
When applying [Quality of Service](/qos), it is possible to implement a [CBWFQ](/qos-cbwfq) in combination with [traffic shaping](/qos-traffic-shaping) to deliver a more effective bandwidth management.  

CBWFQ ensures fair bandwidth distribution among different traffic classes while shaping controls the traffic rate to prevent congestion. Shaping can be applied to traffic classes defined by CBWFQ. This means you can classify traffic using CBWFQ and then apply shaping to each class as needed.

Links:

https://forum.networklessons.com/t/traffic-shaping-on-cisco-ios/1298/62?u=lagapides

https://networklessons.com/quality-of-service/traffic-shaping-on-cisco-ios

https://networklessons.com/quality-of-service/apply-cbwfq-to-sub-interface

QoS - Using CBWFQ with traffic shaping

Physical layer - modem

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QOS - Multilayer Switch QoS (MLS)

QoS - Assured Forwarding PHB values

QoS - Bc and Be bucket sizes

QoS - CBWFQ

QoS - Classification by IP

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QoS - effects of bandwidth interface command

QoS - is WRED really a congestion avoidance mechanism

QoS - key and nonkey fields

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QoS CBWFQ traffic allocation when there are empty queues

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QoS RSVP Path message

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QoS Traffic Shaping Parameters

QoS hardware queues scheduling

QoS how traffic shaping is achieved

QoS max-reserved-bandwidth

QoS mechanisms kick in only when there is congestion

QoS models

QoS specifying reserved bandwidth for a class belonging to a policy-map

QoS tokens in shaping and policing

QoS traffic policing

QoS traffic shaping

QoS using a shared policer on Nexus devices connected with vPC

REST API - Support and limitations

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