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vxlan: T3700: support VLAN tunnel mapping of VLAN aware bridges

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This commit is contained in:
Christian Breunig 2023-09-09 07:27:57 +02:00
parent d4feb68416
commit d80690d563
1 changed files with 31 additions and 1 deletions
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32
docs/configuration/interfaces/vxlan.rst
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@ -132,6 +132,36 @@ For optimal scalability, Multicast shouldn't be used at all, but instead use BGP
to signal all connected devices between leaves. Unfortunately, VyOS does not yet
support this.
Single VXLAN device (SVD)
=========================
FRR supports a new way of configuring VLAN-to-VNI mappings for EVPN-VXLAN, when
working with the Linux kernel. In this new way, the mapping of a VLAN to a
:abbr:`VNI (VXLAN Network Identifier (or VXLAN Segment ID))` is configured
against a container VXLAN interface which is referred to as a
:abbr:`SVD (Single VXLAN device)`.
Multiple VLAN to VNI mappings can be configured against the same SVD. This
allows for a significant scaling of the number of VNIs since a separate VXLAN
interface is no longer required for each VNI.
.. cfgcmd:: set interfaces vxlan <interface> vlan-to-vni <vlan> vni <vni>
Maps the VNI to the specified VLAN id. The VLAN can then be consumed by
a bridge.
Sample configuration of SVD with VLAN to VNI mappings is shown below.
.. code-block:: none
set interfaces bridge br0 member interface vxlan0
set interfaces vxlan vxlan0 external
set interfaces vxlan vxlan0 source-interface 'dum0'
set interfaces vxlan vxlan0 vlan-to-vni 10 vni '10010'
set interfaces vxlan vxlan0 vlan-to-vni 11 vni '10011'
set interfaces vxlan vxlan0 vlan-to-vni 30 vni '10030'
set interfaces vxlan vxlan0 vlan-to-vni 31 vni '10031'
Example
-------
@ -252,7 +282,7 @@ advertised.
set interfaces bridge br241 member interface 'eth1.241'
set interfaces bridge br241 member interface 'vxlan241'
Binds eth1.241 and vxlan241 to each other by making them both member
Binds eth1.241 and vxlan241 to each other by making them both member
interfaces of the same bridge.
.. code-block:: none