Configuring an EdgePort......................................................................................................................................658

PVST+ in Multi-Vendor Networks...................................................................................................................... 658

Enabling PVST+ Extend System ID.....................................................................................................................659

PVST+ Sample Configurations............................................................................................................................ 659

43 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.............................................................................................. 664

Configuring Port-Based Rate Policing.........................................................................................................665

Configuring Port-Based Rate Shaping.........................................................................................................665

Policy-Based QoS Configurations..................................................................................................................... 666

Classify Traffic...................................................................................................................................................666

Create a QoS Policy......................................................................................................................................... 671

Create Policy Maps.......................................................................................................................................... 674

DSCP Color Maps................................................................................................................................................... 677

Creating a DSCP Color Map...........................................................................................................................677

Displaying DSCP Color Maps.........................................................................................................................678

Displaying a DSCP Color Policy Configuration ........................................................................................ 678

Enabling QoS Rate Adjustment........................................................................................................................... 679

Enabling Strict-Priority Queueing.......................................................................................................................679

Weighted Random Early Detection................................................................................................................... 680

Creating WRED Profiles...................................................................................................................................681

Applying a WRED Profile to Traffic............................................................................................................... 681

Displaying Default and Configured WRED Profiles...................................................................................682

Displaying WRED Drop Statistics.................................................................................................................. 682

Displaying egress-queue Statistics............................................................................................................... 682

Explicit Congestion Notification......................................................................................................................... 683

ECN Packet Classification.............................................................................................................................. 683

Example: Color-marking non-ECN Packets in One Traffic Class......................................................... 684

Example: Color-marking non-ECN Packets in Different Traffic Classes.............................................684

Configuring Weights and ECN for WRED ........................................................................................................ 685

Global Service Pools With WRED and ECN Settings................................................................................ 686

Benefits of Using a Configurable Weight for WRED with ECN...............................................................687

Setting Average Queue Size using a Weight.............................................................................................. 688

Global Service-Pools for WRED with ECN................................................................................................. 688

Configuring WRED and ECN Attributes.......................................................................................................689

Pre-Calculating Available QoS CAM Space......................................................................................................690

SNMP Support for Buffer Statistics Tracking.................................................................................................... 691

Enabling Buffer Statistics Tracking .................................................................................................................... 692

44 Routing Information Protocol (RIP)..............................................................................................................693

Protocol Overview................................................................................................................................................. 693

RIPv1....................................................................................................................................................................693

RIPv2................................................................................................................................................................... 693

9.10(0.1)

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