Concept Guide

Conguring Shared Head Room Buer................................................................................................................ 284
Viewing Shared Head Room Usage.......................................................................................................................284
Monitoring Buer Statistics for Tracking Purposes............................................................................................ 284
Behavior of Tagged Packets.........................................................................................................................................285
SNMP Support for PFC and Buer Statistics Tracking............................................................................................285
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................286
Conguration Example for DSCP and PFC Priorities................................................................................................286
Using PFC to Manage Converged Ethernet Trac...................................................................................................287
Generation of PFC for a Priority for Untagged Packets........................................................................................... 287
Congure Enhanced Transmission Selection..............................................................................................................287
Creating an ETS Priority Group..............................................................................................................................287
ETS Operation with DCBx......................................................................................................................................289
Conguring ETS in a DCB Map..............................................................................................................................289
Hierarchical Scheduling in ETS Output Policies.........................................................................................................290
Using ETS to Manage Converged Ethernet Trac....................................................................................................291
Applying DCB Policies in a Switch Stack.....................................................................................................................291
Congure a DCBx Operation.........................................................................................................................................291
DCBx Operation........................................................................................................................................................291
DCBx Port Roles...................................................................................................................................................... 292
DCB Conguration Exchange................................................................................................................................ 293
Conguration Source Election................................................................................................................................293
Propagation of DCB Information............................................................................................................................294
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 294
DCBx Example......................................................................................................................................................... 295
DCBx Prerequisites and Restrictions.....................................................................................................................295
Conguring DCBx....................................................................................................................................................295
Verifying the DCB Conguration................................................................................................................................. 299
QoS dot1p Trac Classication and Queue Assignment..........................................................................................306
Conguring the Dynamic Buer Method....................................................................................................................307
Sample DCB Conguration...........................................................................................................................................308
PFC and ETS Conguration Command Examples.............................................................................................. 309
13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................310
DHCP Packet Format and Options.............................................................................................................................. 310
Assign an IP Address using DHCP................................................................................................................................312
Implementation Information.......................................................................................................................................... 313
Congure the System to be a DHCP Server.............................................................................................................. 313
Conguring the Server for Automatic Address Allocation...................................................................................314
Specifying a Default Gateway.................................................................................................................................315
Congure a Method of Hostname Resolution...................................................................................................... 316
Using DNS for Address Resolution.........................................................................................................................316
Using NetBIOS WINS for Address Resolution...................................................................................................... 316
Creating Manual Binding Entries............................................................................................................................ 316
Debugging the DHCP Server.................................................................................................................................. 317
Using DHCP Clear Commands................................................................................................................................317
Congure the System to be a DHCP Client................................................................................................................ 317
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