HP Brocade 8/12c Brocade Network Advisor SAN User Manual v11.1x (53-1002167-01 - Page 382
Switch policies, DCB map and Traffic Class map, LLDP profiles, 802.1x policy, 1x policy
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14 Switch policies Switch policies You can configure and enable a number of DCB policies on a switch, port, or link aggregation group (LAG). The following switch policy configurations apply to all ports in a LAG: • DCB map and Traffic Class map • Link Layer Discovery Protocol (LLDP) The switch policies are described in the following sections. DCB map and Traffic Class map With DCB, Fibre Channel uses a buffer management system based on buffer-to-buffer credits, with corresponding confirmation by the R-RDY frame. The flow control standard used for DCB is based on "pause" frames. Coupled with an appropriate input buffer, lossless transport of frames is possible. Priority-based flow control (PFC) deals with the prioritization of frames. This standard IEEE 802.1Q allows application-specific bandwidth reservations in DCB. When you create a DCB map, you specify the precedence (priority) and then you map the priority groups with the Class of Service (CoS) and apply bandwidth percentages. Refer to "QoS configuration" on page 352 for instructions on how to create DCB and Traffic Class maps. LLDP profiles Data Center Bridging Capability Exchange Protocol (DCBX) enables Enhanced Ethernet devices to discover whether a peer device supports particular features, such as Priority Flow Control or Class of Service (CoS). In a Data Center Bridging (DCB) environment, LLDP is enhanced with DCBX protocol to further share or change the configured DCB enhancements. Refer to "LLDP-DCBX configuration" on page 366 for instructions on how to configure LLDP for FCoE. 802.1x policy 802.1x is a standard authentication protocol that defines a client-server-based access control and authentication protocol. 802.1x restricts unknown or unauthorized clients from connecting to a LAN through publicly accessible ports. Refer to "802.1x authentication" on page 371 for information on setting 802.1x parameters. 338 Brocade Network Advisor SAN User Manual 53-1002167-01
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-
1,193
-
1,194
-
1,195
-
1,196
-
1,197
-
1,198
-
1,199
-
1,200
-
1,201
-
1,202
-
1,203
-
1,204
-
1,205
-
1,206
-
1,207
-
1,208
-
1,209
-
1,210
-
1,211
-
1,212
-
1,213
-
1,214
-
1,215
-
1,216
-
1,217
-
1,218
-
1,219
-
1,220
-
1,221
-
1,222
-
1,223
-
1,224
-
1,225
-
1,226
-
1,227
-
1,228
-
1,229
-
1,230
-
1,231
-
1,232
-
1,233
-
1,234
-
1,235
-
1,236
-
1,237
-
1,238
-
1,239
-
1,240
-
1,241
-
1,242
-
1,243
-
1,244
-
1,245
-
1,246
-
1,247
-
1,248
-
1,249
-
1,250
-
1,251
-
1,252
-
1,253
-
1,254
-
1,255
-
1,256
-
1,257
-
1,258
-
1,259
-
1,260
-
1,261
-
1,262
-
1,263
-
1,264
-
1,265
-
1,266
-
1,267
-
1,268
-
1,269
-
1,270
-
1,271
-
1,272
-
1,273
-
1,274
-
1,275
-
1,276
-
1,277
-
1,278
-
1,279
-
1,280
-
1,281
-
1,282
-
1,283
-
1,284
-
1,285
-
1,286
-
1,287
-
1,288
-
1,289
-
1,290
-
1,291
-
1,292
-
1,293
-
1,294
-
1,295
-
1,296
-
1,297
-
1,298
-
1,299
-
1,300
-
1,301