D-Link xStack DWS-3200 Series User manual

©Copyright 2005. All rights reserved.
CLI Guide
Product Model: TM DWS/DXS-3200 Series
Layer 2+ Stackable Gigabit Ethernet Switches with optional XG uplinks
Release 2.0

DXS/DWS-3200 series CLI Reference Guide
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Table of Contents
Section 1. Using the CLI..................................................................................................... 15
Overview.............................................................................................................................................. 15
CLI Command Modes ............................................................................................................................. 15
Introduction ............................................................................................................................................. 15
User EXEC Mode.................................................................................................................................... 15
Privileged EXEC Mode............................................................................................................................ 15
Global Configuration Mode ..................................................................................................................... 16
Interface Configuration and Specific Configuration Modes..................................................................... 17
Starting the CLI.................................................................................................................................... 17
Editing Features .................................................................................................................................. 18
Entering Commands ............................................................................................................................... 18
Terminal Command Buffer ............................................................................................................. 19
Negating the Effect of Commands.................................................................................................. 19
Command Completion.................................................................................................................... 19
Nomenclature................................................................................................................................. 19
Keyboard Shortcuts........................................................................................................................ 20
CLI Command Conventions ........................................................................................................... 20
Copying and Pasting Text....................................................................................................................... 21
Section 2. AAA Commands................................................................................................ 23
aaa authentication login....................................................................................................................... 23
aaa authentication enable..................................................................................................... 25
login authentication............................................................................................................... 27
enable authentication............................................................................................................ 28
ip http authentication............................................................................................................. 29
ip https authentication........................................................................................................... 30
show authentication methods ............................................................................................... 31
password............................................................................................................................... 32
enable password................................................................................................................... 33
username.............................................................................................................................. 34
Section 3. ACL Commands................................................................................................ 35
ip access-list ......................................................................................................................... 35
permit (ip).............................................................................................................................. 36
deny (IP) ............................................................................................................................... 39
mac access-list ..................................................................................................................... 41
permit (MAC)......................................................................................................................... 42
deny (MAC)........................................................................................................................... 43
service-acl............................................................................................................................. 44

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show access-lists.................................................................................................................. 45
show interfaces access-lists ................................................................................................. 46
Section 4. Address Table Commands................................................................................ 47
bridge address .....................................................................................................................................47
bridge multicast filtering........................................................................................................ 48
bridge multicast address.......................................................................................................49
bridge multicast forbidden address....................................................................................... 50
bridge multicast forward-all...................................................................................................51
bridge multicast forbidden forward-all................................................................................... 52
bridge aging-time.................................................................................................................. 53
clear bridge........................................................................................................................... 54
port security .......................................................................................................................... 55
port security mode ................................................................................................................ 56
port security routed secure-address ..................................................................................... 57
switchport customer multicast-tv vlan................................................................................... 58
show bridge address-table.................................................................................................... 59
show bridge address-table static .......................................................................................... 60
show bridge address-table count.......................................................................................... 61
show bridge multicast address-table..................................................................................... 62
show bridge multicast filtering...............................................................................................64
show ports security............................................................................................................... 65
show ports security addresses..............................................................................................67
Section 5. Clock Commands.............................................................................................. 69
clock set................................................................................................................................ 69
clock source.......................................................................................................................... 70
clock timezone...................................................................................................................... 71
clock summer-time................................................................................................................ 72
sntp authentication-key.........................................................................................................74
sntp authenticate................................................................................................................... 75
sntp trusted-key .................................................................................................................... 76
sntp client poll timer.............................................................................................................. 77
sntp broadcast client enable.................................................................................................78
sntp anycast client enable.....................................................................................................79
sntp client enable (Interface).................................................................................................80
sntp unicast client enable......................................................................................................81
sntp unicast client poll........................................................................................................... 82
sntp server............................................................................................................................ 83
show clock ............................................................................................................................ 84
show sntp configuration........................................................................................................85
show sntp status................................................................................................................... 86

