Configuring Modular Quality of Service Congestion Management on Cisco IOS XR Software

How to Configure QoS Congestion Management on Cisco IOS XR Software

Shaping performed on incoming interfaces is done at the Layer 3 level and does not include the Layer 2 header in the rate calculation.

Restrictions

The bandwidth, priority, and shape average commands should not be configured together in the same class.

SUMMARY STEPS

1.configure

2.policy-map policy-name

3.class class-name

4.shape average {percent value kbps}

5.exit

6.exit

7.interface type instance

8.service-policy {input output} policy-map

9.end or commit

10.show policy-map interface type instance [input output]

DETAILED STEPS

 

Command or Action

Purpose

Step 1

 

 

configure

Enters global configuration mode.

 

Example:

 

 

RP/0/RP0/CPU0:router# configure

 

Step 2

 

 

policy-map policy-name

Enters policy map configuration mode.

 

 

Creates or modifies a policy map that can be attached to

 

Example:

one or more interfaces to specify a service policy.

 

RP/0/RP0/CPU0:router(config)# policy-map

 

 

policy1

 

Step 3

 

 

class class-name

Enters policy map class configuration mode.

 

 

Specifies the name of the class whose policy you want

 

Example:

to create or change.

 

RP/0/RP0/CPU0:router(config-pmap)# class class1

 

Step 4

 

 

shape average {percent value kbps}

Shapes traffic to the indicated bit rate according to average

 

 

rate shaping in kilobits or the interface bandwidth in

 

Example:

percentage.

 

 

 

RP/0/RP0/CPU0:router(config-pmap-c)# shape

 

 

average percent 50

 

 

 

 

Cisco IOS XR Modular Quality of Service Configuration Guide

QC-43

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Cisco Systems QC-29 manual Percentage, QC-43

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