rtadvctl(8)

rtadvctl8

Control program for rtadvd(8) daemon

Usage

rtadvctl [-v] subcommand [interface ...]

Overview

rtadvctl is a utility that communicates with the rtadvd(8) daemon and displays information about Router Advertisement messages being sent on each interface.

This utility provides several options and subcommands. The options are as follows:

-v

Increase verbosity level. When specified once, the rtadvctl utility shows additional information about prefixes, RDNSS, and DNSSL options. When given twice, it additionally shows information about inactive interfaces and some statistics.

The subcommands are as follows:

reload [interfaces...]

Specifies to reload the configuration file. If one or more interfaces are specified, configuration entries for the interfaces will be reloaded selectively.

enable interfaces...

Specifies to mark the interface as enabled and to tries to reload the configuration entry. This subcommand is useful for dynamically-added interfaces.

The rtadvd(8) daemon marks an interface as enabled if the interface exists and the configuration file has a valid entry for it when it is invoked.

disable interfaces...

Specifies to mark the interface as disabled.

shutdown

Makes the rtadvd(8) daemon shut down. Note that the rtadvd(8) daemon will send several RAs with zero lifetime to invalidate the old information on each interface. It will take at most nine seconds.

show [interfaces...]

Displays information about the Router Advertisement messages being sent on each interface.

Releases

36 releases since FreeBSD 8.3-RELEASE; the text changed 22 times.

  1. 8.3
  2. 8.4
  3. 9.0
  4. 9.1
  5. 9.2
  6. 9.3
  7. 10.0
  8. 10.1
  9. 10.2
  10. 10.3
  11. 10.4
  12. 11.0
  13. 11.1
  14. 11.2
  15. 11.3
  16. 11.4
  17. 12.0
  18. 12.1
  19. 12.2
  20. 12.3
  21. 12.4
  22. 13.0–13.2
  23. 13.3–16.0

History

The rtadvctl command first appeared in FreeBSD 9.0.

Authors

rtadvctl was written by Hiroki Sato ⟨[email protected]⟩.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.