diff --git a/files/alfred.sh.j2 b/files/alfred.sh.j2
new file mode 100644
index 0000000..bc03367
--- /dev/null
+++ b/files/alfred.sh.j2
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+release=$(/bin/uname -r)
+nodeid=$( /bin/echo {{ sn_mesh_MAC }} | /bin/sed s/://g)
+#meshh_if=$(/bin/cat /sys/class/net/troisdorf*/address | /bin/grep -v ^00:00:00)
+meshh_if=$(/bin/cat /sys/class/net/l2tp*/address | /bin/grep -v ^00:00:00)
+tempfile=/tmp/alfred_info
+
+if [ -f $tempfile ]
+ then
+  /bin/rm $tempfile
+fi
+
+/bin/cat > $tempfile <<EOF
+{
+"network": {
+"mac": "{{ sn_mesh_MAC }}",
+"addresses": [
+"{{ sn_mesh_IPv6 }}",
+"{{ sn_mesh_IPv4 }}"
+],
+"mesh_interfaces": [
+$(for i in $meshh_if; do /bin/echo '"'$i'",';done)
+"{{ ul_mesh_MAC }}",
+"{{ sn_mesh_MAC }}"
+]
+},
+"vpn": true,
+"node_id": "$nodeid",
+"hostname": "Gateway:{{ sn_hostname }}",
+"hardware": {
+"model": "vServer"
+},
+"owner": {
+"contact": "stefan@freifunk-troisdorf.de"
+}
+}
+EOF
+
+if [ -f $tempfile ]
+ then
+  /bin/cat "$tempfile" | /bin/gzip | /usr/local/sbin/alfred -s 158
+fi
+
+if [ -f $tempfile ]
+ then
+  /bin/rm $tempfile
+fi
+
+exit 0
+
diff --git a/files/bataddif.sh.j2 b/files/bataddif.sh.j2
index 9ad7be5..e0fc221 100644
--- a/files/bataddif.sh.j2
+++ b/files/bataddif.sh.j2
@@ -21,8 +21,10 @@ batctl=/usr/local/sbin/batctl
 #done
 
 #ip link set address {{ sn_mesh_MAC }} dev $INTERFACE
-ifconfig $INTERFACE hw ether {{ sn_mesh_MAC }}
+#ifconfig $INTERFACE hw ether {{ sn_mesh_MAC }}
 /bin/ip link set dev $INTERFACE up mtu 1312
-/sbin/sysctl net.ipv4.conf.$INTERFACE.rp_filter=0
+#/sbin/sysctl net.ipv4.conf.$INTERFACE.rp_filter=0
+
 $batctl if add $INTERFACE
 
+echo "enabled" > /sys/devices/virtual/net/$INTERFACE/batman_adv/no_rebroadcast
diff --git a/files/gre_backbone.sh.j2 b/files/gre_backbone.sh.j2
index 41fb365..8c1e16f 100644
--- a/files/gre_backbone.sh.j2
+++ b/files/gre_backbone.sh.j2
@@ -3,7 +3,7 @@
 communityname="troisdorf"
 server="troisdorf0 {{ sn_hostname }}"
 domain="freifunk-troisdorf.de"
-mtu=1400
+mtu=1500
 # community MAC address, without the last Byte (:)!
 communitymacaddress="a2:8c:ae:6f:f6"
 # Network part of the network, without the trailing dot
@@ -26,8 +26,8 @@ for i in $server; do
 
                 if [ $i  != $j ]; then
                         if [ $i = $(/bin/hostname) ]; then
-#                                 /sbin/ip link add $j type gretap local $(/bin/hostname  -I | /usr/bin/cut -f1 -d' ') remote $(/usr/bin/dig +short $j.$domain) dev eth0 nopmtudisc
-				 /sbin/ip link add $j type gretap local $(/bin/hostname  -I | /usr/bin/cut -f1 -d' ') remote $(/usr/bin/dig +short $j.$domain) dev eth0
+                                 /sbin/ip link add $j type gretap local $(/bin/hostname  -I | /usr/bin/cut -f1 -d' ') remote $(/usr/bin/dig +short $j.$domain) dev eth0 nopmtudisc
+#				 /sbin/ip link add $j type gretap local $(/bin/hostname  -I | /usr/bin/cut -f1 -d' ') remote $(/usr/bin/dig +short $j.$domain) dev eth0
                                  /sbin/ip link set dev $j mtu $mtu
 #                                 /sbin/ip link set address $communitymacaddress:${i#$communityname}${j#$communityname} dev $j
 #				 /sbin/ip link set address $communitymacaddress$:0${localserver#$communityname} dev $j
diff --git a/install.sn.yml b/install.sn.yml
index 8a3f4a8..bdefdb5 100644
--- a/install.sn.yml
+++ b/install.sn.yml
@@ -218,6 +218,12 @@
       template: src=./files/named.conf.options.j2 dest=/etc/bind/named.conf.options owner=root group=bind mode=644
     - name: Copy radvd config template
       template: src=./files/radvd.conf.j2 dest=/etc/radvd.conf owner=radvd group=root mode=0444
+
+    - 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
+      cron: name=alfred_info job="/opt/freifunk/alfred.sh > /dev/null 2>&1" user="root"
+
     - name: Reboot the server finally
       shell: sleep 2 && shutdown -r now "Ansible updates triggered"
       async: 1
@@ -232,11 +238,11 @@
                    delay=15
                    timeout=300
       when: tunneldigger.changed
-    - name: Send notification message via Slack
-      local_action:
-        module: slack
-        token: "{{ slack_token }}"
-        msg: "{{ inventory_hostname }} completed with branch testing"
-        channel: "#technik"
-        username: "Ansible on {{ inventory_hostname }}"
-        parse: 'none'
+#    - name: Send notification message via Slack
+#      local_action:
+#        module: slack
+#        token: "{{ slack_token }}"
+#        msg: "{{ inventory_hostname }} completed with branch testing"
+#        channel: "#technik"
+#        username: "Ansible on {{ inventory_hostname }}"
+#        parse: 'none'