I'm new to working with VPN's and would like to connect to a commercial VPN if possible through IKEv2 on a ISR891 router. Nord VPN provide a certificate file (https://downloads.nordvpn.com/certificates/root.der - from their instructions: https://nord...

Hello,   Please forgive my rather limited knowledge of Cisco devices.  It all remains fairly knew to me.  I've exhausted many hours on what is most likely a simple oversight somewhere on my part, so hopefully someone can enlighten me.   I'm trying to...