GT-AX11000-E235
Asus GT-AX11000-E235 VPN Tunnel Error
Asus
VPN Tunnel Error
RT-Series
74% 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