Concept Guide

ManualsBrandsDell ManualsAccess PlatformsNetworking S3100 Series

PVST+ Sample Congurations..................................................................................................................................... 707

43 Quality of Service (QoS).......................................................................................................................... 710

Implementation Information...........................................................................................................................................712

Port-Based QoS Congurations................................................................................................................................... 712

Setting dot1p Priorities for Incoming Trac..........................................................................................................712

Honoring dot1p Priorities on Ingress Trac...........................................................................................................713

Conguring Port-Based Rate Policing................................................................................................................... 714

Conguring Port-Based Rate Shaping...................................................................................................................714

Policy-Based QoS Congurations.................................................................................................................................715

Classify Trac...........................................................................................................................................................715

Create a QoS Policy................................................................................................................................................. 718

Create Policy Maps...................................................................................................................................................721

DSCP Color Maps..........................................................................................................................................................724

Creating a DSCP Color Map...................................................................................................................................724

Displaying DSCP Color Maps................................................................................................................................. 725

Displaying a DSCP Color Policy Conguration .................................................................................................... 726

Enabling QoS Rate Adjustment....................................................................................................................................726

Enabling Strict-Priority Queueing.................................................................................................................................727

Weighted Random Early Detection.............................................................................................................................. 727

Creating WRED Proles.......................................................................................................................................... 728

Applying a WRED Prole to Trac........................................................................................................................ 729

Displaying Default and Congured WRED Proles.............................................................................................. 729

Displaying WRED Drop Statistics...........................................................................................................................729

Displaying egress–queue Statistics....................................................................................................................... 730

Pre-Calculating Available QoS CAM Space................................................................................................................ 730

Conguring Weights and ECN for WRED .................................................................................................................. 731

Global Service Pools With WRED and ECN Settings..........................................................................................732

Conguring WRED and ECN Attributes......................................................................................................................733

Guidelines for Conguring ECN for Classifying and Color-Marking Packets......................................................... 733

Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class..................................734

Classifying Incoming Packets Using ECN and Color-Marking............................................................................734

Sample conguration to mark non-ecn packets as “yellow” with single trac class......................................736

Applying Layer 2 Match Criteria on a Layer 3 Interface............................................................................................ 737

Applying DSCP and VLAN Match Criteria on a Service Queue...............................................................................738

Classifying Incoming Packets Using ECN and Color-Marking..................................................................................739

Guidelines for Conguring ECN for Classifying and Color-Marking Packets......................................................... 740

Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class.........................................741

Sample conguration to mark non-ecn packets as “yellow” with single trac class.............................................741

44 Routing Information Protocol (RIP)..........................................................................................................743

Protocol Overview......................................................................................................................................................... 743

RIPv1..........................................................................................................................................................................743

RIPv2......................................................................................................................................................................... 743

Implementation Information..........................................................................................................................................744

Conguration Information............................................................................................................................................. 744

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