Users Guide

Example Scenario.................................................................................................................................................... 280
Conguring Shared Head Room Buer................................................................................................................ 282
Viewing Shared Head Room Usage.......................................................................................................................282
Monitoring Buer Statistics for Tracking Purposes.............................................................................................282
Behavior of Tagged Packets.........................................................................................................................................283
SNMP Support for PFC and Buer Statistics Tracking............................................................................................283
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................284
Conguration Example for DSCP and PFC Priorities................................................................................................284
Using PFC to Manage Converged Ethernet Trac.................................................................................................. 285
Generation of PFC for a Priority for Untagged Packets...........................................................................................285
Congure Enhanced Transmission Selection..............................................................................................................285
Creating an ETS Priority Group............................................................................................................................. 285
ETS Operation with DCBx...................................................................................................................................... 287
Conguring ETS in a DCB Map..............................................................................................................................287
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 288
Using ETS to Manage Converged Ethernet Trac...................................................................................................289
Applying DCB Policies in a Switch Stack.................................................................................................................... 289
Congure a DCBx Operation........................................................................................................................................289
DCBx Operation.......................................................................................................................................................289
DCBx Port Roles......................................................................................................................................................290
DCB Conguration Exchange................................................................................................................................. 291
Conguration Source Election................................................................................................................................ 291
Propagation of DCB Information............................................................................................................................292
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 292
DCBx Example..........................................................................................................................................................293
DCBx Prerequisites and Restrictions.....................................................................................................................293
Conguring DCBx....................................................................................................................................................293
Verifying the DCB Conguration..................................................................................................................................297
QoS dot1p Trac Classication and Queue Assignment..........................................................................................304
Conguring the Dynamic Buer Method................................................................................................................... 305
Sample DCB Conguration...........................................................................................................................................306
PFC and ETS Conguration Command Examples...............................................................................................307
13 Dynamic Host Conguration Protocol (DHCP).........................................................................................308
DHCP Packet Format and Options............................................................................................................................. 308
Assign an IP Address using DHCP................................................................................................................................310
Implementation Information........................................................................................................................................... 311
Congure the System to be a DHCP Server............................................................................................................... 311
Conguring the Server for Automatic Address Allocation...................................................................................312
Specifying a Default Gateway.................................................................................................................................313
Congure a Method of Hostname Resolution...................................................................................................... 313
Using DNS for Address Resolution.........................................................................................................................313
Using NetBIOS WINS for Address Resolution...................................................................................................... 314
Creating Manual Binding Entries.............................................................................................................................314
Debugging the DHCP Server..................................................................................................................................314
Using DHCP Clear Commands............................................................................................................................... 315
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