Reference Guide

CAM Optimization................................................................................................................................................. 226
Applications for CAM Profiling............................................................................................................................. 226
LAG HashingLAG Hashing Based on Bidirectional Flow................................................................................226
Troubleshoot CAM Profiling................................................................................................................................. 227
CAM Profile Mismatches............................................................................................................................... 227
QoS CAM Region Limitation........................................................................................................................... 227
11 Control Plane Policing (CoPP).............................................................................................229
Configure Control Plane Policing..........................................................................................................................230
Configuring CoPP for Protocols......................................................................................................................231
Configuring CoPP for CPU Queues.................................................................................................................233
Show Commands............................................................................................................................................233
12 Data Center Bridging (DCB).................................................................................................235
Ethernet Enhancements in Data Center Bridging.................................................................................................235
Priority-Based Flow Control........................................................................................................................... 236
Enhanced Transmission Selection.................................................................................................................237
Data Center Bridging Exchange Protocol (DCBx).......................................................................................... 238
Data Center Bridging in a Traffic Flow...........................................................................................................239
Enabling Data Center Bridging............................................................................................................................. 239
QoS dot1p Traffic Classification and Queue Assignment.....................................................................................240
Configuring Priority-Based Flow Control.............................................................................................................. 241
Configuring Lossless Queues.........................................................................................................................243
Configuring the PFC Buffer in a Switch Stack................................................................................................243
Configure Enhanced Transmission Selection.......................................................................................................244
ETS Prerequisites and Restrictions................................................................................................................244
Creating a QoS ETS Output Policy..................................................................................................................245
Creating an ETS Priority Group...................................................................................................................... 246
Applying an ETS Output Policy for a Priority Group to an Interface.............................................................. 247
ETS Operation with DCBx...............................................................................................................................248
Configuring Bandwidth Allocation for DCBx CIN...........................................................................................249
Applying DCB Policies in a Switch Stack............................................................................................................. 249
Applying DCB Policies with an ETS Configuration............................................................................................... 250
Configure a DCBx Operation.................................................................................................................................250
DCBx Operation..............................................................................................................................................250
DCBx Port Roles............................................................................................................................................. 251
DCB Configuration Exchange.........................................................................................................................252
Configuration Source Election....................................................................................................................... 253
Propagation of DCB Information.................................................................................................................... 253
Auto-Detection and Manual Configuration of the DCBx Version...................................................................253
DCBx Example................................................................................................................................................ 254
DCBx Prerequisites and Restrictions.............................................................................................................255