Setup Guide

Table Of Contents
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 633
Enabling PVST+...............................................................................................................................................................634
Disabling PVST+..............................................................................................................................................................634
Influencing PVST+ Root Selection............................................................................................................................. 634
Modifying Global PVST+ Parameters........................................................................................................................ 636
Modifying Interface PVST+ Parameters................................................................................................................... 636
Configuring an EdgePort...............................................................................................................................................637
PVST+ in Multi-Vendor Networks.............................................................................................................................. 638
Enabling PVST+ Extend System ID............................................................................................................................ 638
PVST+ Sample Configurations.................................................................................................................................... 639
Chapter 43: Quality of Service (QoS).........................................................................................641
Implementation Information......................................................................................................................................... 643
Port-Based QoS Configurations..................................................................................................................................643
Setting dot1p Priorities for Incoming Traffic......................................................................................................643
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................644
Configuring Port-Based Rate Policing................................................................................................................. 644
Configuring Port-Based Rate Shaping.................................................................................................................645
Policy-Based QoS Configurations...............................................................................................................................646
Classify Traffic...........................................................................................................................................................646
Create a QoS Policy................................................................................................................................................. 649
Create Policy Maps................................................................................................................................................... 651
DSCP Color Maps........................................................................................................................................................... 654
Creating a DSCP Color Map...................................................................................................................................654
Displaying DSCP Color Maps................................................................................................................................. 655
Displaying a DSCP Color Policy Configuration ................................................................................................. 655
Enabling QoS Rate Adjustment................................................................................................................................... 656
Enabling Strict-Priority Queueing............................................................................................................................... 656
Weighted Random Early Detection............................................................................................................................ 656
Creating WRED Profiles.......................................................................................................................................... 657
Applying a WRED Profile to Traffic...................................................................................................................... 657
Displaying Default and Configured WRED Profiles........................................................................................... 658
Displaying WRED Drop Statistics..........................................................................................................................658
Displaying egressqueue Statistics...................................................................................................................... 658
Pre-Calculating Available QoS CAM Space..............................................................................................................659
Configuring Weights and ECN for WRED ................................................................................................................660
Configuring WRED and ECN Attributes.....................................................................................................................661
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................662
Sample configuration to mark non-ecn packets as yellow with Multiple traffic class..........................662
Classifying Incoming Packets Using ECN and Color-Marking........................................................................663
Sample configuration to mark non-ecn packets as yellow with single traffic class..............................664
Applying Layer 2 Match Criteria on a Layer 3 Interface....................................................................................... 665
Applying DSCP and VLAN Match Criteria on a Service Queue...........................................................................666
Classifying Incoming Packets Using ECN and Color-Marking............................................................................. 666
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................668
Sample configuration to mark non-ecn packets as yellow with Multiple traffic class............................... 669
Sample configuration to mark non-ecn packets as yellow with single traffic class....................................669
Chapter 44: Routing Information Protocol (RIP)........................................................................ 671
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