Concept Guide

Port-Based QoS Congurations...................................................................................................................................738
Setting dot1p Priorities for Incoming Trac......................................................................................................... 738
Honoring dot1p Priorities on Ingress Trac..........................................................................................................739
Conguring Port-Based Rate Policing...................................................................................................................740
Conguring Port-Based Rate Shaping.................................................................................................................. 740
Policy-Based QoS Congurations.................................................................................................................................741
Classify Trac........................................................................................................................................................... 741
Dot1p to Queue Mapping Requirement.................................................................................................................745
Create a QoS Policy.................................................................................................................................................745
DSCP Color Maps....................................................................................................................................................748
Create Policy Maps..................................................................................................................................................750
Enabling QoS Rate Adjustment....................................................................................................................................754
Enabling Strict-Priority Queueing................................................................................................................................ 754
Queue Classication Requirements for PFC Functionality.......................................................................................755
Support for marking dot1p value in L3 Input Qos Policy...........................................................................................755
Weighted Random Early Detection..............................................................................................................................756
Enabling and Disabling WRED Globally................................................................................................................. 756
Creating WRED Proles.......................................................................................................................................... 757
Applying a WRED Prole to Trac........................................................................................................................ 757
Displaying Default and Congured WRED Proles.............................................................................................. 757
Displaying WRED Drop Statistics...........................................................................................................................758
Displaying egress–queue Statistics....................................................................................................................... 758
Pre-Calculating Available QoS CAM Space................................................................................................................758
Specifying Policy-Based Rate Shaping in Packets Per Second............................................................................... 759
Conguring Policy-Based Rate Shaping..................................................................................................................... 760
Conguring Weights and ECN for WRED .................................................................................................................. 761
Global Service Pools With WRED and ECN Settings...........................................................................................761
Conguring WRED and ECN Attributes......................................................................................................................762
Guidelines for Conguring ECN for Classifying and Color-Marking Packets......................................................... 763
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class..................................764
Classifying Incoming Packets Using ECN and Color-Marking............................................................................764
Sample conguration to mark non-ecn packets as “yellow” with single trac class......................................766
Applying Layer 2 Match Criteria on a Layer 3 Interface............................................................................................ 767
Managing Hardware Buer Statistics....................................................................................................................767
Enabling Buer Statistics Tracking .............................................................................................................................768
41 Routing Information Protocol (RIP)...........................................................................................................771
Protocol Overview..........................................................................................................................................................771
RIPv1...........................................................................................................................................................................771
RIPv2..........................................................................................................................................................................771
Implementation Information..........................................................................................................................................772
Conguration Information............................................................................................................................................. 772
Conguration Task List............................................................................................................................................ 772
RIP Conguration Example..................................................................................................................................... 779
42 Remote Monitoring (RMON)................................................................................................................... 784
24
Contents