Users Guide

Enabling PVST+ Extend System ID.................................................................................................................................610
PVST+ Sample Configurations......................................................................................................................................... 611
Chapter 42: Quality of Service (QoS)............................................................................................ 613
Implementation Information..............................................................................................................................................615
Port-Based QoS Configurations...................................................................................................................................... 615
Setting dot1p Priorities for Incoming Traffic............................................................................................................ 615
Honoring dot1p Priorities on Ingress Traffic............................................................................................................. 616
Configuring Port-Based Rate Policing.......................................................................................................................616
Configuring Port-Based Rate Shaping...................................................................................................................... 616
Policy-Based QoS Configurations....................................................................................................................................617
Classify Traffic..............................................................................................................................................................617
Create a QoS Policy....................................................................................................................................................620
Create Policy Maps..................................................................................................................................................... 622
DSCP Color Maps............................................................................................................................................................. 625
Creating a DSCP Color Map...................................................................................................................................... 625
Displaying DSCP Color Maps.....................................................................................................................................626
Displaying a DSCP Color Policy Configuration ....................................................................................................... 626
Enabling QoS Rate Adjustment....................................................................................................................................... 627
Enabling Strict-Priority Queueing....................................................................................................................................627
Weighted Random Early Detection.................................................................................................................................628
Creating WRED Profiles............................................................................................................................................. 629
Applying a WRED Profile to Traffic...........................................................................................................................629
Displaying Default and Configured WRED Profiles................................................................................................. 630
Displaying WRED Drop Statistics.............................................................................................................................. 630
Displaying egress-queue Statistics............................................................................................................................630
Pre-Calculating Available QoS CAM Space...................................................................................................................630
Configuring Weights and ECN for WRED ..................................................................................................................... 631
Configuring WRED and ECN Attributes.........................................................................................................................633
Guidelines for Configuring ECN for Classifying and Color-Marking Packets............................................................ 633
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class.................................... 634
Classifying Incoming Packets Using ECN and Color-Marking...............................................................................634
Sample configuration to mark non-ecn packets as “yellow” with single traffic class........................................ 635
Applying Layer 2 Match Criteria on a Layer 3 Interface.............................................................................................. 636
Applying DSCP and VLAN Match Criteria on a Service Queue.................................................................................. 637
Classifying Incoming Packets Using ECN and Color-Marking.....................................................................................638
Guidelines for Configuring ECN for Classifying and Color-Marking Packets............................................................ 639
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class.......................................... 640
Sample configuration to mark non-ecn packets as “yellow” with single traffic class.............................................. 640
Enabling Buffer Statistics Tracking ................................................................................................................................ 641
Chapter 43: Routing Information Protocol (RIP)............................................................................ 644
Protocol Overview............................................................................................................................................................ 644
RIPv1............................................................................................................................................................................. 644
RIPv2.............................................................................................................................................................................644
Implementation Information.............................................................................................................................................644
Configuration Information................................................................................................................................................ 645
Configuration Task List...............................................................................................................................................645
RIP Configuration Example........................................................................................................................................ 650
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