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diff --git a/docs/interfaces/qinq.rst b/docs/interfaces/qinq.rst new file mode 100644 index 00000000..12fbd47d --- /dev/null +++ b/docs/interfaces/qinq.rst @@ -0,0 +1,58 @@ +.. _interfaces-qinq: + +QinQ +---- + +QinQ (802.1ad_) — allows multiple VLAN tags to be inserted into a single frame. + +QinQ can be used to tunnel vlans in a vlan. + +**vif-s** and **vif-c** stand for the ethertype tags that get set: + +The inner tag is the tag which is closest to the payload portion of the frame; it is officially called C-TAG (Customer tag, with ethertype 0x8100). +The outer tag is the one closer/closest to the Ethernet header; its name is S-TAG (Service tag, ethertype 0x88a8). + +Configuration commands: + +.. code-block:: sh + + interfaces + ethernet <eth[0-999]> + address <ipv4> + address <ipv6> + description <txt> + disable + ip + <usual IP options> + ipv6 + <usual IPv6 options> + vif-s <[0-4096]> + address <ipv4> + address <ipv6> + description <txt> + disable + ip + <usual IP options> + ipv6 + <usual IPv6 options> + vif-c <[0-4096]> + address <ipv4> + address <ipv6> + description <txt> + disable + ip + <usual IP options> + ipv6 + <usual IPv6 options> + + +Example: + +.. code-block:: sh + + set interfaces ethernet eth0 vif-s 333 + set interfaces ethernet eth0 vif-s 333 address 192.0.2.10/32 + set interfaces ethernet eth0 vif-s 333 vif-c 777 + set interfaces ethernet eth0 vif-s 333 vif-c 777 address 10.10.10.10/24 + +.. _802.1ad: https://en.wikipedia.org/wiki/IEEE_802.1ad
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