Forum Discussion
SebastianGrigg
Jan 15, 2026Copper Contributor
Always on VPN Device Tunnel with IPv6 ikev2
Hi everyone, i have a huge Problem with always on VPN and IPv6. We have a working configuration, with RAS Server and Windows 11 Clients using always on VPN with IPv4 and computer certificates (IK...
NoahPeterson
Mar 20, 2026Iron Contributor
Enable IPsec communication rules for IPv6 on both the VPN server and client, and ensure that the firewall allows the IPv6 IKEv2 protocol (UDP ports 500 and 4500) to pass through.