AFi-1884
Ubiquiti AFi-1884 VPN Tunnel Error
Ubiquiti
VPN Tunnel Error
airMAX
84% fix rate
Cause
NAT-T keepalive timeout on UDP port 4500
Fix Steps
- Verify VPN server address and port configuration
- Check VPN credentials are current and not expired
- Ensure correct VPN protocol is selected (IKEv2/IPSec recommended)
- Verify firewall rules allow VPN traffic on required ports
- Try switching between UDP and TCP protocols