diff --git a/files/l2tp_backbone.sh.j2 b/files/l2tp_backbone.sh.j2
index c8cbbb8..90bf7ef 100644
--- a/files/l2tp_backbone.sh.j2
+++ b/files/l2tp_backbone.sh.j2
@@ -2,7 +2,7 @@
 # Version 5
 # Der servername muss mit einer einstelligen Zahl aufhoeren!!!!!
 communityname="troisdorf"
-#server="troisdorf0 troisdorf1 troisdorf2 troisdorf3 troisdorf4 troisdorf5 troisdorf6 troisdorf7 troisdorf8 troisdorf9 "
+#server="troisdorf0 troisdorf1 troisdorf2 troisdorf3 troisdorf4 troisdorf5 troisdorf6 troisdorf7 troisdorf8 troisdorf9"
 server="troisdorf0 {{ sn_hostname }}"
 domain="freifunk-troisdorf.de"
 mtu=1400
diff --git a/files/l2tp_backbone_ffswitch.sh.j2 b/files/l2tp_backbone_ffswitch.sh.j2
new file mode 100644
index 0000000..8f2a2a3
--- /dev/null
+++ b/files/l2tp_backbone_ffswitch.sh.j2
@@ -0,0 +1,56 @@
+#!/bin/sh
+# Version 5
+# Der servername muss mit einer einstelligen Zahl aufhoeren!!!!!
+communityname="troisdorf"
+server="troisdorf0 troisdorf1 troisdorf2 troisdorf3 troisdorf4 troisdorf5 troisdorf6 troisdorf7 troisdorf8 troisdorf9"
+#server="troisdorf0 {{ sn_hostname }}"
+domain="freifunk-troisdorf.de"
+mtu=1400
+# community MAC address, without the last Byte (:)!
+communitymacaddress="a2:8c:ae:6f:f6"
+tunnelPrefix=10
+sessionPrefix=1
+# Netzwerkteil des Netzes, ohne abschliessenden Punkt
+communitynetwork="10.188"
+# IPv6 network
+communitynetworkv6="fda0:747e:ab29:7405:255::"
+# Drittes Octet des serverbereichs
+octet3rd="255"
+# CIDR muss /16 sein
+localserver=$(/bin/hostname)
+batadv=/usr/local/sbin/batadv-vis
+alfred=/usr/local/sbin/alfred
+batctl=/usr/local/sbin/batctl
+ip=/sbin/ip
+dig=/usr/bin/dig
+
+for i in $server; do
+(
+        for j in $server; do
+                if [ $i  != $j ]; then
+                        if [ $i = $localserver ]; then
+                                 ip l2tp add tunnel remote $($dig +short $j.$domain) local $(/bin/hostname  -I | /usr/bin/cut -f1 -d' ') tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} peer_tunnel_id $tunnelPrefix${j#$communityname}${i#$communityname} encap udp udp_sport 300${i#$communityname}${j#$communityname} udp_dport 300${j#$communityname}${i#$communityname}
+                                 ip l2tp add session name l2tp-$j tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} session_id $sessionPrefix${i#$communityname}${j#$communityname} peer_session_id $sessionPrefix${j#$communityname}${i#$communityname}
+                                 #ip link set address $communitymacaddress:${i#$communityname}${j#$communityname} dev l2tp-$j
+                                 ip link set dev l2tp-$j mtu $mtu
+                                 ip link set up l2tp-$j
+                                 $batctl if add l2tp-$j
+                        fi
+                fi
+        done
+)
+done
+
+# Rest starten
+$ip link set address $communitymacaddress:0${localserver#$communityname} dev bat0
+#$ip link set address $communitymacaddress:ff dev bat0
+$ip link set up dev bat0
+$ip addr add $communitynetwork.$octet3rd.${localserver#$communityname}/16 broadcast $communitynetwork.255.255 dev bat0
+$ip -6 addr add $communitynetworkv6${localserver#$communityname}/64 dev bat0
+
+/usr/bin/killall alfred
+/usr/bin/killall batadv-vis
+/bin/sleep 5
+$alfred -i bat0 > /dev/null 2>&1 &
+/bin/sleep 15
+$batadv -i bat0 -s > /dev/null 2>&1 &
diff --git a/install.sn.yml b/install.sn.yml
index 89a638b..e603b49 100644
--- a/install.sn.yml
+++ b/install.sn.yml
@@ -9,7 +9,8 @@
   user: root
   gather_facts: False
   vars:
-    snversion: master_v1.4
+    snversion: master_v1.7
+    batmanversion: v2015.2
     common_required_packages:
       - git
       - make
@@ -124,8 +125,11 @@
            dest=/tmp/batman-adv
       when: aptupdates.changed
       register: getbatman
+    - name: Get batman-adv no rebrotcast patch
+      get_url: url=http://map.freifunk-moehne.de/stuff/1001-batman-adv-introduce-no_rebroadcast-option.patch dest=/tmp/batman-adv/1001-batman-adv-introduce-no_rebroadcast-option.patch      
     - name: Install batman-adv
