Reference Guide

ETS Configuration Notes............................................................................................................ 281
ETS Prerequisites and Restrictions............................................................................................. 282
Configuring Priority-Based Flow Control........................................................................................282
Configuring Lossless Queues.....................................................................................................284
Configure Enhanced Transmission Selection................................................................................. 284
ETS Prerequisites and Restrictions............................................................................................. 285
Creating an ETS Priority Group.................................................................................................. 285
ETS Operation with DCBx...........................................................................................................285
Configuring Bandwidth Allocation for DCBx CIN..................................................................... 286
Applying DCB Policies in a Switch Stack..........................................................................................287
Configure a DCBx Operation........................................................................................................... 287
DCBx Operation.......................................................................................................................... 287
DCBx Port Roles..........................................................................................................................288
DCB Configuration Exchange.................................................................................................... 290
Configuration Source Election...................................................................................................290
Propagation of DCB Information...............................................................................................290
Auto-Detection and Manual Configuration of the DCBx Version.............................................291
Behavior of Tagged Packets....................................................................................................... 291
Configuration Example for DSCP and PFC Priorities.................................................................292
DCBx Example.............................................................................................................................293
DCBx Prerequisites and Restrictions..........................................................................................293
Configuring DCBx.......................................................................................................................294
Verifying the DCB Configuration..................................................................................................... 298
Using PFC and ETS to Manage Data Center Traffic........................................................................ 309
PFC and ETS Configuration Command Examples..................................................................... 311
Using PFC and ETS to Manage Converged Ethernet Traffic......................................................311
Hierarchical Scheduling in ETS Output Policies......................................................................... 311
Priority-Based Flow Control Using Dynamic Buffer Method.......................................................... 312
Pause and Resume of Traffic...................................................................................................... 312
Buffer Sizes for Lossless or PFC Packets.................................................................................... 313
Configuring the Dynamic Buffer Method.........................................................................................313
15 Dynamic Host Configuration Protocol (DHCP)........................................ 315
DHCP Packet Format and Options...................................................................................................315
Assign an IP Address using DHCP.....................................................................................................317
Implementation Information............................................................................................................ 318
Configuration Tasks.......................................................................................................................... 318
Configure the System to be a DHCP Server.................................................................................... 319
Configuration Tasks.................................................................................................................... 319
Configuring the Server for Automatic Address Allocation........................................................320
Specifying a Default Gateway..................................................................................................... 321
Enabling the DHCP Server.......................................................................................................... 321