Concept Guide

Policy-Based QoS Congurations................................................................................................................................843
Classify Trac..........................................................................................................................................................843
Create a QoS Policy.................................................................................................................................................848
Create Policy Maps.................................................................................................................................................. 851
DSCP Color Maps..........................................................................................................................................................854
Creating a DSCP Color Map.................................................................................................................................. 854
Displaying DSCP Color Maps.................................................................................................................................855
Displaying a DSCP Color Policy Conguration ....................................................................................................856
Enabling QoS Rate Adjustment....................................................................................................................................856
Enabling Strict-Priority Queueing................................................................................................................................ 857
Weighted Random Early Detection..............................................................................................................................857
Creating WRED Proles..........................................................................................................................................858
Applying a WRED Prole to Trac........................................................................................................................ 859
Displaying Default and Congured WRED Proles..............................................................................................859
Displaying WRED Drop Statistics...........................................................................................................................859
Displaying egress-queue Statistics........................................................................................................................ 860
Explicit Congestion Notication...................................................................................................................................860
ECN Packet Classication.......................................................................................................................................861
Example: Color-marking non-ECN Packets in One Trac Class........................................................................861
Example: Color-marking non-ECN Packets in Dierent Trac Classes........................................................... 862
Using A Congurable Weight for WRED and ECN....................................................................................................863
Benets of Using a Congurable Weight for WRED with ECN......................................................................... 863
Setting Average Queue Size using a Weight........................................................................................................863
Global Service-Pools for WRED with ECN...........................................................................................................864
Conguring a Weight for WRED and ECN Operation.........................................................................................865
Pre-Calculating Available QoS CAM Space................................................................................................................866
SNMP Support for Buer Statistics Tracking............................................................................................................866
47 Routing Information Protocol (RIP)......................................................................................................... 868
Protocol Overview.........................................................................................................................................................868
RIPv1......................................................................................................................................................................... 868
RIPv2.........................................................................................................................................................................868
Implementation Information..........................................................................................................................................868
Conguration Information.............................................................................................................................................869
Conguration Task List............................................................................................................................................869
RIP Conguration Example.....................................................................................................................................875
48 Remote Monitoring (RMON)................................................................................................................... 880
Implementation Information......................................................................................................................................... 880
Fault Recovery...............................................................................................................................................................880
Setting the RMON Alarm........................................................................................................................................ 881
Conguring an RMON Event................................................................................................................................. 882
Conguring RMON Collection Statistics.............................................................................................................. 882
Conguring the RMON Collection History........................................................................................................... 883
49 Rapid Spanning Tree Protocol (RSTP).....................................................................................................884
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