Cisco ASR 9000 Series Service Configuration Manual page 97

Configuring Modular QoS Congestion Avoidance on Cisco ASR 9000 Series Routers
The default queue-limit is set to bytes of 100 ms of queue bandwidth. The following formula is used to
Note
calculate the default queue limit (in bytes):
bytes = (100 ms / 1000 ms) * queue_bandwidth kbps)) / 8
Restrictions
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SUMMARY STEPS
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DETAILED STEPS
Command or Action
Step 1
configure
Example:
RP/0/RSP0/CPU0:router# configure
Step 2
policy-map policy-name
Example:
RP/0/RSP0/CPU0:router(config)# policy-map
policy1
OL-23108-02
How to Configure Modular QoS Congestion Avoidance on Cisco ASR 9000 Series Routers
When configuring the queue-limit command in a class, you must configure one of the following
commands: priority, shape average, bandwidth, or bandwidth remaining, except for the default
class.
configure
policy-map policy-name
class class-name
queue-limit value [units]
class class-name
bandwidth {bandwidth [units] | percent value}
or
bandwidth remaining [percent value | ratio ratio-value]
exit
exit
interface type interface-path-id
service-policy {input | output} policy-map
end
or
commit
Cisco ASR 9000 Series Aggregation Services Router Modular Quality of Service Configuration Guide
Purpose
Enters global configuration mode.
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.
QC-83