Concept Guide

Table Of Contents
Displaying a DSCP Color Policy Conguration .................................................................................................... 746
Enabling QoS Rate Adjustment.................................................................................................................................... 747
Enabling Strict-Priority Queueing.................................................................................................................................748
Weighted Random Early Detection..............................................................................................................................748
Creating WRED Proles.......................................................................................................................................... 749
Applying a WRED Prole to Trac........................................................................................................................ 750
Displaying Default and Congured WRED Proles.............................................................................................. 750
Displaying WRED Drop Statistics...........................................................................................................................750
Displaying egress–queue Statistics........................................................................................................................ 751
Pre-Calculating Available QoS CAM Space.................................................................................................................751
Conguring Weights and ECN for WRED ..................................................................................................................752
Global Service Pools With WRED and ECN Settings..........................................................................................753
Conguring WRED and ECN Attributes......................................................................................................................754
Guidelines for Conguring ECN for Classifying and Color-Marking Packets......................................................... 754
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class..................................755
Classifying Incoming Packets Using ECN and Color-Marking........................................................................... 755
Sample conguration to mark non-ecn packets as “yellow” with single trac class......................................757
Applying Layer 2 Match Criteria on a Layer 3 Interface............................................................................................758
Applying DSCP and VLAN Match Criteria on a Service Queue...............................................................................759
Classifying Incoming Packets Using ECN and Color-Marking..................................................................................760
Guidelines for Conguring ECN for Classifying and Color-Marking Packets..........................................................761
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class........................................762
Sample conguration to mark non-ecn packets as “yellow” with single trac class............................................762
Enabling Buer Statistics Tracking ............................................................................................................................. 763
43 Routing Information Protocol (RIP)......................................................................................................... 766
Protocol Overview......................................................................................................................................................... 766
RIPv1..........................................................................................................................................................................766
RIPv2.........................................................................................................................................................................766
Implementation Information.......................................................................................................................................... 767
Conguration Information............................................................................................................................................. 767
Conguration Task List............................................................................................................................................ 767
RIP Conguration Example..................................................................................................................................... 774
44 Remote Monitoring (RMON)....................................................................................................................779
Implementation Information..........................................................................................................................................779
Fault Recovery............................................................................................................................................................... 779
Setting the RMON Alarm........................................................................................................................................780
Conguring an RMON Event................................................................................................................................. 780
Conguring RMON Collection Statistics............................................................................................................... 781
Conguring the RMON Collection History............................................................................................................ 781
45 Rapid Spanning Tree Protocol (RSTP)..................................................................................................... 783
Protocol Overview......................................................................................................................................................... 783
Conguring Rapid Spanning Tree.................................................................................................................................783
Related Conguration Tasks................................................................................................................................... 783
24
Contents