route6d(8) on FreeBSD
The text 8378d189095d, as FreeBSD 8.4-RELEASE shipped it.
RIP6 Routing Daemon
Flags it lists
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-A -
-D -
-L -
-N -
-O -
-R -
-S -
-T -
-a -
-d -
-h -
-l -
-n -
-q -
-s -
-t