--- simplevpn	2013-05-22 17:54:10.000000000 +0200
+++ simplevpn-n	2018-11-06 14:53:13.679887350 +0100
@@ -23,7 +23,7 @@
 
 if [ "$1" == "-6" ]; then
     shift;
-    MODE=ipip6
+    MODE=any
     PROT="-6"
 fi
 
@@ -41,6 +41,8 @@
 
 true ${LOCALIP:="192.168.77.1"}
 true ${REMOTEIP:="192.168.77.2"}
+true ${LOCALIP6:="fd00:1::1"}
+true ${REMOTEIP6:="fd00:1::2"}
 true ${DEVNAME:="simplevpn"}
 
 # 4 is encapsulated IPv4 both in IPv4 an IPv6
@@ -62,7 +64,8 @@
 ip link set $DEVNAME up
 ip -4 addr add $LOCALIP/32 dev $DEVNAME
 ip -4 route add $REMOTEIP/32 dev $DEVNAME
-
+ip -6 addr add $LOCALIP6/128 dev $DEVNAME
+ip -6 route add $REMOTEIP6/128 dev $DEVNAME
 
 "$@" << EOF
     set -e
@@ -85,4 +88,6 @@
     ip link set $DEVNAME up
     ip -4 addr add $REMOTEIP/32 dev $DEVNAME
     ip -4 route add $LOCALIP/32 dev $DEVNAME
+    ip -6 addr add $REMOTEIP6/128 dev $DEVNAME
+    ip -6 route add $LOCALIP6/128 dev $DEVNAME
 EOF
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