+ fprintf(stderr, "Options:\n");
+ fprintf(stderr, " -I if_name -- Specify interface (default eth0)\n");
+ fprintf(stderr, " -D filename -- Log debugging information in filename.\n");
+ fprintf(stderr,
+ " -t timeout -- Initial timeout for discovery packets in seconds\n"
+ " -a attempts -- Number of discovery attempts\n"
+ " -V -- Print version and exit.\n"
+ " -Q -- Quit Mode: Do not print access concentrator names\n"
+ " -S name -- Set desired service name.\n"
+ " -C name -- Set desired access concentrator name.\n"
+ " -U -- Use Host-Unique to allow multiple PPPoE sessions.\n"
+ " -W hexvalue -- Set the Host-Unique to the supplied hex string.\n"
+ " -h -- Print usage information.\n");