Users Guide

Configuring an EdgePort............................................................................................................................................... 713
PVST+ in Multi-Vendor Networks............................................................................................................................... 713
Enabling PVST+ Extend System ID..............................................................................................................................713
PVST+ Sample Configurations..................................................................................................................................... 714
42 Quality of Service (QoS).......................................................................................................................... 717
Implementation Information.......................................................................................................................................... 719
Port-Based QoS Configurations...................................................................................................................................719
Setting dot1p Priorities for Incoming Traffic.........................................................................................................719
Honoring dot1p Priorities on Ingress Traffic.........................................................................................................720
Configuring Port-Based Rate Policing................................................................................................................... 721
Configuring Port-Based Rate Shaping...................................................................................................................721
Policy-Based QoS Configurations................................................................................................................................722
Classify Traffic......................................................................................................................................................... 722
Create a QoS Policy................................................................................................................................................ 726
Create Policy Maps................................................................................................................................................. 728
DSCP Color Maps..........................................................................................................................................................732
Creating a DSCP Color Map...................................................................................................................................732
Displaying DSCP Color Maps................................................................................................................................. 733
Displaying a DSCP Color Policy Configuration ....................................................................................................733
Enabling QoS Rate Adjustment....................................................................................................................................734
Enabling Strict-Priority Queueing................................................................................................................................ 734
Weighted Random Early Detection............................................................................................................................. 735
Creating WRED Profiles..........................................................................................................................................736
Applying a WRED Profile to Traffic....................................................................................................................... 736
Displaying Default and Configured WRED Profiles..............................................................................................736
Displaying WRED Drop Statistics...........................................................................................................................737
Displaying egress–queue Statistics....................................................................................................................... 737
Pre-Calculating Available QoS CAM Space................................................................................................................737
Configuring Weights and ECN for WRED ................................................................................................................. 738
Global Service Pools With WRED and ECN Settings..........................................................................................739
Configuring WRED and ECN Attributes..................................................................................................................... 740
Guidelines for Configuring ECN for Classifying and Color-Marking Packets.........................................................740
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..................................741
Classifying Incoming Packets Using ECN and Color-Marking............................................................................ 741
Sample configuration to mark non-ecn packets as “yellow” with single traffic class.....................................743
Applying Layer 2 Match Criteria on a Layer 3 Interface........................................................................................... 744
Applying DSCP and VLAN Match Criteria on a Service Queue...............................................................................745
Classifying Incoming Packets Using ECN and Color-Marking................................................................................. 746
Guidelines for Configuring ECN for Classifying and Color-Marking Packets.........................................................747
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class.......................................748
Sample configuration to mark non-ecn packets as “yellow” with single traffic class...........................................748
Enabling Buffer Statistics Tracking ............................................................................................................................ 749
43 Routing Information Protocol (RIP).........................................................................................................752
Protocol Overview.........................................................................................................................................................752
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