Administrator Guide

PVST+ in Multi-Vendor Networks..................................................................................................................................659
Enabling PVST+ Extend System ID................................................................................................................................ 659
PVST+ Sample Configurations........................................................................................................................................660
42 Quality of Service (QoS)......................................................................................................... 662
Implementation Information.............................................................................................................................................664
Port-Based QoS Configurations......................................................................................................................................664
Setting dot1p Priorities for Incoming Traffic............................................................................................................664
Honoring dot1p Priorities on Ingress Traffic............................................................................................................ 665
Configuring Port-Based Rate Policing......................................................................................................................665
Configuring Port-Based Rate Shaping..................................................................................................................... 665
Policy-Based QoS Configurations...................................................................................................................................666
Classify Traffic.............................................................................................................................................................666
Dot1p to Queue Mapping Requirement....................................................................................................................669
Create a QoS Policy.................................................................................................................................................... 670
DSCP Color Maps........................................................................................................................................................672
Create Policy Maps..................................................................................................................................................... 674
Enabling QoS Rate Adjustment....................................................................................................................................... 676
Enabling Strict-Priority Queueing....................................................................................................................................677
Queue Classification Requirements for PFC Functionality.......................................................................................... 677
Support for marking dot1p value in L3 Input Qos Policy.............................................................................................. 677
Weighted Random Early Detection.................................................................................................................................678
Creating WRED Profiles............................................................................................................................................. 679
Applying a WRED Profile to Traffic...........................................................................................................................679
Displaying Default and Configured WRED Profiles................................................................................................. 679
Displaying WRED Drop Statistics.............................................................................................................................. 680
Displaying egress–queue Statistics...........................................................................................................................680
Pre-Calculating Available QoS CAM Space...................................................................................................................680
Specifying Policy-Based Rate Shaping in Packets Per Second...................................................................................681
Configuring Policy-Based Rate Shaping.........................................................................................................................682
Configuring Weights and ECN for WRED .....................................................................................................................682
Configuring WRED and ECN Attributes.........................................................................................................................683
Guidelines for Configuring ECN for Classifying and Color-Marking Packets............................................................ 684
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class.................................... 684
Classifying Incoming Packets Using ECN and Color-Marking...............................................................................685
Sample configuration to mark non-ecn packets as “yellow” with single traffic class........................................ 686
Applying Layer 2 Match Criteria on a Layer 3 Interface...............................................................................................687
Managing Hardware Buffer Statistics...................................................................................................................... 688
Enabling Buffer Statistics Tracking ................................................................................................................................688
43 Routing Information Protocol (RIP).......................................................................................... 691
Protocol Overview.............................................................................................................................................................691
RIPv1..............................................................................................................................................................................691
RIPv2............................................................................................................................................................................. 691
Implementation Information..............................................................................................................................................691
Configuration Information................................................................................................................................................ 692
Configuration Task List...............................................................................................................................................692
RIP Configuration Example........................................................................................................................................ 697
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