vlan(4) on FreeBSD
The text c3ca5653c41a, as FreeBSD 15.1-RELEASE, FreeBSD 15.0-RELEASE, FreeBSD 14.5-RELEASE, FreeBSD 14.4-RELEASE, FreeBSD 14.3-RELEASE, FreeBSD 14.2-RELEASE, FreeBSD 13.5-RELEASE shipped it.
IEEE 802.1Q VLAN network interface
The text c3ca5653c41a, as FreeBSD 15.1-RELEASE, FreeBSD 15.0-RELEASE, FreeBSD 14.5-RELEASE, FreeBSD 14.4-RELEASE, FreeBSD 14.3-RELEASE, FreeBSD 14.2-RELEASE, FreeBSD 13.5-RELEASE shipped it.
IEEE 802.1Q VLAN network interface