sub web_rewalk_device
{
   my $device = cgi_param ('device');
   my $ipaddr = cgi_param ('ipaddr');
   my $discover_lock;

   # Get a lock on the discover
   $discover_lock = process_lock ($DISCOVER_LOCK, LOCK_EX)
      or EXIT_FATAL ("Failed to get a lock");

   discover_device_rewalk ({ device => $device, ipaddr => $ipaddr });

   process_unlock ($discover_lock);
}