[strongSwan] Connect to one site through another

[Tobias Brunner]

Hi,

> unless I'm missing something else I need to add in my configuration.

You seem to be using kernel-libipsec [1], don't!  Just use 
kernel-netlink instead.

Regards,
Tobias

[1] https://docs.strongswan.org/docs/5.9/plugins/kernel-libipsec.html