Users Guide

Table Of Contents
Uplink failure detection on VLT................................................................................................................................... 1232
Sample congurations of UFD on VLT.................................................................................................................1233
UFD commands............................................................................................................................................................1235
clear ufd-disable..................................................................................................................................................... 1236
defer-time................................................................................................................................................................1236
downstream............................................................................................................................................................ 1236
downstream auto-recover.....................................................................................................................................1237
downstream disable links....................................................................................................................................... 1237
enable.......................................................................................................................................................................1237
name........................................................................................................................................................................ 1238
show running-conguration uplink-state-group ................................................................................................ 1238
show uplink-state-group .......................................................................................................................................1239
uplink-state-group .................................................................................................................................................1240
upstream..................................................................................................................................................................1240
21 Converged data center services.............................................................................................................. 1242
Priority ow control......................................................................................................................................................1242
PFC conguration notes........................................................................................................................................1243
Congure PFC........................................................................................................................................................ 1244
PFC commands...................................................................................................................................................... 1247
Enhanced transmission selection................................................................................................................................ 1251
ETS conguration notes.........................................................................................................................................1251
Congure ETS.........................................................................................................................................................1252
ETS commands...................................................................................................................................................... 1254
Data center bridging eXchange .................................................................................................................................1254
DCBX conguration notes.................................................................................................................................... 1255
Congure DCBX ....................................................................................................................................................1255
DCBX commands...................................................................................................................................................1258
Internet small computer system interface.................................................................................................................1262
iSCSI conguration notes......................................................................................................................................1263
Congure iSCSI optimization................................................................................................................................1263
iSCSI synchronization on VLT...............................................................................................................................1265
iSCSI commands.................................................................................................................................................... 1266
Converged network DCB example.............................................................................................................................1270
22 sFlow...................................................................................................................................................... 1277
Enable sFlow................................................................................................................................................................. 1277
Max-header size conguration....................................................................................................................................1278
Collector conguration.................................................................................................................................................1279
Collector conguration for default VRF...............................................................................................................1279
Collector conguration for nondefault VRF........................................................................................................ 1279
Polling-interval conguration...................................................................................................................................... 1280
Sample-rate conguration...........................................................................................................................................1280
Source interface conguration.................................................................................................................................... 1281
View sFlow information............................................................................................................................................... 1282
sFlow commands..........................................................................................................................................................1282
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Contents