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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
or
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.