Users Guide

Conguring an EdgePort................................................................................................................................................660
PVST+ in Multi-Vendor Networks.................................................................................................................................. 660
Enabling PVST+ Extend System ID................................................................................................................................. 661
PVST+ Sample Congurations........................................................................................................................................661
43 Quality of Service (QoS)........................................................................................... 664
Implementation Information........................................................................................................................................... 665
Port-Based QoS Congurations.....................................................................................................................................666
Setting dot1p Priorities for Incoming Trac..............................................................................................................666
Honoring dot1p Priorities on Ingress Trac.............................................................................................................. 666
Conguring Port-Based Rate Policing...................................................................................................................... 667
Conguring Port-Based Rate Shaping......................................................................................................................667
Policy-Based QoS Congurations...................................................................................................................................668
Classify Trac..........................................................................................................................................................669
Create a QoS Policy..................................................................................................................................................672
Create Policy Maps...................................................................................................................................................674
DSCP Color Maps.......................................................................................................................................................... 677
Creating a DSCP Color Map.....................................................................................................................................677
Displaying DSCP Color Maps....................................................................................................................................678
Displaying a DSCP Color Policy Conguration ......................................................................................................... 679
Enabling QoS Rate Adjustment...................................................................................................................................... 679
Enabling Strict-Priority Queueing................................................................................................................................... 680
Weighted Random Early Detection.................................................................................................................................680
Creating WRED Proles............................................................................................................................................ 681
Applying a WRED Prole to Trac............................................................................................................................681
Displaying Default and Congured WRED Proles....................................................................................................682
Displaying WRED Drop Statistics..............................................................................................................................682
Displaying egress-queue Statistics........................................................................................................................... 682
Pre-Calculating Available QoS CAM Space.................................................................................................................... 683
Conguring Weights and ECN for WRED ......................................................................................................................683
Global Service Pools With WRED and ECN Settings................................................................................................684
Conguring WRED and ECN Attributes......................................................................................................................... 685
Guidelines for Conguring ECN for Classifying and Color-Marking Packets...................................................................686
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class............................................. 686
Classifying Incoming Packets Using ECN and Color-Marking................................................................................... 687
Sample conguration to mark non-ecn packets as “yellow” with single trac class.................................................688
Applying Layer 2 Match Criteria on a Layer 3 Interface..................................................................................................690
Applying DSCP and VLAN Match Criteria on a Service Queue...................................................................................... 690
Classifying Incoming Packets Using ECN and Color-Marking..........................................................................................691
Guidelines for Conguring ECN for Classifying and Color-Marking Packets................................................................... 693
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class................................................... 693
Sample conguration to mark non-ecn packets as “yellow” with single trac class.......................................................694
Enabling Buer Statistics Tracking ................................................................................................................................695
44 Routing Information Protocol (RIP)........................................................................... 697
Protocol Overview..........................................................................................................................................................697
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