-      shell: cd /tmp/batman-adv && git checkout master && make && make install
+      shell: cd /tmp/batman-adv && git checkout {{ batmanversion }} && make && make install
+#      shell: cd /tmp/batman-adv && git checkout {{ batmanversion }} && git apply 1001-batman-adv-introduce-no_rebroadcast-option.patch && make && make install
       when: getbatman.changed
     - name: Get batctl
       git: repo=http://git.open-mesh.org/batctl.git
@@ -133,7 +137,7 @@
       when: aptupdates.changed
       register: getbatctl
     - name: Install batctl
-      shell: cd /tmp/batctl && git checkout v2015.1 && make && make install
+      shell: cd /tmp/batctl && git checkout {{ batmanversion }} && make && make install
       when: getbatctl.changed
     - name: Get alfred
       git: repo=http://git.open-mesh.org/alfred.git
@@ -141,13 +145,14 @@
       when: aptupdates.changed
       register: getalfred
     - name: Install alfred
-      shell: cd /tmp/alfred && git checkout master && make && make install
+      shell: cd /tmp/alfred && git checkout {{ batmanversion }} && make && make install
       when: getalfred.changed
     - name: Get Tunneldigger
       git: repo=https://github.com/wlanslovenija/tunneldigger.git
            dest=/srv/tunneldigger
       register: tunneldigger
       when: aptupdates.changed
+      when: ffswitch is undefined
     - name: Configure tunneldigger
       command: "{{item}}"
       with_items:
@@ -185,17 +190,25 @@
       copy: src=./files/{{ item }} dest=/opt/freifunk owner=root group=root mode=0500
       with_items: check_gw_script
       register: check_gw
+      when: ffswitch is undefined
     - name: Add cron job with check gateway script
       cron: name=check_gw job="/opt/freifunk/keepalive.sh > /dev/null 2>&1" user="root" 
       when: check_gw.changed
+      when: ffswitch is undefined
     - name: Copy dhcpd template file
       template: src=./files/dhcpd.conf.j2 dest=/etc/dhcp/dhcpd.conf owner=root group=root mode=0444
+      when: ffswitch is undefined
     - name: Add cron backbone script
       cron: name=backbone special_time=reboot job="/opt/freifunk/l2tp_backbone.sh"
     - name: Add cron startup script
       cron: name=startup special_time=reboot job="/opt/freifunk/sn_startup.sh"
     - name: Copy backbone script
       template: src=./files/l2tp_backbone.sh.j2 dest=/opt/freifunk/l2tp_backbone.sh owner=root group=root mode=0544
+      when: ffswitch is undefined
+    - name: Copy backbone script
+      template: src=./files/l2tp_backbone_ffswitch.sh.j2 dest=/opt/freifunk/l2tp_backbone.sh owner=root group=root mode=0544
+      when: ffswitch is defined
+      register: ffswitchl2tp
     - name: Collectd template file
       template: src=./files/collectd.conf.j2 dest=/etc/collectd/collectd.conf owner=root group=root mode=0444
       register: collectd
@@ -210,12 +223,16 @@
     - name: Copy secondary zone file
       copy: src=./files/{{ item }} dest=/etc/bind owner=root group=bind mode=644
       with_items: bind_zone_fftdf
+      when: ffswitch is undefined
     - name: Bind9, activate fftdf zone
       lineinfile: dest=/etc/bind/named.conf line='include "/etc/bind/named.conf.fftdf";' state=present
+      when: ffswitch is undefined
     - name: Copy option template
       template: src=./files/named.conf.options.j2 dest=/etc/bind/named.conf.options owner=root group=bind mode=644
+      when: ffswitch is undefined
     - name: Copy radvd config template
       template: src=./files/radvd.conf.j2 dest=/etc/radvd.conf owner=radvd group=root mode=0444
+      when: ffswitch is undefined
     - name: Alfed message
       template: src=./files/alfred.sh.j2 dest=/opt/freifunk/alfred.sh owner=root group=root mode=0544
     - name: Add cron job with alfred info script
@@ -226,6 +243,7 @@
       poll: 0
       ignore_errors: true
       when: tunneldigger.changed
+      when: ffswitchl2tp.changed
     - name: Wirte version information
       shell: touch /etc/sn_version && echo {{ snversion }} > /etc/sn_version
     - name: waiting for server to come back