic.
SSID (2.4 GHz)HomeWiFiHomeWiFiSame name.
Wi-Fi channel16 or 11Different static channels
Password.ComplexPass123ComplexPass123Same password.

Once you've set the settings, the router will reboot, and you'll need to physically connect it to the main router with a cable. LAN-port of the main device and the other in WAN (Xiaomi port: The status indicator on Xiaomi should be blue or green, signaling a successful Internet connection.

πŸ’‘

For maximum speed, use Cat5e or Cat6 cables. Lower category (Cat5) cables can limit speeds to 100 Mbps, even if your tariff and equipment support 1 Gbps.

Optimization of wireless network and channels

The critical thing when setting up two routers in the same coverage area is to distribute channels correctly. If both devices are broadcasting on the same channel, collisions will occur and network speed will fall. In the 2.4 GHz range, it is recommended to use channels 1, 6 and 11, since they do not overlap each other.

Go to the settings of the Xiaomi Wi-Fi router (now through the new one) IP-Find the Wi-Fi settings section and manually set the channel. If the main router is running on channel 1, for Xiaomi, select channel 6 or 11.

It's easier for 5 GHz because there are more non-overlapping channels, but if you're using 80 MHz, you can still overlap, and ideally, you'll scan the airwaves with applications like WiFi Analyzer and choose the least loaded frequency band.

You also need to pay attention to the signal power. If the Xiaomi router is in a small room, there is no point in spinning the power to the maximum. This can create a "long-range" signal that will interfere with the main router in neighboring rooms. Optimally adjust the power so that the coverage of the zones is minimal, ensuring a smooth transition.

πŸ“Š What Wi-Fi range do you use most often?
Only 2.4 GHz
Only 5 GHz.
Both ranges
I don't know, it's a car.

Typical IP Problems and Conflicts

One of the most common problems is conflict. IP-If the main router distributes addresses in a range, for example, 192.168.31.x (Xiaomi standard, and the second Xiaomi router defaults to 192.168.31.1, the network will not work. In access point mode, this issue is usually solved automatically, but sometimes manual intervention is required.

If you can’t get into the settings of the second router after connecting the cable, try turning off the cable. WAN. Connect to Xiaomi Wi-Fi, go to the settings and force change LAN IP-address to a free one, such as 192.168.1.250 (if the main router has 192.168.1.1 address.

⚠️ Note: If you have changed IP-The address of the Xiaomi router manually, to access its settings in the future you will need to enter a new address in the browser, not the standard miwifi.com.

Another problem is the lack of internet on Xiaomi-connected customers. DHCP-server on the Xiaomi router. in access point mode (Access Point) DHCP-The server on the second router must be turned off so that the addresses are distributed by the main router. DHCP included on both devices, there will be chaos in the issuance IP-address.

In some versions of MiWiFi firmware, Access Point automatically disables DHCP. If you use the Main Router mode with a cable connecting to a LAN port (LAN-to-LAN scheme), disabling DHCP is a mandatory manual action. Check this option in the LAN Settings section.

πŸ’‘

The main rule of a stable network: in a combination of two routers DHCP-The server should only work on one device, the main one.

Using the Mi WiFi application for management

For easy management of the settings of the Xiaomi router, you can use the Mi WiFi mobile application. It allows you to control the connection status, Internet speed and the list of connected devices directly from the smartphone. The application will automatically detect the router in the local network after setting it up.

It's convenient to check through the app who's connected to your extended network, and if you see unfamiliar devices, you can block them from accessing or limit their speed, which is an important aspect of network security, especially if you use shared network names.

If the speed at the Xiaomi hotspot is low, built-in tools will help determine whether the problem is in the Wi-Fi channel, the loading of the router processor or the quality of the cable. Regular monitoring through the application helps to maintain the network in optimal condition.

It should be noted that the Mi WiFi application may require you to register a Xiaomi account and select a region. This is not always necessary to work on a local network, but an account is necessary to receive firmware updates.

Can routers be combined into a Mesh system?
Some modern Xiaomi models (e.g., AX3600, AX6000) support Mesh technology. If you have two compatible routers, when configured through the application, they can offer to create a single Mesh network. This is a more advanced option than a simple access point that provides seamless roaming.

Frequently Asked Questions (FAQ)

Can you configure a Xiaomi router as a repeater without cable?
Yes, it is possible. In the mode settings, you need to select Repeater Mode. However, in this case, the router will catch the Wi-Fi signal from the main router and transmit it further. The speed in this mode may be lower (up to 50% of the original), and stability depends on the quality of reception of the signal by the main device.
Why does Xiaomi router not see the cable when connected?
Check the integrity of the cable and the density of the connectors in the ports. Make sure you use a good patch cord. Also, the problem may be incompatibility of speed modes (if one router is gigabit and the second 100 megabit, auto-matching may fail).
Do I need to configure a static IP on my computer to enter the settings?
Usually not, as the Xiaomi router defaults as DHCP-But if the automatic address receipt doesn't work, you can temporarily log it on your computer's network card. IP 192.168.31.100 with mask 255.255.255.0 and gateway 192.168.31.1.
Will IPTV work through Xiaomi’s customized router?
Access Point (Access Point) IPTV It has to be transparent, because the router just spews through traffic. MAC-address or specific tags VLAN, You may need additional configurations on the main router or cloning MAC-address.