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share/man/man4/vlan.4
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.\" | .\" | ||||
.\" $FreeBSD$ | .\" $FreeBSD$ | ||||
.\" | .\" | ||||
.Dd May 8, 2018 | .Dd May 8, 2018 | ||||
.Dt VLAN 4 | .Dt VLAN 4 | ||||
.Os | .Os | ||||
.Sh NAME | .Sh NAME | ||||
.Nm vlan | .Nm vlan | ||||
.Nd "IEEE 802.1Q VLAN network interface" | .Nd "IEEE 802.1Q/802.1ad VLAN network interface" | ||||
.Sh SYNOPSIS | .Sh SYNOPSIS | ||||
To compile this driver into the kernel, | To compile this driver into the kernel, | ||||
place the following line in your | place the following line in your | ||||
kernel configuration file: | kernel configuration file: | ||||
.Bd -ragged -offset indent | .Bd -ragged -offset indent | ||||
.Cd "device vlan" | .Cd "device vlan" | ||||
.Ed | .Ed | ||||
.Pp | .Pp | ||||
Alternatively, to load the driver as a | Alternatively, to load the driver as a | ||||
module at boot time, place the following line in | module at boot time, place the following line in | ||||
.Xr loader.conf 5 : | .Xr loader.conf 5 : | ||||
.Bd -literal -offset indent | .Bd -literal -offset indent | ||||
if_vlan_load="YES" | if_vlan_load="YES" | ||||
.Ed | .Ed | ||||
.Sh DESCRIPTION | .Sh DESCRIPTION | ||||
The | The | ||||
.Nm | .Nm | ||||
driver demultiplexes frames tagged according to | driver demultiplexes frames tagged according to | ||||
the IEEE 802.1Q standard into logical | the IEEE 802.1Q and IEEE 802.1ad standards into logical | ||||
.Nm | .Nm | ||||
network interfaces, which allows routing/bridging between | network interfaces, which allows routing/bridging between | ||||
multiple VLANs through a single switch trunk port. | multiple VLANs through a single switch trunk port. | ||||
.Pp | .Pp | ||||
Each | Each | ||||
.Nm | .Nm | ||||
interface is created at runtime using interface cloning. | interface is created at runtime using interface cloning. | ||||
This is | This is | ||||
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