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

How to Configure QoS Congestion Management on Cisco IOS XR Software

QC-43

Cisco IOS XR Modular Quality of Service Configuration Guide

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

commit

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

DETAILED STEPS

Command or Action Purpose

Step 1

configure

Example:

RP/0/RP0/CPU0:router# configure

Enters global configuration mode.

Step 2

policy-map policy-name

Example:

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

policy1

Enters policy map configuration mode.

• Creates or modifies a policy map that can be attached to

one or more interfaces to specify a service policy.

Step 3

class class-name

Example:

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

Enters policy map class configuration mode.

• Specifies the name of the class whose policy you want

to create or change.

Step 4

shape average {percent value | kbps}

Example:

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

average percent 50

Shapes traffic to the indicated bit rate according to average

rate shaping in kilobits or the interface bandwidth in

percentage.

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Cisco Systems QC-29 Manuel d'utilisateur Page 15

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