Concept Guide

Pre-Calculating Available QoS CAM Space................................................................................................................ 697
Conguring Weights and ECN for WRED ................................................................................................................. 698
Global Service Pools With WRED and ECN Settings..........................................................................................699
Conguring WRED and ECN Attributes..................................................................................................................... 700
Guidelines for Conguring ECN for Classifying and Color-Marking Packets..........................................................701
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class.................................. 701
Classifying Incoming Packets Using ECN and Color-Marking............................................................................702
Sample conguration to mark non-ecn packets as “yellow” with single trac class......................................703
Applying Layer 2 Match Criteria on a Layer 3 Interface............................................................................................704
Applying DSCP and VLAN Match Criteria on a Service Queue...............................................................................705
Classifying Incoming Packets Using ECN and Color-Marking..................................................................................706
Guidelines for Conguring ECN for Classifying and Color-Marking Packets......................................................... 708
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class........................................708
Sample conguration to mark non-ecn packets as “yellow” with single trac class............................................709
41 Routing Information Protocol (RIP)........................................................................................................... 711
Protocol Overview...........................................................................................................................................................711
RIPv1........................................................................................................................................................................... 711
RIPv2.......................................................................................................................................................................... 711
Implementation Information...........................................................................................................................................712
Conguration Information..............................................................................................................................................712
Conguration Task List.............................................................................................................................................712
RIP Conguration Example......................................................................................................................................718
42 Remote Monitoring (RMON)....................................................................................................................724
Implementation Information..........................................................................................................................................724
Fault Recovery............................................................................................................................................................... 724
Setting the RMON Alarm........................................................................................................................................725
Conguring an RMON Event................................................................................................................................. 725
Conguring RMON Collection Statistics...............................................................................................................726
Conguring the RMON Collection History........................................................................................................... 726
43 Rapid Spanning Tree Protocol (RSTP)..................................................................................................... 728
Protocol Overview......................................................................................................................................................... 728
Conguring Rapid Spanning Tree.................................................................................................................................728
Related Conguration Tasks................................................................................................................................... 728
Important Points to Remember....................................................................................................................................728
RSTP and VLT..........................................................................................................................................................729
Conguring Interfaces for Layer 2 Mode....................................................................................................................729
Enabling Rapid Spanning Tree Protocol Globally........................................................................................................730
Adding and Removing Interfaces................................................................................................................................. 732
Modifying Global Parameters....................................................................................................................................... 732
Enabling SNMP Traps for Root Elections and Topology Changes.....................................................................734
Modifying Interface Parameters...................................................................................................................................734
Enabling SNMP Traps for Root Elections and Topology Changes...........................................................................734
Inuencing RSTP Root Selection.................................................................................................................................734
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