Replace 'ifconfig' calls with 'ip'.

netconfig.sh

@@ -308,7 +308,7 @@ while  ! $configured && [ $_try_number -lt $max_attempts ]  ; do
 
       ## - Is the device present and has local Address ?
       ## -
-      local_gw_address=`ifconfig $inet_device 2> /dev/null | grep "inet Adresse" | cut -d":" -f2 | cut -d" " -f1`
+      local_gw_address="$(ip addr show $inet_device 2> /dev/null | grep inet | awk '{print$2}')"
       if [ -z $local_gw_address ]; then
          if $LOGGING_CONSOLE ; then
             echo -e "\n\t[ Error ]: Connection at interface \"$inet_device\" seems to be down !"
@@ -350,7 +350,7 @@ while  ! $configured && [ $_try_number -lt $max_attempts ]  ; do
       ## - Is the DSL-device known and has remote Address ?
       ## -
       if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
-         remote_gw_address=`ifconfig $inet_device 2> /dev/null | grep "inet Adresse"  | cut -d":" -f3 | cut -d" " -f1`
+         remote_gw_address="$(ip addr show $inet_device 2> /dev/null | grep peer | awk '{print$4}' | cut -d "/" -f1)"
          remote_gw_net="$remote_gw_address/32"
       else
          net_address=`sipcalc $inet_device 2> /dev/null | grep -i -e "^network\s*address\s*-" | awk '{print$4}'`