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.. _bond-interface:
Bond
----
You can combine (aggregate) 2 or more physical interfaces into a single
logical one. It's called bonding, or LAG, or ether-channel, or port-channel.
Create interface bondX, where X is just a number:
.. code-block:: none
set interfaces bonding bond0 description 'my-sw1 int 23 and 24'
You are able to choose a hash policy:
.. code-block:: none
vyos@vyos# set interfaces bonding bond0 hash-policy
Possible completions:
layer2 use MAC addresses to generate the hash (802.3ad)
layer2+3 combine MAC address and IP address to make hash
layer3+4 combine IP address and port to make hash
For example:
.. code-block:: none
set interfaces bonding bond0 hash-policy 'layer2'
You may want to set IEEE 802.3ad Dynamic link aggregation (802.3ad) AKA LACP
(don't forget to setup it on the other end of these links):
.. code-block:: none
set interfaces bonding bond0 mode '802.3ad'
or some other modes:
.. code-block:: none
vyos@vyos# set interfaces bonding bond0 mode
Possible completions:
802.3ad IEEE 802.3ad Dynamic link aggregation (Default)
active-backup
Fault tolerant: only one slave in the bond is active
broadcast Fault tolerant: transmits everything on all slave interfaces
round-robin Load balance: transmit packets in sequential order
transmit-load-balance
Load balance: adapts based on transmit load and speed
adaptive-load-balance
Load balance: adapts based on transmit and receive plus ARP
xor-hash Load balance: distribute based on MAC address
Now bond some physical interfaces into bond0:
.. code-block:: none
set interfaces bonding bond0 member interface eth0
set interfaces bonding bond0 member interface eth1
After a commit you may treat bond0 as almost a physical interface (you can't
change its` duplex, for example) and assign IPs or VIFs on it.
You may check the result:
.. code-block:: none
vyos@vyos# run sh interfaces bonding
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface IP Address S/L Description
--------- ---------- --- -----------
bond0 - u/u my-sw1 int 23 and 24
bond0.10 192.168.0.1/24 u/u office-net
bond0.100 10.10.10.1/24 u/u management-net
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