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Section 6. Configuration and Image File Commands......................................................... 89
copy ...................................................................................................................................... 89
delete.................................................................................................................................... 92
boot system........................................................................................................................... 93
show running-config.............................................................................................................. 94
show startup-config............................................................................................................... 95
show backup-config..............................................................................................................96
show bootvar......................................................................................................................... 97
Section 7. Ethernet Configuration Commands................................................................... 99
interface ethernet.................................................................................................................. 99
interface range ethernet...................................................................................................... 100
shutdown............................................................................................................................. 101
description........................................................................................................................... 102
speed.................................................................................................................................. 103
duplex ................................................................................................................................. 104
negotiation .......................................................................................................................... 105
flowcontrol........................................................................................................................... 106
mdix .................................................................................................................................... 107
back-pressure..................................................................................................................... 108
port jumbo-frame................................................................................................................. 109
clear counters ..................................................................................................................... 110
set interface active.............................................................................................................. 111
show interfaces advertise ................................................................................................... 112
show interfaces configuration ............................................................................................. 113
show interfaces status ........................................................................................................ 114
show interfaces description................................................................................................. 115
show interfaces counters.................................................................................................... 116
show ports jumbo-frame ..................................................................................................... 119
port storm-control include-multicast (GC)........................................................................... 120
port storm-control include-multicast (IC)............................................................................. 121
port storm-control broadcast enable................................................................................... 122
port storm-control broadcast rate........................................................................................ 123
show ports storm-control..................................................................................................... 124
Section 8. GVRP Commands........................................................................................... 125
gvrp enable (Global) ........................................................................................................... 125
gvrp enable (Interface)........................................................................................................ 126
garp timer............................................................................................................................ 127
gvrp vlan-creation-forbid..................................................................................................... 128
gvrp registration-forbid........................................................................................................129
clear gvrp statistics ............................................................................................................. 130

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show gvrp configuration...................................................................................................... 131
show gvrp statistics............................................................................................................. 132
show gvrp error-statistics.................................................................................................... 133
Section 9. IGMP Snooping Commands............................................................................135
ip igmp snooping (Global)...................................................................................................135
ip igmp snooping (Interface) ...............................................................................................136
ip igmp snooping mrouter learn-pim-dvmrp........................................................................137
ip igmp snooping host-time-out...........................................................................................138
ip igmp snooping mrouter-time-out..................................................................................... 139
ip igmp snooping leave-time-out......................................................................................... 140
show ip igmp snooping mrouter.......................................................................................... 141
show ip igmp snooping interface......................................................................................... 142
show ip igmp snooping groups ........................................................................................... 143
Section 10. IP Address Commands.................................................................................... 145
ip address ........................................................................................................................... 145
ip address dhcp................................................................................................................... 146
ip default-gateway............................................................................................................... 147
show ip interface................................................................................................................. 148
arp....................................................................................................................................... 149
arp timeout.......................................................................................................................... 150
clear arp-cache ................................................................................................................... 151
show arp ............................................................................................................................. 152
ip domain-lookup................................................................................................................. 153
ip domain-name..................................................................................................................154
ip name-server.................................................................................................................... 155
ip host ................................................................................................................................. 156
clear host ............................................................................................................................ 157
clear host dhcp.................................................................................................................... 158
show hosts.......................................................................................................................... 159
Section 11. IP Routing Commands .................................................................................... 161
ip route...............................................................................................................................................161
show ip route....................................................................................................................... 162
ip dhcp relay enable............................................................................................................164
ip dhcp relay address..........................................................................................................165
show ip dhcp relay..............................................................................................................166
Section 12. LACP Commands............................................................................................ 167
lacp system-priority............................................................................................................. 167

