Service Manual

Table Of Contents
Enabling PVST+ Extend System ID...................................................................................................770
PVST+ Sample Configurations..........................................................................................................771
43 Quality of Service (QoS)................................................................................ 773
Implementation Information............................................................................................................ 775
Port-Based QoS Configurations.......................................................................................................775
Setting dot1p Priorities for Incoming Traffic..............................................................................776
Honoring dot1p Priorities on Ingress Traffic.............................................................................. 776
Configuring Port-Based Rate Policing........................................................................................777
Configuring Port-Based Rate Shaping....................................................................................... 778
Policy-Based QoS Configurations....................................................................................................779
Classify Traffic..............................................................................................................................779
Create a QoS Policy.................................................................................................................... 783
Create Policy Maps..................................................................................................................... 785
DSCP Color Maps............................................................................................................................. 789
Creating a DSCP Color Map....................................................................................................... 789
Displaying DSCP Color Maps..................................................................................................... 790
Displaying a DSCP Color Policy Configuration .........................................................................791
Enabling QoS Rate Adjustment.........................................................................................................791
Enabling Strict-Priority Queueing.................................................................................................... 792
Weighted Random Early Detection..................................................................................................792
Creating WRED Profiles.............................................................................................................. 793
Applying a WRED Profile to Traffic.............................................................................................794
Displaying Default and Configured WRED Profiles................................................................... 794
Displaying WRED Drop Statistics................................................................................................794
Displaying egress-queue Statistics.............................................................................................795
Pre-Calculating Available QoS CAM Space..................................................................................... 795
Configuring Weights and ECN for WRED ....................................................................................... 796
Global Service Pools With WRED and ECN Settings..................................................................797
Configuring WRED and ECN Attributes........................................................................................... 798
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................799
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class......... 800
Classifying Incoming Packets Using ECN and Color-Marking.................................................800
Sample configuration to mark non-ecn packets as “yellow” with single traffic class............. 802
Applying Layer 2 Match Criteria on a Layer 3 Interface..................................................................803
Applying DSCP and VLAN Match Criteria on a Service Queue.......................................................804
Classifying Incoming Packets Using ECN and Color-Marking....................................................... 805
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................807
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class............... 808
Sample configuration to mark non-ecn packets as “yellow” with single traffic class...................808
Enabling Buffer Statistics Tracking ..................................................................................................809
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