Committed Burst Size - Alcatel-Lucent 7450 Quality Of Service Manual

Ethernet service switch; service router; extensible routing system

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*A:PE# show pools 1/1/1 access-egress service 1 | match expression "PIR|CIR"

*A:PE# configure qos sap-egress 10 queue 1 adaptation-rule pir max cir max

*A:PE# show qos sap-egress 10 detail | match expression "Queue-Id|CIR Rule"

*A:PE# show pools 1/1/1 access-egress service 1 | match expression "PIR|CIR"

*A:PE# configure qos sap-egress 10 queue 1 adaptation-rule pir min cir min

*A:PE# show qos sap-egress 10 detail | match expression "Queue-Id|CIR Rule"

*A:PE# show pools 1/1/1 access-egress service 1 | match expression "PIR|CIR"

Committed Burst Size

The committed burst size (CBS) parameters specify the amount of buffers that can be drawn

from the reserved buffer portion of the queue's buffer pool. Once the reserved buffers for a

given queue have been used, the queue contends with other queues for additional buffer

resources up to the maximum burst size.

The CBS is provisioned on ingress and egress service queues within service ingress QoS

policies and service egress QoS policies, respectively. The CBS for a queue is specified in

The CBS for network queues are defined within network queue policies based on the

forwarding class. The CBS for the queues for the forwarding class are defined as a percentage

of buffer space for the pool.

Quality of Service Guide

QoS Policies

: auto-expedite

: auto-expedite