rtadvd(8) on FreeBSD
The text fb12e32d7e2b, as FreeBSD 4.6.2-RELEASE, FreeBSD 4.6-RELEASE, FreeBSD 4.5-RELEASE, FreeBSD 4.4-RELEASE shipped it.
router advertisement daemon
Flags it lists
-
-D -
-M -
-R -
-c -
-d -
-f -
-s