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lacp port-priority.................................................................................................................. 168
lacp timeout......................................................................................................................... 169
show lacp ethernet..............................................................................................................170
show lacp port-channel....................................................................................................... 173
Section 13. Line Commands.............................................................................................. 175
line ...................................................................................................................................... 175
speed.................................................................................................................................. 176
autobaud............................................................................................................................. 177
exec-timeout ....................................................................................................................... 178
history ................................................................................................................................. 179
history size.......................................................................................................................... 180
terminal history.................................................................................................................... 181
terminal history size............................................................................................................ 182
show line............................................................................................................................. 183
Section 14. Management ACL Commands........................................................................ 185
management access-list..................................................................................................... 185
permit (Management).......................................................................................................... 187
deny (Management)............................................................................................................ 188
management access-class ................................................................................................. 189
show management access-list............................................................................................ 190
show management access-class........................................................................................ 191
Section 15. PHY Diagnostics Commands.......................................................................... 193
test copper-port tdr.............................................................................................................. 193
show copper-ports tdr......................................................................................................... 194
show copper-ports cable-length.......................................................................................... 195
show fiber-ports optical-transceiver.................................................................................... 196
Section 16. Power Over Ethernet Commands.................................................................... 199
power inline......................................................................................................................... 199
power inline powered-device .............................................................................................. 200
power inline priority............................................................................................................. 201
power inline usage-threshold.............................................................................................. 202
power inline traps enable.................................................................................................... 203
show power inline ...............................................................................................................204
Section 17. Port Channel Commands................................................................................ 207
interface port-channel......................................................................................................... 207

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interface range port-channel...............................................................................................208
channel-group..................................................................................................................... 209
show interfaces port-channel.............................................................................................. 210
Section 18. Port Monitor Commands.................................................................................. 211
port monitor......................................................................................................................... 211
show ports monitor..............................................................................................................213
Section 19. QoS Commands.............................................................................................. 215
qos...................................................................................................................................... 215
show qos............................................................................................................................. 216
class-map............................................................................................................................ 217
show class-map..................................................................................................................218
match .................................................................................................................................. 219
policy-map........................................................................................................................... 220
class.................................................................................................................................... 221
show policy-map.................................................................................................................222
trust cos-dscp...................................................................................................................... 223
set ....................................................................................................................................... 224
police................................................................................................................................... 225
service-policy ...................................................................................................................... 226
qos aggregate-policer ......................................................................................................... 227
show qos aggregate-policer................................................................................................ 229
police aggregate ................................................................................................................. 230
wrr-queue cos-map............................................................................................................. 231
wrr-queue bandwidth .......................................................................................................... 232
priority-queue out num-of-queues....................................................................................... 233
traffic-shape........................................................................................................................ 234
show qos interface..............................................................................................................235
qos wrr-queue threshold.....................................................................................................237
qos map policed-dscp......................................................................................................... 238
qos map dscp-queue .......................................................................................................... 239
qos trust (Global) ................................................................................................................ 240
qos trust (Interface)............................................................................................................. 241
qos cos................................................................................................................................ 242
qos dscp-mutation...............................................................................................................243
qos map dscp-mutation.......................................................................................................244
security-suite enable...........................................................................................................245
security-suite dos protect.................................................................................................... 246
security-suite deny martian-addresses............................................................................... 247

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Section 20. RMON Commands.......................................................................................... 249
show rmon statistics............................................................................................................249
rmon collection history........................................................................................................ 252
show rmon collection history............................................................................................... 253
show rmon history...............................................................................................................254
rmon alarm.......................................................................................................................... 257
show rmon alarm-table ....................................................................................................... 259
show rmon alarm ................................................................................................................ 260
rmon event.......................................................................................................................... 262
show rmon events............................................................................................................... 263
show rmon log..................................................................................................................... 264
rmon table-size ................................................................................................................... 266
Section 21. RADIUS Commands........................................................................................ 267
radius-server host............................................................................................................... 267
radius-server key ................................................................................................................ 269
radius-server retransmit...................................................................................................... 270
radius-server source-ip....................................................................................................... 271
radius-server timeout.......................................................................................................... 272
radius-server deadtime....................................................................................................... 273
show radius-servers............................................................................................................ 274
Section 22. SNMP Commands........................................................................................... 275
snmp-server community...................................................................................................... 275
snmp-server view................................................................................................................277
snmp-server group.............................................................................................................. 278
snmp-server user................................................................................................................279
snmp-server engineID local................................................................................................ 281
snmp-server enable traps................................................................................................... 283
snmp-server filter................................................................................................................ 284
snmp-server host................................................................................................................285
snmp-server v3-host........................................................................................................... 287
snmp-server trap authentication ......................................................................................... 288
snmp-server contact ........................................................................................................... 289
snmp-server location........................................................................................................... 290
snmp-server set.................................................................................................................. 291
show snmp.......................................................................................................................... 292
show snmp engineid........................................................................................................... 294
show snmp views................................................................................................................ 295
show snmp groups.............................................................................................................. 296
show snmp filters................................................................................................................ 297
show snmp users................................................................................................................ 298

