Cisco CRS Command Reference Guide

Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
For more information regarding the traffic policing feature refer to the police rate, on page 63 command.
The violate-action command can set the DSCP, the precedence, or the discard class for IP packets, and
experimental and discard-class values for MPLS packets.
Task ID
OperationsTask ID
read, writeqos
Examples
In the following example for MPLS, traffic policing is configured to drop packets that violate the rate limit:
RP/0/RP0/CPU0:router(config)# class-map class1
RP/0/RP0/CPU0:router(config-cmap)# match mpls experimental topmost 0
RP/0/RP0/CPU0:router(config-cmap)# exit
RP/0/RP0/CPU0:router(config)# policy-map policy1
RP/0/RP0/CPU0:router(config-pmap)# class class1
RP/0/RP0/CPU0:router(config-pmap-c)# police rate 250 kbps burst 50
RP/0/RP0/CPU0:router(config-pmap-c-police)# violate-action drop
RP/0/RP0/CPU0:router(config-pmap-c-police)# exit
RP/0/RP0/CPU0:router(config-pmap-c)# exit
RP/0/RP0/CPU0:router(config-pmap)# exit
RP/0/RP0/CPU0:router(config)# interface gigabitethernet 0/1/0/9
RP/0/RP0/CPU0:router(config-if) service-policy input policy1
Related Commands
DescriptionCommand
Configures the action to take on packets that conform to the rate
limit.
conform-action, on page 17
Configures the action to take on packets that exceed the rate limit.exceed-action, on page 23
Configures traffic policing and enters policy map police
configuration mode.
police rate, on page 63
Creates or modifies a policy map that can be attached to one or more
interfaces to specify a service policy.
policy-map, on page 67
Displays policy configuration information for all classes configured
for all service policies on the specified interface.
show policy-map interface, on page 125
Cisco IOS XR Modular Quality of Service Command Reference for the Cisco CRS Router, Release 4.0
OL-23235-03 145
Quality of Service Commands on the Cisco IOS XR Software
violate-action

Cisco CRS Specifications

General

Operating System	Cisco IOS XR
Product Type	Core Router
Form Factor	Modular Chassis
Dimensions	Varies by chassis type
Weight	Varies by chassis type
Architecture	Distributed
Switch Fabric	Multi-stage
Interface Support	Ethernet, SONET/SDH, OTN
Interfaces/Ports	Varies by line card
Port Density	Varies by line card
Routing Protocol	BGP, IS-IS, OSPF, MPLS
Management	CLI, SNMP
Power Supply	Redundant, hot-swappable
Cooling	Redundant, Hot-swappable Fan Trays
Supported Protocols	IPv4, IPv6, MPLS
Management Interfaces	Ethernet, console
Security Features	ACLs