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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-39

Cisco IOS XR Modular Quality of Service Configuration Guide

Step 4

bandwidth {kbps | percent value}

Example:

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

percent 50

Enters policy map class configuration mode.

• Specifies the bandwidth allocated for a class belonging

to a policy map.

• In this example, class class1 is guaranteed 50 percent of

the interface bandwidth.

Step 5

bandwidth remaining percent value

Example:

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

remaining percent 20

Specifies how to allocate leftover bandwidth to various

classes.

• The remaining bandwidth of 40 percent is shared by

class class1 and class2 (see Steps 8 and 9) in a 20:80

ratio: class class1 receives 20 percent of the 40 percent,

and class class2 receives 80 percent of the 40 percent.

Step 6

exit

Example:

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

Returns the router to policy map configuration mode.

Step 7

class class-name

Example:

RP/0/RP0/CPU0:router(config-pmap)# class class2

Specifies the name of a different class whose policy you

want to create or change.

Step 8

bandwidth {kbps | percent value}

Example:

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

percent 10

Specifies the bandwidth allocated for a class belonging to a

policy map.

• In this example, class class2 is guaranteed 10 percent of

the interface bandwidth.

Step 9

bandwidth remaining percent value

Example:

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

remaining percent 80

Specifies how to allocate leftover bandwidth to various

classes.

• The remaining bandwidth of 40 percent is shared by

class class1 (see Steps 4 and 5) and class2 in a 20:80

ratio: class class1 receives 20 percent of the 40 percent,

and class class2 receives 80 percent of the 40 percent.

Step 10

exit

Example:

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

Returns the router to policy map configuration mode.

Step 11

exit

Example:

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

Returns the router to global configuration mode.

Step 12

interface type instance

Example:

RP/0/RP1/CPU0:router(config)# interface POS

0/2/0/0

Enters interface configuration mode and configures an

interface.

Command or Action Purpose

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Cisco Systems QC-29 Manuel d'utilisateur Page 11

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