diff --git a/files/keepalive.sh b/files/keepalive.sh
index fa8759f..f471a45 100644
--- a/files/keepalive.sh
+++ b/files/keepalive.sh
@@ -1,36 +1,43 @@
 #!/bin/bash
-# Version 1.4
+# Version 1.5
 # Parameter setzen
-GATEWAY1=185.66.193.105
-GATEWAY2=185.66.193.106
+GATEWAY1ext=185.66.193.105
+GATEWAY2ext=185.66.193.106
+GATEWAY1=10.188.255.5
+GATEWAY2=10.188.255.6
 GATEWAY1v6=2a03:2260:121::255:5
 GATEWAY2v6=2a03:2260:121::255:6
 IP=/sbin/ip
 PING=/bin/ping
 BATCTL=/usr/local/sbin/batctl
 
-if [ "hostname = troisdorf1 | troisdorf2" ]
+#if [ "hostname = troisdorf1 | troisdorf2" ]
+if [ $(hostname) = "troisdorf1" ] || [ $(hostname) = "troisdorf2" ]
     then
         DEFAULT_GATEWAY=$GATEWAY1
+	DEFAULT_GATEWAYext=$GATEWAY1ext
         FALLBACK_GATEWAY=$GATEWAY2
+	FALLBACK_GATEWAYext=$GATEWAY2ext
 	DEFAULT_GATEWAYv6=$GATEWAY1v6
 	FALLBACK_GATEWAYv6=$GATEWAY2v6
     else
         DEFAULT_GATEWAY=$GATEWAY2
+	DEFAULT_GATEWAYext=$GATEWAY2ext
         FALLBACK_GATEWAY=$GATEWAY1
-        DEFAULT_GATEWAYv6=$GATEWAY2v6
-        FALLBACK_GATEWAYv6=$GATEWAY1v6
+        FALLBACK_GATEWAY=$GATEWAY1ext
+	DEFAULT_GATEWAYv6=$GATEWAY2v6
+	FALLBACK_GATEWAYv6=$GATEWAY1v6
 
 fi
 
-if $PING -c 1 $DEFAULT_GATEWAY
+if $PING -c 1 $DEFAULT_GATEWAYext
         then
                 $IP route replace default via $DEFAULT_GATEWAY table 42
                 $IP -6 route replace default via $DEFAULT_GATEWAYv6 table 42
                 $BATCTL gw server 100Mbit/100Mbit
                 echo "Gateway erreichbar"
         else
-        if $PING -c 1 $FALLBACK_GATEWAY
+        if $PING -c 1 $FALLBACK_GATEWAYext
             then
                 $IP route replace default via $FALLBACK_GATEWAY table 42
                 $IP -6 route replace default via $FALLBACK_GATEWAYv6 table 42
diff --git a/install.sn.yml b/install.sn.yml
index f60dd3e..1a8d4d0 100644
--- a/install.sn.yml
+++ b/install.sn.yml
@@ -9,7 +9,7 @@
   user: root
   gather_facts: False
   vars:
-    snversion: master_v2.0
+    snversion: master_v2.1
     batmanversion: v2015.2
     common_required_packages:
       - git