Where To Go Next - Cisco ASR 9000 Series Configuration Manual

Aggregation services router modular quality of service
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Where to Go Next

If the policy map is applied on a main interface that has subinterfaces, then the configuration is
considered as a 1CnD configuration model. Hence, the child policy must be applied on each subinterface
and the parent policer polices the aggregate traffic from all subinterfaces.
For example:
interface TenGigE 0/2/0/1.2
!
policy-map bronze-residential
!
end-policy-map
!
In this configuration, the child policy is applied on each of the subinterfaces and the aggregate traffic
from all subinterfaces is subjected to the parent policer. In this model, the child policy is not permitted
any queueing actions.
Following is an example of the configuration for a nCmD model.
class-map match-any customera
class-map match-any customerb
policy-map parent
Similar to the 1CnD model, the aggregate traffic from all subinterfaces that match each parent class map
is subjected to the parent policer configured in that class map. Also, the child policy is not permitted any
queuing actions.
Where to Go Next
To configure class-based traffic shaping, traffic policing, and low latency queueing, see the "Configuring
Modular QoS Congestion Avoidance on Cisco ASR 9000 Series Routers" module in this guide.
To configure WRED and tail drop, see the see the "Configuring Modular QoS Congestion Avoidance on
Cisco ASR 9000 Series Routers" module in this guide.
Cisco ASR 9000 Series Aggregation Services Router Modular Quality of Service Configuration Guide
QC-34
Configuring Modular Quality of Service Packet Classification on Cisco ASR 9000 Series Routers
D r a f t — C i s c o C o n f i d e n t i a l
encapsulation dot1q 1 second-dot1q 2
service-policy input bronze-residential
class class-default
service-policy services2
shape average 8 mbps
match vlan 1-3
match vlan 4-7
class customera
service-policy childa
police rate percent 50
conform-action transmit
exceed-action drop
!
class customerb
service-policy childb
police rate percent 70
conform-action transmit
exceed-action drop
!
!
OL-17239-01

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