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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-38
Cisco IOS XR Modular Quality of Service Configuration Guide
Restrictions
The amount of bandwidth configured should be large enough to also accommodate Layer 2 overhead.
A policy map can have all class bandwidths specified in kilobits per second or percentages but not a
mixture of both in the same class.
The bandwidth command is supported only on policies configured on outgoing interfaces.
SUMMARY STEPS
1. configure
2. policy-map policy-name
3. class class-name
4. bandwidth {kbps | percent value}
5. bandwidth remaining percent value
6. exit
7. class class-name
8. bandwidth {kbps | percent value}
9. bandwidth remaining percent value
10. exit
11. exit
12. interface type instance
13. service-policy {input | output} policy-map
14. end
or
commit
15. 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
Specifies the name of the class whose policy you want to
create or change.