Reference Guide

Enabling PVST+ Extend System ID...................................................................................................758
PVST+ Sample Configurations......................................................................................................... 759
47 Quality of Service (QoS)................................................................................ 761
Implementation Information............................................................................................................ 763
Port-Based QoS Configurations.......................................................................................................763
Setting dot1p Priorities for Incoming Traffic..............................................................................764
Honoring dot1p Priorities on Ingress Traffic..............................................................................764
Configuring Port-Based Rate Policing....................................................................................... 765
Configuring Port-Based Rate Shaping....................................................................................... 765
Policy-Based QoS Configurations................................................................................................... 766
Classify Traffic............................................................................................................................. 766
Create a QoS Policy.................................................................................................................... 770
Create Policy Maps......................................................................................................................772
DSCP Color Maps..............................................................................................................................776
Creating a DSCP Color Map....................................................................................................... 776
Displaying DSCP Color Maps...................................................................................................... 777
Displaying a DSCP Color Policy Configuration ......................................................................... 777
Enabling QoS Rate Adjustment........................................................................................................ 778
Enabling Strict-Priority Queueing.................................................................................................... 778
Weighted Random Early Detection..................................................................................................779
Creating WRED Profiles.............................................................................................................. 780
Applying a WRED Profile to Traffic.............................................................................................780
Displaying Default and Configured WRED Profiles................................................................... 780
Displaying WRED Drop Statistics................................................................................................780
Pre-Calculating Available QoS CAM Space.....................................................................................780
Configuring Weights and ECN for WRED ....................................................................................... 782
Global Service Pools With WRED and ECN Settings..................................................................782
Configuring WRED and ECN Attributes........................................................................................... 784
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................ 785
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..........785
Classifying Incoming Packets Using ECN and Color-Marking..................................................786
Sample configuration to mark non-ecn packets as “yellow” with single traffic class............. 788
Applying Layer 2 Match Criteria on a Layer 3 Interface.................................................................. 789
Applying DSCP and VLAN Match Criteria on a Service Queue.......................................................790
Classifying Incoming Packets Using ECN and Color-Marking........................................................791
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................ 793
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class................794
Sample configuration to mark non-ecn packets as “yellow” with single traffic class................... 794
48 Routing Information Protocol (RIP)........................................................... 796
Protocol Overview............................................................................................................................796