White Papers

Table Of Contents
Applying a WRED Profile to Traffic.......................................................................................................................749
Displaying Default and Configured WRED Profiles........................................................................................... 749
Displaying WRED Drop Statistics.......................................................................................................................... 749
Displaying egressqueue Statistics...................................................................................................................... 750
Pre-Calculating Available QoS CAM Space.............................................................................................................. 750
Configuring Weights and ECN for WRED .................................................................................................................751
Configuring WRED and ECN Attributes.................................................................................................................... 752
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................................... 753
Sample configuration to mark non-ecn packets as yellow with Multiple traffic class..........................753
Classifying Incoming Packets Using ECN and Color-Marking........................................................................754
Sample configuration to mark non-ecn packets as yellow with single traffic class..............................755
Applying Layer 2 Match Criteria on a Layer 3 Interface........................................................................................756
Applying DSCP and VLAN Match Criteria on a Service Queue........................................................................... 757
Classifying Incoming Packets Using ECN and Color-Marking..............................................................................757
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................759
Sample configuration to mark non-ecn packets as yellow with Multiple traffic class................................760
Sample configuration to mark non-ecn packets as yellow with single traffic class....................................760
Enabling Buffer Statistics Tracking ............................................................................................................................761
Chapter 46: Routing Information Protocol (RIP)........................................................................764
Protocol Overview.......................................................................................................................................................... 764
RIPv1.............................................................................................................................................................................764
RIPv2............................................................................................................................................................................764
Implementation Information..........................................................................................................................................764
Configuration Information.............................................................................................................................................765
Configuration Task List............................................................................................................................................765
RIP Configuration Example..................................................................................................................................... 770
Chapter 47: Remote Monitoring (RMON)...................................................................................776
Implementation Information..........................................................................................................................................776
Fault Recovery.................................................................................................................................................................776
Setting the RMON Alarm........................................................................................................................................ 776
Configuring an RMON Event.................................................................................................................................. 777
Configuring RMON Collection Statistics............................................................................................................. 778
Configuring the RMON Collection History.......................................................................................................... 778
Chapter 48: Rapid Spanning Tree Protocol (RSTP)....................................................................779
Protocol Overview.......................................................................................................................................................... 779
Configuring Rapid Spanning Tree................................................................................................................................779
Important Points to Remember................................................................................................................................... 780
RSTP and VLT............................................................................................................................................................780
Configuring Interfaces for Layer 2 Mode..................................................................................................................780
Enabling Rapid Spanning Tree Protocol Globally......................................................................................................781
Adding and Removing Interfaces................................................................................................................................ 783
Modifying Global Parameters....................................................................................................................................... 783
Enabling SNMP Traps for Root Elections and Topology Changes................................................................784
Modifying Interface Parameters..................................................................................................................................784
Enabling SNMP Traps for Root Elections and Topology Changes......................................................................784
Influencing RSTP Root Selection................................................................................................................................ 785
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