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diff --git a/docs/qos.rst b/docs/qos.rst index d3ec2271..672adaa5 100644 --- a/docs/qos.rst +++ b/docs/qos.rst @@ -53,6 +53,68 @@ Once a traffic-policy is created, you can apply it to an interface : set interfaces ethernet eth0 traffic-policy in WAN-IN set interfaces etherhet eth0 traffic-policy out WAN-OUT + +A Real-World Example +^^^^^^^^^^^^^^^^^^^^ + +This policy sets download and upload bandwidth maximums (roughly 90% of the speeds possible), then divvies +up the traffic into buckets of importance, giving guaranteed bandwidth chunks to types of +traffic that are necessary for general interactive internet use, like web browsing, streaming, or gaming. + +After identifying and prioritizing that traffic, it drops the remaining traffic into a general-priority +bucket, which it gives a lower priority than what is required for real-time use. If there is no real-time +traffic that needs the bandwidth, the lower-priority traffic can use most of the connection. This ensures +that the connection can be used fully by whatever wants it, without suffocating real-time traffic or +throttling background traffic too much. + +.. code-block:: sh + + set traffic-policy shaper download bandwidth '175mbit' + set traffic-policy shaper download class 10 bandwidth '10%' + set traffic-policy shaper download class 10 burst '15k' + set traffic-policy shaper download class 10 ceiling '100%' + set traffic-policy shaper download class 10 match dns ip source port '53' + set traffic-policy shaper download class 10 match icmp ip protocol 'icmp' + set traffic-policy shaper download class 10 match ssh ip source port '22' + set traffic-policy shaper download class 10 priority '5' + set traffic-policy shaper download class 10 queue-type 'fair-queue' + set traffic-policy shaper download class 20 bandwidth '10%' + set traffic-policy shaper download class 20 burst '15k' + set traffic-policy shaper download class 20 ceiling '100%' + set traffic-policy shaper download class 20 match http ip source port '80' + set traffic-policy shaper download class 20 match https ip source port '443' + set traffic-policy shaper download class 20 priority '4' + set traffic-policy shaper download class 20 queue-type 'fair-queue' + set traffic-policy shaper download default bandwidth '70%' + set traffic-policy shaper download default burst '15k' + set traffic-policy shaper download default ceiling '100%' + set traffic-policy shaper download default priority '3' + set traffic-policy shaper download default queue-type 'fair-queue' + set traffic-policy shaper upload bandwidth '18mbit' + set traffic-policy shaper upload class 2 bandwidth '10%' + set traffic-policy shaper upload class 2 burst '15k' + set traffic-policy shaper upload class 2 ceiling '100%' + set traffic-policy shaper upload class 2 match ack ip tcp ack + set traffic-policy shaper upload class 2 match dns ip destination port '53' + set traffic-policy shaper upload class 2 match icmp ip protocol 'icmp' + set traffic-policy shaper upload class 2 match ssh ip destination port '22' + set traffic-policy shaper upload class 2 match syn ip tcp syn + set traffic-policy shaper upload class 2 priority '5' + set traffic-policy shaper upload class 2 queue-limit '16' + set traffic-policy shaper upload class 2 queue-type 'fair-queue' + set traffic-policy shaper upload class 5 bandwidth '10%' + set traffic-policy shaper upload class 5 burst '15k' + set traffic-policy shaper upload class 5 ceiling '100%' + set traffic-policy shaper upload class 5 match http ip destination port '80' + set traffic-policy shaper upload class 5 match https ip destination port '443' + set traffic-policy shaper upload class 5 priority '4' + set traffic-policy shaper upload class 5 queue-type 'fair-queue' + set traffic-policy shaper upload default bandwidth '60%' + set traffic-policy shaper upload default burst '15k' + set traffic-policy shaper upload default ceiling '100%' + set traffic-policy shaper upload default priority '3' + set traffic-policy shaper upload default queue-type 'fair-queue' + Traffic policies in VyOS ------------------------ |