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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(15)BX
Description:
This command was introduced on the PRE2 and included the
kilobits per second
(kbps),
percent
, and
remaining percent
options.
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 feature was introduced on the PRE3.
Cisco IOS Release:
Release 12.2(31)SB6
Description:
This command supports per-session shaping and queuing on a L2TP Network Server
(LNS) on the PRE3.
Cisco IOS Release:
Release 12.2(31)SB2
Description:
This command was enhanced to support overhead accounting.
Cisco IOS Release:
Release 12.2(33)SB
Description:
This command was enhanced to support a user-defined offset, which the router uses when
calculating overhead.
bandwidth remaining ratio Command
Cisco IOS Release:
Release 12.2(31)SB2
Description:
The
bandwidth remaining ratio
command was introduced on the PRE3.
Distribution of Remaining Bandwidth Using Ratio
Cisco IOS Release:
Release 12.2(31)SB2
Description:
The distribution of remaining bandwidth using ratio feature was introduced on the PRE3
to allow you to prioritize subscriber traffic during periods of congestion. A bandwidth-remaining ratio
is used to influence how the router allocates excess bandwidth (unused by priority traffic) to a class of
non-priority traffic.
Dynamically Changing VC Weight and Watermark Values
Documentation Reference:
Chapter 17, “Configuring Dynamic Subscriber Services”
Cisco IOS Release:
Release 12.3(7)XI7
Description:
The DBS Extensions—VC Weight and Watermarks feature was introduced on the PRE2 to
enable you to modify existing VC weight and watermark values without tearing down and recreating the
VC.
Cisco IOS Release:
Release 12.2(28)SB
Description:
This feature was integrated in Cisco IOS Release 12.2(28)SB.