Cisco 10000 Series User Manual

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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(16)BX
Description: This feature was introduced on the PRE2.
Cisco IOS Release: Release 12.3(7)XI
Description: This feature was enhanced on the PRE2 to:
• Enable the configuration of eight unique drop precedence levels for one queue instead of four levels
• Allow the simultaneous configuration of both the random-detect and queue-limit commands for a
class queue
• Support discard-class-based WRED
• Maintain separate WRED drop statistics for each IP precedence, discard-class, and DSCP value
Cisco IOS Release: Release 12.2(28)SB
Description: This feature was integrated in Cisco IOS Release 12.2(28)SB on the PRE2.
Cisco IOS Release: Release 12.2(31)SB2
Description: This feature was introduced on the PRE3. It provides DiffServ-compliant WRED and uses
per-packet RED.
Cisco IOS Release: Release 12.2(33)SB
Description: ATM cell loss priority-based WRED was introduced on the PRE3 and PRE4 to configure
a drop policy for WRED based on the CLP value.
Distributing Bandwidth Between Queues
Documentation Reference: Chapter 5, “Distributing Bandwidth Between Queues”
• bandwidth Command, page 1-25
• bandwidth remaining ratio Command, page 1-26
• Distribution of Remaining Bandwidth Using Ratio, page 1-26
bandwidth Command
Cisco IOS Release: Release 12.0(17)SL
Description: The bandwidth command was introduced on the PRE1 to enable bandwidth fair queuing
and to create multiple class queues based on bandwidth.
Cisco IOS Release: Release 12.0(22)S
Description: This command was enhanced to include the percent option.
Cisco IOS Release: Release 12.0(23)SX
Description: This command was enhanced to include the remaining percent option.

Cisco 10000 Series Specifications

General

Brand	Cisco
Model	10000 Series
Category	Network Router
Language	English