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IEEE 802.1q, often referred to as Dot1q, is the networking standard that supports
virtual LANs (VLANs) on an IEEE 802.3 Ethernet network. The standard defines a
system of VLAN tagging for Ethernet frames and the accompanying procedures to be
used by bridges and switches in handling such frames. The standard also contains
provisions for a quality-of-service prioritization scheme commonly known as IEEE
802.1p and defines the Generic Attribute Registration Protocol.
Portions of the network which are VLAN-aware (i.e., IEEE 802.1q conformant) can
include VLAN tags. When a frame enters the VLAN-aware portion of the network, a
tag is added to represent the VLAN membership. Each frame must be distinguishable
as being within exactly one VLAN. A frame in the VLAN-aware portion of the network
that does not contain a VLAN tag is assumed to be flowing on the native VLAN.
The standard was developed by IEEE 802.1, a working group of the IEEE 802
standards committee, and continues to be actively revised. One of the notable
revisions is 802.1Q-2014 which incorporated IEEE 802.1aq (Shortest Path Bridging)
and much of the IEEE 802.1d standard.
802.1q VLAN interfaces are represented as virtual sub-interfaces in VyOS. The
term used for this is ``vif``.
.. cfgcmd:: set interfaces {{ var0 }} <interface> vif <vlan-id>
Create a new VLAN interface on interface `<interface>` using the VLAN number
provided via `<vlan-id>`.
You can create multiple VLAN interfaces on a physical interface. The VLAN ID
range is from 0 to 4094.
.. note:: Only 802.1Q-tagged packets are accepted on Ethernet vifs.
.. cmdinclude:: ../_include/interface-address-with-dhcp.txt
:var0: {{ var0 }}
:var1: {{ var1 }}
:var2: vif
:var3: <vlan-id>
:var4: 10
.. cmdinclude:: ../_include/interface-description.txt
:var0: {{ var0 }}
:var1: {{ var1 }}
:var2: vif
:var3: <vlan-id>
:var4: 10
.. cmdinclude:: ../_include/interface-disable.txt
:var0: {{ var0 }}
:var1: {{ var1 }}
:var2: vif
:var3: <vlan-id>
:var4: 10
.. cmdinclude:: ../_include/interface-disable-link-detect.txt
:var0: {{ var0 }}
:var1: {{ var1 }}
:var2: vif
:var3: <vlan-id>
:var4: 10
.. cmdinclude:: ../_include/interface-mac.txt
:var0: {{ var0 }}
:var1: {{ var1 }}
:var2: vif
:var3: <vlan-id>
:var4: 10
.. cmdinclude:: ../_include/interface-mtu.txt
:var0: {{ var0 }}
:var1: {{ var1 }}
:var2: vif
:var3: <vlan-id>
:var4: 10
.. cmdinclude:: ../_include/interface-ipv6-addr-autoconf.txt
:var0: {{ var0 }}
:var1: {{ var1 }}
:var2: vif
:var3: <vlan-id>
:var4: 10
.. cmdinclude:: ../_include/interface-ipv6-addr-eui64.txt
:var0: {{ var0 }}
:var1: {{ var1 }}
:var2: vif
:var3: <vlan-id>
:var4: 10
.. cmdinclude:: ../_include/interface-vrf.txt
:var0: {{ var0 }}
:var1: {{ var1 }}
:var2: vif
:var3: <vlan-id>
:var4: 10
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