QoS Features, Commands, and Changes
Cisco IOS Release: Release 12.2(31)SB2
Description: This feature was introduced on the PRE3.
Three-Level Hierarchical Policies
Cisco IOS Release: Release 12.0(25)SX
Description: The nested hierarchical policies feature was enhanced on the PRE1 to support three-level
hierarchical policies.
Cisco IOS Release: Release 12.3(7)XI
Description: The nested hierarchical policies feature was enhanced on the PRE2 to support three-level
hierarchical policies.
Cisco IOS Release: Release 12.2(28)SB
Description: This feature was integrated in Cisco IOS Release 12.2(28)SB.
Cisco IOS Release: Release 12.2(31)SB2
Description: This feature was introduced on the PRE3.
Hierarchical Input Policing
Cisco IOS Release: Release 12.2(28)SB
Description: The hierarchical input policing feature was introduced on the PRE2 to define up to two
levels of hierarchy for inbound traffic only.
Cisco IOS Release: Release 12.2(31)SB2
Description: This feature was introduced on the PRE3.
Cisco 10000 Series Router Quality of Service Configuration Guide
1-28
Chapter 1
Quality of Service Overview
OL-7433-09