Setup Guide

PVST+ in Multi-Vendor Networks............................................................................................................................... 795
Enabling PVST+ Extend System ID............................................................................................................................. 795
PVST+ Sample Congurations.....................................................................................................................................796
45 Quality of Service (QoS)..........................................................................................................................799
Implementation Information.......................................................................................................................................... 801
Port-Based QoS Congurations...................................................................................................................................801
Setting dot1p Priorities for Incoming Trac..........................................................................................................801
Honoring dot1p Priorities on Ingress Trac..........................................................................................................802
Conguring Port-Based Rate Policing.................................................................................................................. 803
Conguring Port-Based Rate Shaping..................................................................................................................803
Policy-Based QoS Congurations................................................................................................................................804
Classify Trac..........................................................................................................................................................804
Create a QoS Policy................................................................................................................................................ 808
Create Policy Maps.................................................................................................................................................. 810
DSCP Color Maps.......................................................................................................................................................... 814
Creating a DSCP Color Map................................................................................................................................... 814
Displaying DSCP Color Maps..................................................................................................................................815
Displaying a DSCP Color Policy Conguration .....................................................................................................815
Enabling QoS Rate Adjustment.................................................................................................................................... 816
Enabling Strict-Priority Queueing.................................................................................................................................816
Weighted Random Early Detection...............................................................................................................................817
Creating WRED Proles...........................................................................................................................................818
Applying a WRED Prole to Trac.........................................................................................................................818
Displaying Default and Congured WRED Proles...............................................................................................818
Displaying WRED Drop Statistics............................................................................................................................818
Displaying egress–queue Statistics........................................................................................................................819
Pre-Calculating Available QoS CAM Space.................................................................................................................819
Conguring Weights and ECN for WRED ................................................................................................................. 820
Global Service Pools With WRED and ECN Settings..........................................................................................820
Conguring WRED and ECN Attributes...................................................................................................................... 821
Guidelines for Conguring ECN for Classifying and Color-Marking Packets......................................................... 822
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class..................................823
Classifying Incoming Packets Using ECN and Color-Marking............................................................................823
Sample conguration to mark non-ecn packets as “yellow” with single trac class......................................825
Applying Layer 2 Match Criteria on a Layer 3 Interface............................................................................................826
Applying DSCP and VLAN Match Criteria on a Service Queue...............................................................................826
Classifying Incoming Packets Using ECN and Color-Marking..................................................................................827
Guidelines for Conguring ECN for Classifying and Color-Marking Packets.........................................................829
Sample conguration to mark non-ecn packets as “yellow” with Multiple trac class....................................... 830
Sample conguration to mark non-ecn packets as “yellow” with single trac class........................................... 830
Enabling Buer Statistics Tracking ..............................................................................................................................831
46 Routing Information Protocol (RIP)......................................................................................................... 834
Protocol Overview.........................................................................................................................................................834
RIPv1..........................................................................................................................................................................834
Contents
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