Index: scripts/wifi_save_static_interface_assignments.sh
===================================================================
diff -u -r13ac42cf8bdc5038dedd3302ba79dc387e5704b4 -r0629dfe6bcc3e85047319284fa4c534efbf58594
--- scripts/wifi_save_static_interface_assignments.sh	(.../wifi_save_static_interface_assignments.sh)	(revision 13ac42cf8bdc5038dedd3302ba79dc387e5704b4)
+++ scripts/wifi_save_static_interface_assignments.sh	(.../wifi_save_static_interface_assignments.sh)	(revision 0629dfe6bcc3e85047319284fa4c534efbf58594)
@@ -1,5 +1,11 @@
 #!/bin/sh
 
+if [ $# -eq 0 ]; then
+    currentFile=$(basename "$0")
+    echo "Usage: ./$currentFile <iface> <ip> <gateway> <subnet_mask>"
+    exit 0
+fi
+
 iface=$1
 ip=$2
 gateway=$3
@@ -10,3 +16,6 @@
     address $ip
     netmask $subnet_mask
     gateway $3" > /etc/network/interfaces
+
+rm -f AUTO_IP
+./wifi_set_gateway.sh $gateway