Test ikev2/nat-two-rw
Description
The roadwarriors alice and venus sitting behind the NAT router moon set up tunnels to gateway sun. UDP encapsulation is used to traverse the NAT router. leftfirewall=yes automatically inserts iptables-based firewall rules that let pass the tunneled traffic. In order to test the tunnel, the NAT-ed hosts alice and venus ping the client bob behind the gateway sun.