How to connect a Xiaomi router AX2100: Complete guide with photos and tips

Introduction: Why Xiaomi Router AX2100 pick in 2026

Router Xiaomi Router AX2100 (Also known as the Mi Router AX2100 or Redmi Router AX5 In some regions, it remains one of the most popular home networking solutions, with a balance of price, performance and functionality, and supports the Wi-Fi 6 standard (802.11ax), It offers speeds of up to 2100 Mbps and is equipped with four external antennas for stable coverage. However, even with such an advanced device, users often face questions: how to connect the router correctly, avoid errors during the first setup and optimize network operation?

In this article, we will analyze the step-by-step connection Xiaomi AX2100 — From unpacking to fine-tuning, and we'll also reveal nuances that the manufacturer doesn't always mention in the official instructions, such as why you can't use a cable from an old router without checking its category or how to get around a typical "infinite load" problem when you first turn on. If you have just purchased this device or are planning to buy it, keep this instruction manual – it will save you hours of searching for solutions.

Separately, we will focus on compatibility with providers (Rostelecom, Beeline, MTS, etc.), setting up IPTV And connecting Xiaomi smart devices (lamps, cameras, vacuum cleaners) to the new network, illustrated by screenshots from the latest version of MiWiFi firmware (2026).

1. Connection Preparation: What to Check Before Turning on the Router

Before connecting Xiaomi AX2100 To the web, make sure you have everything you need, and users often miss little things that make it take hours to set up:

• 📦 Supply kit: router, power supply unit (12V/1A), cable (CAT5e If the cable is not in the box, you will have to buy it separately!
• 🔌 Power supply: the socket must be near the router installation site.The use of extension cords can lead to unstable operation.
• 📡 Optimal location: Router in the center of the apartment, at a height of at least 1 meter from the floor. Avoid proximity to microwaves, cordless phones and metal surfaces.
• 💻 Device for setting up: smartphone (Android/iOS) For mobile devices, we recommend you to download the Mi WiFi application (App Store / Google Play) in advance).

The critical point is the cable from the provider. AX2100 Supports connection by technology 1000BASE-T (1Gbps, but if your cable is older than 5 years, it may be category CAT5 (maximum 100 Mbps. You can check the category by the labeling on the cable itself. CAT5 — replace it with CAT5e or CAT6 for obtaining the declared speed.

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If you have fiber optic internet (GPON), will require a separate ONU-terminal from the provider. Xiaomi AX2100 built-in SFP-port and cannot connect directly to the fiber optic.

Another nuance is resetting the old router (if there was one" MAC-If you just turn off the old router and connect the new one, the Internet may not work:

1. Turn off the old router.
2. Wait 5-10 minutes (this is important for resetting) DHCP-provider-side).
3. Connect Xiaomi AX2100 and do the setup.

2. Physical connection of the router: step-by-step instructions with a photo

Now, let's get to the practice. Follow this instruction to avoid the typical mistakes.

1. Connect the power supply to the router and plug it into the socket.Power indicator (🔄) If it flashes orange, the device is malfunctioning or the power supply is not original.
2. Connect the router to the ISP cable. Use the port. WAN (Do not connect the cable to the yellow ports (LAN) — This will lead to a lack of internet!
3. Connect your computer or laptop to one of the LAN-Ports (yellow) with a complete cable. The alternative is Wi-Fi (see next section).

Connection diagram:

[Service Provider Cable]




↓




WAN port (blue) ← Xiaomi AX2100 → LAN port (yellow)




↓




[Your computer/laptop]

If the Internet indicator (🌐) Does not light up for 2-3 minutes:

• 🔄 Check if the cable is properly inserted into the port WAN.
• 📞 Call the provider and check if you need a link MAC-address (if yes, ask to reset the link).
• 🔧 Try another cable (the current cable may be damaged).

The provider's cable is connected to WAN-port)|The original power supply (12V/1A)|Power indicator burns blue|The computer is connected to LAN-port)-->

3. First setting: login to the web interface or through the application

After the physical connection, you need to configure the router. AX2100 There are two ways to set up:

1. Through the Mi WiFi mobile app (recommended for beginners).

Method 1: Configure via the Mi WiFi app

1. Download the app from the official store (App Store / Google Play).
2. Connect your smartphone to the router's Wi-Fi network (SSID) and the password is indicated on the sticker at the bottom of the device (for example, Xiaomi_XXXX).
3. Open the app and follow the instructions. In the region selection phase, select China (yes, even for the Russian version) to unlock additional features.
4. Come up with a name for the network (SSID) and a password. We recommend using WPA3-PSK for maximum safety.

Method 2: Configure via web interface

1. Select the mode of operation: "Router" (if you connect the provider's cable) or "Repiter" (if you amplify the signal of another network).

If the error "Page is not available" appears when you log in to the web interface:

• 🔌 Try a different browser (we recommend Chrome or Firefox).

4. Internet setting: PPPoE, DHCP, static IP

The most important step is the configuration of the Internet connection. The type of connection depends on your provider. Below is a table with settings for popular Russian operators:

How to set up PPPoE (the most common option):

1. Select the PPPoE connection type.

For users IPTV (For example, from Rostelecom or MTS):

• 📺 Turn on the function. IGMP Proxy in router settings (Settings) → Local area network → IPTV).
• 🔗 Connect the console to the first one. LAN-The port (often separated from the port) IPTV).
• 📡 Make sure that Mu-MIMO is turned off in Wi-Fi settings – this can cause stutters when watching TV.

