Cisco 10000 Series

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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 with an oversubscription factor from 1 to 500.
ATM Virtual Circuit Oversubscription Feature
Cisco IOS Release: Release 12.2(16)BX
Description: The ATM virtual circuit (VC) oversubscription feature was introduced on the PRE2 to
enable you to assign a rate to a variable bit rate-nonreal time (VBR-nrt) VC, a constant bit rate (CBR)
VC, or a virtual path (VP) tunnel that is greater than the speed of the interface. The amount of allowable
oversubscription is 1 to 50 times the physical transmission capacity.
Cisco IOS Release: Release 12.3(7)XI3
Description: The amount of allowable ATM VC oversubscription was increased to 500 on the PRE2.
For example, you can oversubscribe the physical transmission capacity from 1 to 500 times.
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 with an oversubscription factor from 1 to 500.
map-class frame-relay Command
Documentation Reference: Appendix A, “Configuring Frame Relay QoS Using Frame Relay Legacy
Commands”
Cisco IOS Release: Release 12.0(23)SX
Description: The map-class frame-relay command was introduced on the PRE1.
Cisco IOS Release: Release 12.0(25)S
Description: This command was ported to the S train.
Cisco IOS Release: Release 12.2(15)BX
Description: This command was introduced on the PRE2.
Cisco IOS Release: Release 12.2(28)SB
Description: This command was integrated in Cisco IOS Release 12.2(28)SB.
Frame Relay PVC Oversubscription Feature
Cisco IOS Release: Release 12.3(7)XI1
Description: The Frame Relay PVC oversubscription feature was introduced on the PRE2 to enable you
to assign a total committed information rate (CIR) to a given PVC that is greater than the speed of the
interface.