Cisco ASR 9000 Series Configuration Manual page 78

How to Configure Modular QoS Congestion Avoidance on Cisco IOS XR Software
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
DETAILED STEPS
Command or Action
Step 1
configure
Example:
RP/0/RSP0/CPU0:router# configure
Step 2
policy-map policy-map-name
Example:
RP/0/RSP0/CPU0:router(config)# policy-map
policy1
Step 3
class class-name
Example:
RP/0/RSP0/CPU0:router(config-pmap)# class
class1
Step 4
random-detect [ default ]
Example:
RP/0/RSP0/CPU0:router(config-pmap-c)#
random-detect
Step 5
bandwidth { bandwidth [ units ] | percent value }
Example:
RP/0/RSP0/CPU0:router(config-pmap-c)# bandwidth
percent 30
Step 6
bandwidth remaining percent value
Example:
RP/0/RSP0/CPU0:router(config-pmap-c)# bandwidth
remaining percent 20
Cisco ASR 9000 Series Aggregation Services Router Modular Quality of Service Configuration Guide
QC-68
D r a f t — C i s c o C o n f i d e n t i a l
class class-name
random-detect [default]
bandwidth {bandwidth [units] | percent value}
bandwidth remaining percent value
shape average {percent percentage | value [units]}
exit
exit
interface type instance
service-policy {input | output} policy-map
end
or
commit
Configuring Modular QoS Congestion Avoidance on Cisco ASR 9000 Series Routers
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.
Enters policy map class configuration mode.
Specifies the name of the class whose policy you want
•
to create or change.
Enables RED with minimum and maximum thresholds.
(Optional) Specifies the bandwidth allocated for a class
belonging to a policy map.
(Optional) Specifies how to allocate leftover bandwidth to
various classes.
OL-17239-01