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-rw-r--r--src/odhcp6c.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index 0a46947..96865c7 100644
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -450,6 +450,7 @@ static int usage(void)
#ifdef EXT_BFD_PING
" -B <interval> Enable BFD ping check\n"
#endif
+ " -u <user-class> Set user-class option string\n"
" -c <clientid> Override client-ID (base-16 encoded)\n"
" -i <iface-id> Use a custom interface identifier for RA handling\n"
" -r <options> Options to be requested (comma-separated)\n"