[Swan] IPv6 Question

[Paul Wouters]

On Tue, 12 Jul 2022, Mirsad Goran Todorovac wrote:

> We have lost VPN connectivity since we introduced IPv6, I suppose.
> The problem is that MS VPN client has IPv6 preference.
>
> The Windows 10 client reports in evtlog:
>
> "The user SYSTEM dialed a connection named GRF IKEv2 magrf which has failed. 
> The error code returned on failure is 809."

Try enabling tracing that gives you more detailed IPsec/IKEv2 logs:

https://serverfault.com/questions/758590/enable-ike-tracing-on-windows-10-vpn

Paul