Setup Guide

Table Of Contents
Configuring UFT Modes............................................................................................................................................. 223
IPv6 CAM ACL Region..................................................................................................................................................... 224
Important Points to Remember.................................................................................................................................224
Convert the IPv6 ACL CAM to Double-Wide.......................................................................................................... 224
Sharing CAM space between IPv4 QoS and IPv6 ACLs........................................................................................224
11 Control Plane Policing (CoPP).................................................................................................. 226
Configure Control Plane Policing.....................................................................................................................................227
Configuring CoPP for Protocols................................................................................................................................228
Configuring CoPP for CPU Queues..........................................................................................................................229
Protocol to CPU Queue Mapping............................................................................................................................. 230
Configuring Protocol to CPU Queue Mapping.........................................................................................................231
Displaying CoPP Configuration ..................................................................................................................................231
12 Data Center Bridging (DCB)..................................................................................................... 234
Ethernet Enhancements in Data Center Bridging.........................................................................................................234
Priority-Based Flow Control.......................................................................................................................................235
Enhanced Transmission Selection.............................................................................................................................236
Data Center Bridging Exchange Protocol (DCBx).................................................................................................. 237
Data Center Bridging in a Traffic Flow..................................................................................................................... 237
Buffer Organization.....................................................................................................................................................238
Enabling Data Center Bridging........................................................................................................................................ 239
DCB Maps and its Attributes..................................................................................................................................... 240
Data Center Bridging: Default Configuration.................................................................................................................240
Configuring Priority-Based Flow Control........................................................................................................................ 241
Configuring Lossless Queues......................................................................................................................................241
Configuring PFC in a DCB Map.......................................................................................................................................243
Applying a DCB Map on a Port........................................................................................................................................244
Configuring PFC without a DCB Map............................................................................................................................ 244
Configuring PFC Asymmetric.......................................................................................................................................... 244
Priority-Based Flow Control Using Dynamic Buffer Method.......................................................................................245
Shared headroom for lossless or PFC packets............................................................................................................. 246
Configuring Shared Head Room Buffer....................................................................................................................247
Viewing Shared Head Room Usage...........................................................................................................................247
Monitoring Buffer Statistics for Tracking Purposes............................................................................................... 248
Behavior of Tagged Packets............................................................................................................................................248
Configuration Example for DSCP and PFC Priorities................................................................................................... 248
SNMP Support for PFC and Buffer Statistics Tracking.............................................................................................. 249
Performing PFC Using DSCP Bits Instead of 802.1p Bits............................................................................................249
PFC and ETS Configuration Examples...........................................................................................................................250
Using PFC to Manage Converged Ethernet Traffic.....................................................................................................250
Operations on Untagged Packets...................................................................................................................................250
Generation of PFC for a Priority for Untagged Packets...............................................................................................251
Configure Enhanced Transmission Selection................................................................................................................. 251
Creating an ETS Priority Group..................................................................................................................................251
ETS Operation with DCBx..........................................................................................................................................252
Configuring ETS in a DCB Map................................................................................................................................. 252
Hierarchical Scheduling in ETS Output Policies............................................................................................................ 253
Using ETS to Manage Converged Ethernet Traffic..................................................................................................... 254
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