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docs/configuration/interfaces/vxlan.rst
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@ -1,4 +1,4 @@
:lastproofread: 2023-01-26 :lastproofread: 2024-07-04
.. _vxlan-interface: .. _vxlan-interface:
@ -103,8 +103,8 @@ Unicast
.. cfgcmd:: set interfaces vxlan <interface> remote <address> .. cfgcmd:: set interfaces vxlan <interface> remote <address>
IPv4/IPv6 remote address of the VXLAN tunnel. Alternative to multicast, the IPv4/IPv6 remote address of the VXLAN tunnel. An alternative to multicast,
remote IPv4/IPv6 address can set directly. the remote IPv4/IPv6 address can be set directly.
Multicast Multicast
^^^^^^^^^ ^^^^^^^^^
@ -117,7 +117,7 @@ Multicast
.. cfgcmd:: set interfaces vxlan <interface> group <address> .. cfgcmd:: set interfaces vxlan <interface> group <address>
Multicast group address for VXLAN interface. VXLAN tunnels can be built Multicast group address for the VXLAN interface. VXLAN tunnels can be built
either via Multicast or via Unicast. either via Multicast or via Unicast.
Both IPv4 and IPv6 multicast is possible. Both IPv4 and IPv6 multicast is possible.
@ -132,7 +132,7 @@ the same broadcast domain.
Let's assume PC4 on Leaf2 wants to ping PC5 on Leaf3. Instead of setting Leaf3 Let's assume PC4 on Leaf2 wants to ping PC5 on Leaf3. Instead of setting Leaf3
as our remote end manually, Leaf2 encapsulates the packet into a UDP-packet and as our remote end manually, Leaf2 encapsulates the packet into a UDP-packet and
sends it to its designated multicast-address via Spine1. When Spine1 receives sends it to its' designated multicast-address via Spine1. When Spine1 receives
this packet it forwards it to all other leaves who has joined the same this packet it forwards it to all other leaves who has joined the same
multicast-group, in this case Leaf3. When Leaf3 receives the packet it forwards multicast-group, in this case Leaf3. When Leaf3 receives the packet it forwards
it, while at the same time learning that PC4 is reachable behind Leaf2, because it, while at the same time learning that PC4 is reachable behind Leaf2, because
@ -188,8 +188,8 @@ Example
The setup is this: Leaf2 - Spine1 - Leaf3 The setup is this: Leaf2 - Spine1 - Leaf3
Spine1 is a Cisco IOS router running version 15.4, Leaf2 and Leaf3 is each a Spine1 is a Cisco IOS router running version 15.4, Leaf2 and Leaf3 are each
VyOS router running 1.2. VyOS routers running 1.2.
This topology was built using GNS3. This topology was built using GNS3.
@ -282,8 +282,8 @@ traffic from.
set interfaces vxlan vxlan242 source-interface 'eth0' set interfaces vxlan vxlan242 source-interface 'eth0'
set interfaces vxlan vxlan242 vni '242' set interfaces vxlan vxlan242 vni '242'
As you can see, Leaf2 and Leaf3 configuration is almost identical. There are As you can see, the Leaf2 and Leaf3 configurations are almost identical. There
lots of commands above, I'll try to into more detail below, command are lots of commands above, I'll try to go into more detail below. Command
descriptions are placed under the command boxes: descriptions are placed under the command boxes:
.. code-block:: none .. code-block:: none
@ -339,7 +339,7 @@ that behavior is available using the above command.
Unicast VXLAN Unicast VXLAN
============= =============
Alternative to multicast, the remote IPv4 address of the VXLAN tunnel can be Alternatively to multicast, the remote IPv4 address of the VXLAN tunnel can be
set directly. Let's change the Multicast example from above: set directly. Let's change the Multicast example from above:
.. code-block:: none .. code-block:: none