testing: Added ikev2/net2net-multicast scenario

testing/tests/ikev2/net2net-multicast/hosts/moon/etc/ipsec.conf

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+# /etc/ipsec.conf - strongSwan IPsec configuration file
+
+config setup
+
+conn %default
+	ikelifetime=60m
+	keylife=20m
+	rekeymargin=3m
+	keyingtries=1
+	keyexchange=ikev2
+	mobike=no
+
+conn net-net 
+	left=PH_IP_MOON
+	leftcert=moonCert.pem
+	leftid=@moon.strongswan.org
+	leftsubnet=10.1.0.0/16,224.0.0.251/32
+	leftfirewall=yes
+	right=PH_IP_SUN
+	rightid=@sun.strongswan.org
+	rightsubnet=10.2.0.0/16,224.0.0.251/32
+	mark=%unique
+	auto=add

testing/tests/ikev2/net2net-multicast/hosts/moon/etc/strongswan.conf

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+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = aes des sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac stroke kernel-netlink socket-default forecast
+
+  multiple_authentication = no
+  plugins {
+    forecast {
+      groups = 224.0.0.251
+      interface = eth1
+    }
+  }
+}

testing/tests/ikev2/net2net-multicast/hosts/sun/etc/ipsec.conf

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+# /etc/ipsec.conf - strongSwan IPsec configuration file
+
+config setup
+
+conn %default
+	ikelifetime=60m
+	keylife=20m
+	rekeymargin=3m
+        keyingtries=1
+	keyexchange=ikev2
+	mobike=no
+
+conn net-net 
+	left=PH_IP_SUN
+	leftcert=sunCert.pem
+	leftid=@sun.strongswan.org
+	leftsubnet=10.2.0.0/16,224.0.0.251/32
+	leftfirewall=yes
+	right=PH_IP_MOON
+	rightid=@moon.strongswan.org
+	rightsubnet=10.1.0.0/16,224.0.0.251/32
+	mark=%unique
+	auto=add

testing/tests/ikev2/net2net-multicast/hosts/sun/etc/strongswan.conf

@@ -0,0 +1,13 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = aes des sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac stroke kernel-netlink socket-default forecast
+
+  multiple_authentication = no
+  plugins {
+    forecast {
+      groups = 224.0.0.251
+      interface = eth1
+    }
+  }
+}