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Section 23. Spanning-Tree Commands ............................................................................. 299
spanning-tree...................................................................................................................... 299
spanning-tree mode............................................................................................................ 300
spanning-tree forward-time................................................................................................. 301
spanning-tree hello-time ..................................................................................................... 302
spanning-tree max-age....................................................................................................... 303
spanning-tree priority..........................................................................................................304
spanning-tree disable..........................................................................................................305
spanning-tree cost ..............................................................................................................306
spanning-tree port-priority................................................................................................... 307
spanning-tree portfast.........................................................................................................308
spanning-tree link-type........................................................................................................309
spanning-tree pathcost method .......................................................................................... 310
spanning-tree bpdu.............................................................................................................311
clear spanning-tree detected-protocols...............................................................................312
spanning-tree mst priority ................................................................................................... 313
spanning-tree mst max-hops .............................................................................................. 314
spanning-tree mst port-priority............................................................................................ 315
spanning-tree mst cost........................................................................................................ 316
spanning-tree mst configuration.......................................................................................... 317
instance (mst) ..................................................................................................................... 318
name (mst).......................................................................................................................... 319
revision (mst) ...................................................................................................................... 320
show (mst) .......................................................................................................................... 321
exit (mst)............................................................................................................................. 322
abort (mst)........................................................................................................................... 323
spanning-tree guard root..................................................................................................... 324
show spanning-tree.............................................................................................................325
Section 24. SSH Commands.............................................................................................. 339
ip ssh port ........................................................................................................................... 339
ip ssh server........................................................................................................................ 340
crypto key generate dsa......................................................................................................341
crypto key generate rsa ...................................................................................................... 342
ip ssh pubkey-auth..............................................................................................................343
crypto key pubkey-chain ssh...............................................................................................344
user-key.............................................................................................................................. 345
key-string ............................................................................................................................ 346
show ip ssh ......................................................................................................................... 348
show crypto key mypubkey................................................................................................. 349
show crypto key pubkey-chain ssh..................................................................................... 350

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Section 25. Syslog Commands .......................................................................................... 351
logging on ........................................................................................................................... 351
logging ................................................................................................................................ 352
logging console................................................................................................................... 353
logging buffered.................................................................................................................. 354
logging buffered size...........................................................................................................355
clear logging........................................................................................................................ 356
logging file........................................................................................................................... 357
clear logging file.................................................................................................................. 358
aaa logging ......................................................................................................................... 359
file-system logging.............................................................................................................. 360
management logging .......................................................................................................... 361
show logging....................................................................................................................... 362
show logging file ................................................................................................................. 364
show syslog-servers ........................................................................................................... 366
Section 26. System Management Commands................................................................... 367
ping..................................................................................................................................... 367
traceroute............................................................................................................................ 369
telnet................................................................................................................................... 371
resume................................................................................................................................ 374
reload.................................................................................................................................. 375
hostname............................................................................................................................ 376
stack master........................................................................................................................ 377
stack reload......................................................................................................................... 378
stack display-order.............................................................................................................. 379
stack light unit..................................................................................................................... 380
show stack.......................................................................................................................... 381
show users.......................................................................................................................... 383
show sessions..................................................................................................................... 384
show system....................................................................................................................... 385
show version....................................................................................................................... 387
service cpu-utilization.......................................................................................................... 388
show cpu utilization............................................................................................................. 389
set system mode.................................................................................................................390
show system mode............................................................................................................. 391
Section 27. TACACS+ Commands .................................................................................... 393
tacacs-server host............................................................................................................... 393
tacacs-server key................................................................................................................ 395
tacacs-server timeout.......................................................................................................... 396
tacacs-server source-ip....................................................................................................... 397

