White Papers

Table Of Contents
Displaying WRED Drop Statistics..........................................................................................................................699
Displaying egressqueue Statistics...................................................................................................................... 699
Pre-Calculating Available QoS CAM Space.............................................................................................................. 700
Configuring Weights and ECN for WRED ................................................................................................................700
Configuring WRED and ECN Attributes.................................................................................................................... 702
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................................... 703
Sample configuration to mark non-ecn packets as yellow with Multiple traffic class..........................703
Classifying Incoming Packets Using ECN and Color-Marking........................................................................704
Sample configuration to mark non-ecn packets as yellow with single traffic class..............................705
Applying Layer 2 Match Criteria on a Layer 3 Interface........................................................................................706
Applying DSCP and VLAN Match Criteria on a Service Queue........................................................................... 707
Classifying Incoming Packets Using ECN and Color-Marking..............................................................................707
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................................... 709
Sample configuration to mark non-ecn packets as yellow with Multiple traffic class................................ 710
Sample configuration to mark non-ecn packets as yellow with single traffic class.....................................710
Enabling Buffer Statistics Tracking .............................................................................................................................711
Chapter 43: Routing Information Protocol (RIP)........................................................................ 714
Protocol Overview...........................................................................................................................................................714
RIPv1............................................................................................................................................................................. 714
RIPv2.............................................................................................................................................................................714
Implementation Information.......................................................................................................................................... 714
Configuration Information..............................................................................................................................................715
Configuration Task List.............................................................................................................................................715
RIP Configuration Example...................................................................................................................................... 721
Chapter 44: Remote Monitoring (RMON)...................................................................................726
Implementation Information..........................................................................................................................................726
Fault Recovery.................................................................................................................................................................726
Setting the RMON Alarm........................................................................................................................................ 726
Configuring an RMON Event..................................................................................................................................727
Configuring RMON Collection Statistics............................................................................................................. 728
Configuring the RMON Collection History..........................................................................................................728
Chapter 45: Rapid Spanning Tree Protocol (RSTP)....................................................................729
Protocol Overview.......................................................................................................................................................... 729
Configuring Rapid Spanning Tree................................................................................................................................729
Important Points to Remember................................................................................................................................... 730
RSTP and VLT............................................................................................................................................................730
Configuring Interfaces for Layer 2 Mode..................................................................................................................730
Enabling Rapid Spanning Tree Protocol Globally......................................................................................................731
Adding and Removing Interfaces................................................................................................................................ 733
Modifying Global Parameters....................................................................................................................................... 733
Enabling SNMP Traps for Root Elections and Topology Changes................................................................734
Modifying Interface Parameters..................................................................................................................................734
Enabling SNMP Traps for Root Elections and Topology Changes......................................................................734
Influencing RSTP Root Selection................................................................................................................................ 735
Configuring an EdgePort...............................................................................................................................................735
Configuring Fast Hellos for Link State Detection................................................................................................... 736
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