Business support

Configuring traffic shaping

Traffic shaping is configurable on many vendor platforms. See below how configure traffic shaping on devices for several vendors. We recommend configuring a committed burst size equal to a 4ms Tc and an excess burst size equal to 0 bits (when applicable).

See also an overview of traffic shaping.

Examples:

CIR: 50Mbps
Burst size = 50,000,000bps × .004 seconds = 200,000 bits

CIR: 20Mbps
Burst size = 20,000,000bps × .004 seconds = 80,000 bits

Cisco—IOS—shaping without QoS
Cisco—IOS—shaping with QoS
Cisco—IOS-XR—shaping without QoS
Cisco—IOS-XR—shaping with QoS
Juniper—JUNOS
ADTRAN—AOS
SonicWall—SonicOS
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