Owners Manual

Configuring Lossless Queues..................................................................................................... 273
Configuring the PFC Buffer in a Switch Stack............................................................................274
Configure Enhanced Transmission Selection..................................................................................275
ETS Prerequisites and Restrictions..............................................................................................275
Creating a QoS DCB Output Policy............................................................................................276
Creating an ETS Priority Group...................................................................................................277
Applying an ETS Output Policy for a Priority Group to an Interface.........................................278
ETS Operation with DCBx.......................................................................................................... 280
Configuring Bandwidth Allocation for DCBx CIN..................................................................... 280
Applying DCB Policies in a Switch Stack..........................................................................................281
Applying DCB Policies with an ETS Configuration.......................................................................... 281
Configure a DCBx Operation........................................................................................................... 282
DCBx Operation..........................................................................................................................282
DCBx Port Roles..........................................................................................................................283
DCB Configuration Exchange.................................................................................................... 284
Configuration Source Election...................................................................................................285
Propagation of DCB Information............................................................................................... 285
Auto-Detection and Manual Configuration of the DCBx Version............................................286
DCBx Example............................................................................................................................ 286
DCBx Prerequisites and Restrictions.......................................................................................... 287
Configuring DCBx....................................................................................................................... 287
Verifying the DCB Configuration......................................................................................................291
PFC and ETS Configuration Examples.............................................................................................302
Using PFC and ETS to Manage Data Center Traffic........................................................................ 303
PFC and ETS Configuration Command Examples.................................................................... 304
Using PFC and ETS to Manage Converged Ethernet Traffic in a Switch Stack........................ 305
Hierarchical Scheduling in ETS Output Policies........................................................................306
Configuring DCB Maps and its Attributes........................................................................................306
DCB Map: Configuration Procedure..........................................................................................306
Important Points to Remember..................................................................................................307
Applying a DCB Map on a Port...................................................................................................308
Configuring PFC without a DCB Map........................................................................................308
Configuring Lossless Queues.....................................................................................................309
Priority-Based Flow Control Using Dynamic Buffer Method..........................................................310
Pause and Resume of Traffic...................................................................................................... 310
Buffer Sizes for Lossless or PFC Packets.....................................................................................311
Interworking of DCB Map With DCB Buffer Threshold Settings......................................................311
Configuring the Dynamic Buffer Method.........................................................................................312
14 Dynamic Host Configuration Protocol (DHCP)........................................314
DHCP Packet Format and Options...................................................................................................314
Assign an IP Address using DHCP.................................................................................................... 316