Try setting netmask

src/freedombone-client

@@ -227,7 +227,7 @@ function mesh_batman {
   echo '    batctl if add $IFACE' >> $batman_script
   echo '    ifconfig $IFACE up' >> $batman_script
   echo '    avahi-autoipd -D bat0' >> $batman_script
-  echo '    ifconfig bat0 up promisc' >> $batman_script
+  echo '    ifconfig bat0 up promisc netmask 255.255.255.0 broadcast 192.168.13.255' >> $babel_script
   echo '' >> $batman_script
   echo '    #Use persistent HWAddr' >> $batman_script
   echo '    ether_new=$(ifconfig eth0 | grep HWaddr | sed -e "s/.*HWaddr //")' >> $batman_script