" -N <mode> Mode for requesting addresses [try|force|none]\n"
" -P <length> Request IPv6-Prefix (0 = auto)\n"
" -F Force IPv6-Prefix\n"
- " -V <hex-string> Set vendor-class option. string length must be a multiple of 2\n"
+ " -V <class> Set vendor-class option (base-16 encoded)\n"
#ifdef EXT_BFD_PING
" -B <interval> Enable BFD ping check\n"
#endif