Chapter 1
Quality of Service Overview
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.
Virtual LAN Oversubscription Feature
Cisco IOS Release: Release 12.3(7)XI1
Description: The virtual LAN (VLAN) oversubscription feature was introduced on the PRE2 to enable
you to assign a total committed information rate (CIR) to a given VLAN that is greater than the speed
of the interface.
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 command was introduced on the PRE3 to allow the aggregate VLAN rates to exceed
the available bandwidth. The oversubscription factor is a value from 1 to 500.
queue-depth Command
Cisco IOS Release: Release 12.3(7)XI1
Description: The queue-depth command was introduced on the PRE2 to allow you to configure the
segmentation and reassembly (SAR) line card queue depth for each VC interface queue.
Cisco IOS Release: Release 12.2(28)SB
Description: This command was integrated in Cisco IOS Release 12.2(28)SB.
Cisco IOS Release: Release 12.2(31)SB2
Description: This command was introduced on the PRE3.
weight Command
Cisco IOS Release: Release 12.3(7)XI1
Description: The weight command was introduced on the PRE2 to allow you to control virtual circuit
(VC) bandwidth when the virtual path (VP) is congested.
Cisco IOS Release: Release 12.2(28)SB
Description: This command was integrated in Cisco IOS Release 12.2(28)SB.
Cisco IOS Release: Release 12.2(31)SB2
Description: This command was introduced on the PRE3.
OL-7433-09
Cisco 10000 Series Router Quality of Service Configuration Guide
QoS Features, Commands, and Changes
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