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T5307: Add doc for traffic match groups

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fett0 2024-06-12 17:30:56 -03:00
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docs/configuration/trafficpolicy/index.rst
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@ -212,6 +212,56 @@ You can also write a description for a filter:
.. note:: IPv6 TCP filters will only match IPv6 packets with no header
extension, see https://en.wikipedia.org/wiki/IPv6_packet#Extension_headers
Traffic Match Group
-------------------
In some case where we need to have an organization of our matching selection,
in order to be more flexible and organize with our filter definition. We can
apply traffic match groups, allowing us to create distinct filter groups within
our policy and define various parameters for each group:
.. code-block:: none
set qos traffic-match-group <group_name> match <match_name>
Possible completions:
description Description
> ip Match IP protocol header
> ipv6 Match IPv6 protocol header
mark Match on mark applied by firewall
vif Virtual Local Area Network (VLAN) ID for this match
inherit matches from another group
.. code-block:: none
set qos traffic-match-group <group_name> match-group <match_group_name>
A match group can contain multiple criteria and inherit them in the same policy.
For example:
.. code-block:: none
set qos traffic-match-group Mission-Critical match AF31 ip dscp 'AF31'
set qos traffic-match-group Mission-Critical match AF32 ip dscp 'AF42'
set qos traffic-match-group Mission-Critical match CS3 ip dscp 'CS3'
set qos traffic-match-group Streaming-Video match AF11 ip dscp 'AF11'
set qos traffic-match-group Streaming-Video match AF41 ip dscp 'AF41'
set qos traffic-match-group Streaming-Video match AF43 ip dscp 'AF43'
set qos policy shaper VyOS-HTB class 10 bandwidth '30%'
set qos policy shaper VyOS-HTB class 10 description 'Multimedia'
set qos policy shaper VyOS-HTB class 10 match CS4 ip dscp 'CS4'
set qos policy shaper VyOS-HTB class 10 match-group 'Streaming-Video'
set qos policy shaper VyOS-HTB class 10 priority '1'
set qos policy shaper VyOS-HTB class 10 queue-type 'fair-queue'
set qos policy shaper VyOS-HTB class 20 description 'MC'
set qos policy shaper VyOS-HTB class 20 match-group 'Mission-Critical'
set qos policy shaper VyOS-HTB class 20 priority '2'
set qos policy shaper VyOS-HTB class 20 queue-type 'fair-queue'
set qos policy shaper VyOS-HTB default bandwidth '20%'
set qos policy shaper VyOS-HTB default queue-type 'fq-codel'
In this example, we can observe that different DSCP criteria are defined based
on our QoS configuration within the same policy group.
Default
-------