Administrator Guide

Displaying Default and Congured WRED Proles.............................................................................................. 833
Displaying WRED Drop Statistics...........................................................................................................................833
Displaying egress-queue Statistics........................................................................................................................ 834
Explicit Congestion Notication...................................................................................................................................834
ECN Packet Classication......................................................................................................................................835
Example: Color-marking non-ECN Packets in One Trac Class....................................................................... 835
Example: Color-marking non-ECN Packets in Dierent Trac Classes........................................................... 836
Using A Congurable Weight for WRED and ECN.................................................................................................... 837
Benets of Using a Congurable Weight for WRED with ECN......................................................................... 837
Setting Average Queue Size using a Weight........................................................................................................ 837
Global Service-Pools for WRED with ECN...........................................................................................................838
Conguring a Weight for WRED and ECN Operation.........................................................................................839
Pre-Calculating Available QoS CAM Space................................................................................................................839
SNMP Support for Buer Statistics Tracking............................................................................................................840
46 Routing Information Protocol (RIP)......................................................................................................... 842
Protocol Overview......................................................................................................................................................... 842
RIPv1..........................................................................................................................................................................842
RIPv2.........................................................................................................................................................................842
Implementation Information..........................................................................................................................................843
Conguration Information.............................................................................................................................................843
Conguration Task List............................................................................................................................................843
RIP Conguration Example.....................................................................................................................................849
47 Remote Monitoring (RMON)................................................................................................................... 855
Implementation Information......................................................................................................................................... 855
Fault Recovery...............................................................................................................................................................855
Setting the RMON Alarm....................................................................................................................................... 856
Conguring an RMON Event................................................................................................................................. 857
Conguring RMON Collection Statistics...............................................................................................................857
Conguring the RMON Collection History........................................................................................................... 858
48 Rapid Spanning Tree Protocol (RSTP).....................................................................................................859
Protocol Overview.........................................................................................................................................................859
Conguring Rapid Spanning Tree................................................................................................................................ 859
Related Conguration Tasks...................................................................................................................................859
Important Points to Remember................................................................................................................................... 859
RSTP and VLT..........................................................................................................................................................860
Conguring Interfaces for Layer 2 Mode................................................................................................................... 860
Enabling Rapid Spanning Tree Protocol Globally........................................................................................................ 861
Adding and Removing Interfaces.................................................................................................................................863
Modifying Global Parameters....................................................................................................................................... 863
Enabling SNMP Traps for Root Elections and Topology Changes.....................................................................864
Modifying Interface Parameters.................................................................................................................................. 865
Inuencing RSTP Root Selection.................................................................................................................................865
Conguring an EdgePort.............................................................................................................................................. 866
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