The roadwarriors carol and dave set up a connection each to gateway moon. The authentication is based on X.509 certificates and IKEv2 AUTH payloads based on RSA-PSS signatures.

Upon the successful establishment of the IPsec tunnels, the updown script automatically inserts iptables-based firewall rules that let pass the tunneled traffic. In order to test both tunnel and firewall, both carol and dave ping the client alice behind the gateway moon.