Users Guide

Configuring UFT Modes...........................................................................................................................................237
IPv6 CAM ACL Region...................................................................................................................................................238
Important Points to Remember............................................................................................................................. 238
Convert the IPv6 ACL CAM to Double-Wide.....................................................................................................238
Sharing CAM space between IPv4 QoS and IPv6 ACLs..................................................................................239
Chapter 11: Control Plane Policing (CoPP)................................................................................ 240
Configure Control Plane Policing................................................................................................................................. 241
Configuring CoPP for Protocols............................................................................................................................242
Configuring CoPP for CPU Queues......................................................................................................................243
Protocol to CPU Queue Mapping..........................................................................................................................244
Configuring Protocol to CPU Queue Mapping...................................................................................................245
Displaying CoPP Configuration .............................................................................................................................246
Chapter 12: Data Center Bridging (DCB)....................................................................................248
Ethernet Enhancements in Data Center Bridging...................................................................................................248
Priority-Based Flow Control................................................................................................................................... 249
Enhanced Transmission Selection.........................................................................................................................250
Data Center Bridging Exchange Protocol (DCBx).............................................................................................251
Data Center Bridging in a Traffic Flow................................................................................................................ 252
Buffer Organization.................................................................................................................................................. 252
Enabling Data Center Bridging.....................................................................................................................................254
DCB Maps and its Attributes................................................................................................................................. 254
Data Center Bridging: Default Configuration...........................................................................................................255
Configuring Priority-Based Flow Control.................................................................................................................. 255
Configuring Lossless Queues................................................................................................................................. 256
Configuring PFC in a DCB Map................................................................................................................................... 257
Applying a DCB Map on a Port....................................................................................................................................258
Configuring PFC without a DCB Map........................................................................................................................259
Configuring PFC Asymmetric.......................................................................................................................................259
Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 260
Shared headroom for lossless or PFC packets.........................................................................................................261
Configuring Shared Head Room Buffer............................................................................................................... 262
Viewing Shared Head Room Usage...................................................................................................................... 262
Monitoring Buffer Statistics for Tracking Purposes.........................................................................................263
Behavior of Tagged Packets........................................................................................................................................ 263
Configuration Example for DSCP and PFC Priorities.............................................................................................264
SNMP Support for PFC and Buffer Statistics Tracking........................................................................................264
Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................265
PFC and ETS Configuration Examples.......................................................................................................................266
Using PFC to Manage Converged Ethernet Traffic...............................................................................................266
Operations on Untagged Packets...............................................................................................................................266
Generation of PFC for a Priority for Untagged Packets.......................................................................................266
Configure Enhanced Transmission Selection........................................................................................................... 266
Creating an ETS Priority Group.............................................................................................................................266
ETS Operation with DCBx.......................................................................................................................................267
Configuring ETS in a DCB Map..............................................................................................................................268
Hierarchical Scheduling in ETS Output Policies...................................................................................................... 269
Using ETS to Manage Converged Ethernet Traffic............................................................................................... 269
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