Deployment Guide

PVST+ in Multi-Vendor Networks.............................................................................................................................. 698
Enabling PVST+ Extend System ID............................................................................................................................ 698
PVST+ Sample Configurations.................................................................................................................................... 699
Chapter 42: Quality of Service (QoS)......................................................................................... 701
Implementation Information..........................................................................................................................................703
Port-Based QoS Configurations..................................................................................................................................703
Setting dot1p Priorities for Incoming Traffic...................................................................................................... 703
Honoring dot1p Priorities on Ingress Traffic....................................................................................................... 704
Configuring Port-Based Rate Policing................................................................................................................. 704
Configuring Port-Based Rate Shaping.................................................................................................................705
Policy-Based QoS Configurations...............................................................................................................................706
Classify Traffic...........................................................................................................................................................706
Dot1p to Queue Mapping Requirement................................................................................................................709
Create a QoS Policy.................................................................................................................................................. 710
DSCP Color Maps...................................................................................................................................................... 712
Create Policy Maps....................................................................................................................................................714
Enabling QoS Rate Adjustment.....................................................................................................................................717
Enabling Strict-Priority Queueing.................................................................................................................................717
Queue Classification Requirements for PFC Functionality.................................................................................... 718
Support for marking dot1p value in L3 Input Qos Policy........................................................................................ 718
Weighted Random Early Detection..............................................................................................................................719
Creating WRED Profiles........................................................................................................................................... 719
Applying a WRED Profile to Traffic.......................................................................................................................720
Displaying Default and Configured WRED Profiles........................................................................................... 720
Displaying WRED Drop Statistics.......................................................................................................................... 720
Displaying egress–queue Statistics...................................................................................................................... 720
Pre-Calculating Available QoS CAM Space............................................................................................................... 721
Specifying Policy-Based Rate Shaping in Packets Per Second...........................................................................722
Configuring Policy-Based Rate Shaping.................................................................................................................... 722
Configuring Weights and ECN for WRED ................................................................................................................ 723
Configuring WRED and ECN Attributes.................................................................................................................... 724
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................................... 725
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..........................725
Classifying Incoming Packets Using ECN and Color-Marking........................................................................726
Sample configuration to mark non-ecn packets as “yellow” with single traffic class.............................. 727
Applying Layer 2 Match Criteria on a Layer 3 Interface........................................................................................728
Managing Hardware Buffer Statistics..................................................................................................................729
Enabling Buffer Statistics Tracking ........................................................................................................................... 729
Chapter 43: Routing Information Protocol (RIP)........................................................................732
Protocol Overview.......................................................................................................................................................... 732
RIPv1.............................................................................................................................................................................732
RIPv2............................................................................................................................................................................732
Implementation Information..........................................................................................................................................732
Configuration Information............................................................................................................................................. 733
Configuration Task List............................................................................................................................................733
RIP Configuration Example..................................................................................................................................... 739
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