5. Wi-Fi Optimization: How to Increase Speed and Stability

By default, Xiaomi AX2100 It creates two networks: 2.4 GHz and 5 GHz, but you need to manually configure it to maximize performance:

• 📶 Mode of work 2.4 GHz: Set up 802.11n (not 802.11b/g/n) reduce interference.
• 🔄 2.4 GHz channel: select a fixed channel (e.g. 6 or 11) rather than Auto. Use the WiFi Analyzer (Android) app to find the least loaded channel.
• 🚀 5GHz channel width: set 80MHz for top speed (but note that this can reduce signal range).
• 🔒 Safety: Use it WPA3-PSK + AES. Turn it off. WPS — It's a vulnerable protocol.

For advanced users: if you have many devices (10)+), Enable the Band Steering function (Settings) → Wi-Fi → It automatically distributes devices between 2.4 GHz and 5 GHz, optimizing the load, but in practice this feature may not work as well with some devices (e.g. older smartphones).

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If you have a dual-band router, give 2.4GHz and 5GHz networks different names (SSID). This will allow you to manually select the network on devices that require stable connectivity (for example, smart speakers or cameras).

The problem of slow Wi-Fi is often associated with congestion of the channel.

1. Connect to the router via cable and go to Settings → Status. → Wireless network.
2. Look at channel congestion. If you're above 60 percent, change channel.
3. Disconnect the devices from the network (especially those that are not in use but are connected “just in case”).

6 Connect Xiaomi smart devices to the new network

If you're using the Xiaomi ecosystem (Yeelight lamps, cameras, Roborock vacuum cleaners, etc.), you'll have to reconnect them after you change your router. Here's how to do it without errors:

• 💡 Smart lamps: turn them off for 10 seconds, then turn them on.In the Mi Home app, select Add Device → Lighting and follow the instructions. The lamp should flash, indicating the pairing mode.
• 📷 Cameras: Press the reset button on the case (usually hold 5 seconds to the beep).In the Mi Home app, select Add Device → Security.
• 🤖 Robot vacuum cleaners: press Home and Power buttons 3 seconds before the beep. In the app, select Add Device → Cleaning.

Typical problem: devices don't find a new network.

• 🔄 Make sure the 2.4GHz network is on (most Xiaomi smart devices don't support 5GHz).
• 📵 Temporarily turn off the firewall on the router (Settings) → Security → firewall).
• 🔧 Check that the Wi-Fi settings have turned off the filter MAC-address.

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If Xiaomi’s smart device doesn’t connect, try temporarily disabling Wi-Fi encryption, plugging in the device, and then returning protection. This will work for 90% of pairing problems.

For owners of Xiaomi Home Assistant (smart home control center): after changing the router, you may need to reset the gateway.

1. Shut the airlock off the power.
2. Press and hold the button on the case for 10 seconds (until the yellow indicator flashes).
3. Connect the gateway to the new network through the Mi Home app.

7. Solving typical problems after connection

Even with the right setup, there can be problems, and let's look at the most common ones and how to fix them:

Problem: The router does not save the settings after the reboot.

This is typical of a device with a broken firmware.

1. Download the latest firmware from the official Xiaomi website (support section).
2. Go to Settings. → Update the software and download the file manually.
3. If the router does not respond, reset to factory settings (clip Reset for 10 seconds).

Problem: Devices connect to Wi-Fi, but no internet access.

This is most often due to settings. DNS. Decision:

• In the router’s web interface, go to Settings → Internet.
• In the section DNS manually enter 1.1.1.1 and 8.8.8.8.
• Save the settings and restart the router.

8 Additional Features: What You Can Configure in Xiaomi AX2100

In addition to basic setup, the router offers a number of useful features that many do not know about:

• 🔐 Guest network: create a separate network for guests with a speed limit. → Wi-Fi → Guest network.
• ⏰ Parental controls: limit Internet access for certain devices by time, for example, you can block social networks for children's gadgets after 22:00.
• 📊 Traffic statistics: see which devices consume the most data. → Status. → Traffic.
• 🔄 Repeater mode: if you already have a main router, AX2100 It can be used as a signal amplifier.

How to enable QoS (Quality of Service) to prioritize traffic

1. Go to Settings. → Additionally. → QoS.
2. Enable the feature and select priority for certain devices (e.g. Smart). TV game console).
3. Set a speed limit for background devices (such as smart lamps or cameras).

For game consoles (PlayStation, Xbox) or Smart TV recommend:

• 🎮 Connect them over the cable (LAN), Not Wi-Fi, it will reduce delays (ping).
• 📺 In QoS settings, set the maximum priority for IP-device-address.
• 🔌 Disable Energy Savings in Router Settings (Settings) → Additionally. → Energy conservation).

Online Games (requires low ping)

- Streaming video (4K, IPTV)

- Download torrents or system updates

Without QoS, these processes will “compete” for bandwidth, leading to lags.-->

FAQ: Answers to Frequent Questions