: Give it a clear name (e.g., "Guest_WiFi").
If the app glitches or you prefer granular control over your network configurations, the router’s web user interface (Web UI) is the most robust environment to use. create guest network on xiaomi mi router ax1800 fixed
Type 192.168.31.1 or router.miwifi.com in the address bar. Login: Enter your admin password. Go to Settings: Click on "Settings" in the top menu. : Give it a clear name (e
| Issue | Symptom | Root Cause | | |-------|---------|------------|--------------------| | No IP assigned | Devices stuck on “Obtaining IP address” | DHCP server for guest network crashes or conflicts with main DHCP range. | Static IP Range: Set Guest DHCP range outside main pool. Main: 192.168.31.100–200 Guest: 192.168.33.50–150 (different subnet) | | Guest sees main LAN devices | Security breach | AP isolation disabled or incorrect VLAN tagging. | Enable AP Isolation: In Guest Wi-Fi settings, check “Allow guests to access each other” → NO . “Allow guests to access local network” → NO . | | Slow / intermittent speed | High latency, packet loss | Co-channel interference with main 2.4 GHz network. | Fixed Channel: Set main Wi-Fi to channel 1,6,11 (e.g., ch6). Set Guest Wi-Fi to same channel (AX1800 forces same radio). Reduce beacon interval to 100ms. | | Clients disconnect every 30 min | Logout loop | Default DHCP lease time too short (2 hours). | Increase Lease Time: Via SSH or config file → Set dhcp_lease_time=86400 (24 hours). Not exposed in GUI – requires advanced access. | | No internet for guests | DNS failure | Router’s DNS proxy doesn’t forward guest subnet. | Manual DNS: In Guest settings, set Primary DNS 8.8.8.8 , Secondary 1.1.1.1 . Disable “Use same DNS as main network”. | Login: Enter your admin password
: Turn the toggle on, customize your SSID and password, and tap Save . Method 2: Web Interface (Advanced) For users who prefer a desktop view or
If you cannot find the guest network option or it is not working correctly, try these common fixes:
Guests cannot see or access your Network Attached Storage (NAS), wireless printers, or personal computers.