Cisco Cisco IOS Software Release 12.2(2)XK
Voice and Quality of Service Features for ADSL on Cisco 2600 and 3600 Series Routers
Feature Overview
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Cisco IOS Release 12.2(2)XK
Driver Per-VC Queuing
In Cisco IOS Release 12.2(2)XK, per-virtual circuit (per-VC) queuing is supported on ADSL interfaces
at the driver level, similar to VC-queuing features on other ATM interfaces. This feature underlies many
of the IOS QoS queuing features, such as LLQ.
at the driver level, similar to VC-queuing features on other ATM interfaces. This feature underlies many
of the IOS QoS queuing features, such as LLQ.
For more information about per-VC queuing, refer to the following documents:
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Congestion Avoidance
The following existing Cisco IOS congestion avoidance feature is now supported on ADSL:
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Class-Based WRED with DSCP (egress)
Weighted random early detection (WRED) is supported in Release 12.2(2)XK.
For more information about WRED, refer to the following documents:
•
Quality of Service Overview
” in the Cisco IOS Quality of Service Solutions
Configuration Guide
•
Cisco IOS Quality of Service Solutions Command Reference
, Release 12.2
Policing and Traffic Shaping
The following existing Cisco IOS policing and shaping features are now supported on ADSL:
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Class-Based Policing
For information about traffic classes and traffic policies, refer to the following document:
The chapter “
Configuring Traffic Policing
” in the Cisco IOS Quality of Service Solutions Configuration
Guide, Release 12.2
For information about per-ATM VC shaping for variable bit rate-nonreal time (VBR-NRT), refer to the
following document:
following document:
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