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Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 1 Quality of Service Overview
QoS Features, Commands, and Changes
Cisco IOS Release: Release 12.2(31)SB2
Description: This command was introduced on the PRE3 to allow you to police traffic on the L2TP
access concentrator (LAC) based on the value of a packet’s IP DSCP bits.
show atm vp Command
Cisco IOS Release: Release 12.2(33)SB
Description: The show atm vp command was enhanced on the PRE2, PRE3, and PRE4 to provide rate
information. Minute counters on the ATM VPs support the show
atm vp command.
Percent-Based Policing Feature
Cisco IOS Release: Release 12.0(25)SX
Description: The percent-based policing feature was introduced on the PRE1 to allow you to configure
traffic policing as a percentage of the interface bandwidth on which policing is applied. Configuring
traffic policing based on bandwidth percentage enables you to use the same policy map for multiple
interfaces with differing amounts of bandwidth.
Cisco IOS Release: Release 12.3(7)XI
Description: This feature was introduced on the PRE2.
Cisco IOS Release: Release 12.2(28)SB
Description: This feature was enhanced on the PRE2 to allow you to configure two traffic policing rates
as a percentage: the committed information rate (CIR) and the peak information rate (PIR).
Cisco IOS Release: Release 12.2(31)SB2
Description: This command was introduced on the PRE3 to allow you to police traffic on the L2TP
access concentrator (LAC) based on the value of a packet’s IP DSCP bits.
Policing Feature
Cisco IOS Release: Release 12.0(17)SL
Description: The policing feature was introduced on the PRE1 to allow you to control the maximum rate
of traffic sent or received on an interface. This feature included a single-rate two-color policer.
Cisco IOS Release: Release 12.0(25)S
Description: This feature was enhanced on the PRE1 to include a three-color marker.
Cisco IOS Release: Release 12.2(16)BX
Description: This feature was introduced on the PRE2 and included a single-rate two-color marker.
Cisco IOS Release: Release 12.3(7)XI
Description: This feature was enhanced on the PRE2 to include a three-color marker.
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