IPsec strongswan install Beryl AX

I have a Sophos router that has a IPsec VPN server that I would like to connect to from the Beryl AX MT3000. From what I have gathered I need to install strongswan but I am not sure exactly what to do. I see the different packages to install in the plugins page but there are 8 deferent strongswan packages to choose from???

More than 8 strongswan packages actually.

This guide chooses strongswan-full package: