Users Guide

ManualsBrandsDell ManualsAccess PlatformsPowerSwitch S4820T

Disabling PVST+.............................................................................................................................................................662

Inuencing PVST+ Root Selection..................................................................................................................................663

Modifying Global PVST+ Parameters............................................................................................................................. 664

Modifying Interface PVST+ Parameters......................................................................................................................... 665

Conguring an EdgePort................................................................................................................................................666

PVST+ in Multi-Vendor Networks.................................................................................................................................. 666

Enabling PVST+ Extend System ID.................................................................................................................................667

PVST+ Sample Congurations....................................................................................................................................... 667

43 Quality of Service (QoS)........................................................................................... 670

Implementation Information.............................................................................................................................................671

Port-Based QoS Congurations..................................................................................................................................... 672

Setting dot1p Priorities for Incoming Trac..............................................................................................................672

Honoring dot1p Priorities on Ingress Trac...............................................................................................................672

Conguring Port-Based Rate Policing...................................................................................................................... 673

Conguring Port-Based Rate Shaping......................................................................................................................673

Policy-Based QoS Congurations................................................................................................................................... 674

Classify Trac.......................................................................................................................................................... 674

Create a QoS Policy..................................................................................................................................................678

Create Policy Maps.................................................................................................................................................. 679

DSCP Color Maps....................................................................................................................................................683

Enabling QoS Rate Adjustment...................................................................................................................................... 685

Enabling Strict-Priority Queueing................................................................................................................................... 685

Weighted Random Early Detection.................................................................................................................................685

Creating WRED Proles........................................................................................................................................... 686

Applying a WRED Prole to Trac........................................................................................................................... 687

Displaying Default and Congured WRED Proles.................................................................................................... 687

Displaying WRED Drop Statistics..............................................................................................................................687

Displaying egress-queue Statistics........................................................................................................................... 688

Pre-Calculating Available QoS CAM Space.................................................................................................................... 688

Conguring Weights and ECN for WRED ......................................................................................................................689

Global Service Pools With WRED and ECN Settings................................................................................................690

Conguring WRED and ECN Attributes.......................................................................................................................... 691

Guidelines for Conguring ECN for Classifying and Color-Marking Packets................................................................... 692

Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class............................................. 692

Classifying Incoming Packets Using ECN and Color-Marking................................................................................... 692

Sample conguration to mark non-ecn packets as “yellow” with single trac class.................................................694

Applying Layer 2 Match Criteria on a Layer 3 Interface............................................................................................695

Applying DSCP and VLAN Match Criteria on a Service Queue................................................................................ 696

Enabling Buer Statistics Tracking ................................................................................................................................ 697

44 Routing Information Protocol (RIP)...........................................................................699

Protocol Overview......................................................................................................................................................... 699

RIPv1........................................................................................................................................................................699

RIPv2.......................................................................................................................................................................699

Implementation Information........................................................................................................................................... 699