Users Guide

Applying a WRED Prole to Trac........................................................................................................................ 854
Displaying Default and Congured WRED Proles.............................................................................................. 854
Displaying WRED Drop Statistics...........................................................................................................................854
Displaying egress-queue Statistics........................................................................................................................ 855
Explicit Congestion Notication.................................................................................................................................. 855
ECN Packet Classication......................................................................................................................................856
Example: Color-marking non-ECN Packets in One Trac Class.......................................................................856
Example: Color-marking non-ECN Packets in Dierent Trac Classes............................................................857
Using A Congurable Weight for WRED and ECN....................................................................................................858
Benets of Using a Congurable Weight for WRED with ECN.........................................................................858
Setting Average Queue Size using a Weight........................................................................................................858
Global Service-Pools for WRED with ECN...........................................................................................................859
Conguring a Weight for WRED and ECN Operation.........................................................................................860
Pre-Calculating Available QoS CAM Space.................................................................................................................861
SNMP Support for Buer Statistics Tracking............................................................................................................ 861
47 Routing Information Protocol (RIP)......................................................................................................... 863
Protocol Overview.........................................................................................................................................................863
RIPv1......................................................................................................................................................................... 863
RIPv2.........................................................................................................................................................................863
Implementation Information..........................................................................................................................................864
Conguration Information.............................................................................................................................................864
Conguration Task List............................................................................................................................................864
RIP Conguration Example.....................................................................................................................................870
48 Remote Monitoring (RMON)................................................................................................................... 876
Implementation Information..........................................................................................................................................876
Fault Recovery............................................................................................................................................................... 876
Setting the RMON Alarm........................................................................................................................................877
Conguring an RMON Event..................................................................................................................................878
Conguring RMON Collection Statistics...............................................................................................................878
Conguring the RMON Collection History........................................................................................................... 879
49 Rapid Spanning Tree Protocol (RSTP).....................................................................................................880
Protocol Overview.........................................................................................................................................................880
Conguring Rapid Spanning Tree................................................................................................................................ 880
Related Conguration Tasks...................................................................................................................................880
Important Points to Remember................................................................................................................................... 880
RSTP and VLT...........................................................................................................................................................881
Conguring Interfaces for Layer 2 Mode.................................................................................................................... 881
Enabling Rapid Spanning Tree Protocol Globally........................................................................................................882
Adding and Removing Interfaces.................................................................................................................................884
Modifying Global Parameters....................................................................................................................................... 884
Enabling SNMP Traps for Root Elections and Topology Changes.....................................................................885
Modifying Interface Parameters.................................................................................................................................. 886
Inuencing RSTP Root Selection.................................................................................................................................886
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