genl(1)

genl1

Generic netlink

Usage

genl

genl list

genl monitor ⟨family⟩ [multicast group]

Overview

The genl utility provides user access to generic netlink protocols.

The following commands are available:

list (default)

Lists all available generic netlink protocols, and presents its details:

operations

Id of the operation if any and associated capabilities

multicast groups

Id of the available multicast group if any and it associated name

monitor ⟨family⟩ [multicast group]

Connect to the family protocol and subscribe to the multicast group then print the received messages in a readable format if the protocol is known. So far only "nlctrl" and "nlsysevent" are known. If no multicast group are provided then all the groups are subscribed to.

Releases

9 releases since FreeBSD 14.0-RELEASE; the text changed 4 times.

  1. 14.0
  2. 14.1
  3. 14.2
  4. 14.3–14.5
  5. 15.0–16.0

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