Concept Guide

Applying a WRED Prole to Trac........................................................................................................................ 762
Displaying Default and Congured WRED Proles.............................................................................................. 762
Displaying WRED Drop Statistics...........................................................................................................................763
Displaying egress–queue Statistics....................................................................................................................... 763
Pre-Calculating Available QoS CAM Space................................................................................................................ 763
Specifying Policy-Based Rate Shaping in Packets Per Second............................................................................... 764
Conguring Policy-Based Rate Shaping..................................................................................................................... 765
Conguring Weights and ECN for WRED ..................................................................................................................766
Global Service Pools With WRED and ECN Settings..........................................................................................766
Conguring WRED and ECN Attributes......................................................................................................................767
Guidelines for Conguring ECN for Classifying and Color-Marking Packets......................................................... 768
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class..................................769
Classifying Incoming Packets Using ECN and Color-Marking............................................................................769
Sample conguration to mark non-ecn packets as “yellow” with single trac class.......................................771
Applying Layer 2 Match Criteria on a Layer 3 Interface............................................................................................ 772
Managing Hardware Buer Statistics....................................................................................................................772
Enabling Buer Statistics Tracking ............................................................................................................................. 773
41 Routing Information Protocol (RIP).......................................................................................................... 776
Protocol Overview......................................................................................................................................................... 776
RIPv1..........................................................................................................................................................................776
RIPv2......................................................................................................................................................................... 776
Implementation Information.......................................................................................................................................... 777
Conguration Information............................................................................................................................................. 777
Conguration Task List............................................................................................................................................ 777
RIP Conguration Example.....................................................................................................................................784
42 Remote Monitoring (RMON)................................................................................................................... 789
Implementation Information..........................................................................................................................................789
Fault Recovery............................................................................................................................................................... 789
Setting the RMON Alarm....................................................................................................................................... 790
Conguring an RMON Event................................................................................................................................. 790
Conguring RMON Collection Statistics............................................................................................................... 791
Conguring the RMON Collection History............................................................................................................ 791
43 Rapid Spanning Tree Protocol (RSTP)..................................................................................................... 793
Protocol Overview......................................................................................................................................................... 793
Conguring Rapid Spanning Tree.................................................................................................................................793
Related Conguration Tasks................................................................................................................................... 793
Important Points to Remember....................................................................................................................................793
RSTP and VLT..........................................................................................................................................................794
Conguring Interfaces for Layer 2 Mode....................................................................................................................794
Enabling Rapid Spanning Tree Protocol Globally........................................................................................................795
Adding and Removing Interfaces................................................................................................................................. 797
Modifying Global Parameters........................................................................................................................................797
Enabling SNMP Traps for Root Elections and Topology Changes.....................................................................799
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