Cisco ASR 9000 Series

Configuring Modular QoS Congestion Management on Cisco ASR 9000 Series Routers
Contents
QC-44
Cisco ASR 9000 Series Aggregation Services Router Modular Quality of Service Configuration Guide
OL-23108-02
Feature History for Configuring Modular QoS Congestion Management on Cisco ASR 9000 Series Routers
Contents
• Prerequisites for Configuring QoS Congestion Management on Cisco ASR 9000 Series Routers,
page 44
• Information About Configuring QoS Congestion Management on Cisco ASR 9000 Series Routers,
page 45
• How to Configure QoS Congestion Management on Cisco ASR 9000 Series Routers, page 51
• Configuration Examples for Configuring QoS Congestion Management on
Cisco ASR 9000 Series Routers, page 68
• Additional References, page 71
Prerequisites for Configuring QoS Congestion Management on
Cisco
ASR 9000 Series Routers
The following prerequisites are required for configuring QoS congestion management on your network:
• You must be in a user group associated with a task group that includes the proper task IDs. The
command reference guides include the task IDs required for each command. If you suspect user
group assignment is preventing you from using a command, contact your AAA administrator for
assistance.
• You must be familiar with Cisco IOS XR QoS configuration tasks and concepts.
Release Modification
Release 3.7.2 The Congestion Avoidance feature was introduced on ASR 9000 Ethernet
Line Cards..
The Guaranteed and Remaining Bandwidth, Low-Latency Queueing with
Strict Priority Queueing, Traffic Policing, and Traffic Shaping features
were introduced on ASR 9000 Ethernet Line Cards.
Release 3.9.0 The Guaranteed and Remaining Bandwidth, Low-Latency Queueing with
Strict Priority Queueing, Traffic Policing, and Traffic Shaping features
were supported on the SIP 700 for the ASR 9000.
Release 4.0 The Congestion Management Using DEI feature was introduced on ASR
9000 Ethernet Line Cards.
Release 4.0.1 The police rate command was updated to include packet-based
specifications of policing rates and burst sizes.