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show tacacs........................................................................................................................ 398
Section 28. User Interface Commands............................................................................... 399
enable................................................................................................................................. 399
disable................................................................................................................................. 400
login .................................................................................................................................... 401
configure ............................................................................................................................. 402
exit (Configuration).............................................................................................................. 403
exit ...................................................................................................................................... 404
end...................................................................................................................................... 405
help..................................................................................................................................... 406
terminal data-dump.............................................................................................................407
show history........................................................................................................................ 408
show privilege..................................................................................................................... 409
Section 29. VLAN Commands............................................................................................ 411
vlan database...................................................................................................................... 411
vlan ..................................................................................................................................... 412
interface vlan....................................................................................................................... 413
interface range vlan ............................................................................................................414
name................................................................................................................................... 415
switchport protected............................................................................................................416
switchport mode.................................................................................................................. 417
switchport access vlan........................................................................................................ 418
switchport trunk allowed vlan.............................................................................................. 419
switchport trunk native vlan................................................................................................. 420
switchport general allowed vlan.......................................................................................... 421
switchport general pvid....................................................................................................... 422
switchport general ingress-filtering disable.........................................................................423
switchport general acceptable-frame-type tagged-only ...................................................... 424
switchport forbidden vlan....................................................................................................425
ip internal-usage-vlan..........................................................................................................426
show vlan............................................................................................................................ 427
show vlan internal usage ....................................................................................................428
show interfaces switchport.................................................................................................. 429
map protocol protocols-group............................................................................................. 431
switchport general map protocols-group vlan..................................................................... 432
show vlan protocols-groups................................................................................................ 433
Section 30. Web Server Commands..................................................................................435
ip http server....................................................................................................................... 435
ip http port........................................................................................................................... 436

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ip https server ..................................................................................................................... 437
ip https port......................................................................................................................... 438
crypto certificate generate................................................................................................... 439
crypto certificate request..................................................................................................... 440
crypto certificate import.......................................................................................................442
ip https certificate................................................................................................................ 444
show crypto certificate mycertificate................................................................................... 445
show ip http......................................................................................................................... 446
show ip https....................................................................................................................... 447
Section 31. 802.1x Commands .......................................................................................... 449
aaa authentication dot1x..................................................................................................... 449
dot1x system-auth-control................................................................................................... 450
dot1x port-control................................................................................................................ 451
dot1x re-authentication ....................................................................................................... 452
dot1x timeout re-authperiod................................................................................................ 453
dot1x re-authenticate.......................................................................................................... 454
dot1x timeout quiet-period .................................................................................................. 455
dot1x timeout tx-period ....................................................................................................... 456
dot1x max-req..................................................................................................................... 457
dot1x timeout supp-timeout................................................................................................. 458
dot1x timeout server-timeout .............................................................................................. 459
show dot1x.......................................................................................................................... 460
show dot1x users................................................................................................................463
show dot1x statistics...........................................................................................................465
ADVANCED FEATURES.................................................................................................... 467
dot1x auth-not-req............................................................................................................... 467
dot1x multiple-hosts............................................................................................................468
dot1x single-host-violation .................................................................................................. 469
dot1x guest-vlan.................................................................................................................. 470
dot1x guest-vlan enable...................................................................................................... 471
show dot1x advanced......................................................................................................... 472
Section 32. Wireless AP BSS Commands......................................................................... 475
bss ...................................................................................................................................... 475
enable................................................................................................................................. 476
bss configure....................................................................................................................... 477
advertise-ssid...................................................................................................................... 478
data-rates............................................................................................................................ 479
Section 33. Wireless AP General Commands.................................................................... 481
clear wlan ap....................................................................................................................... 481

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wlan ap key......................................................................................................................... 482
wlan ap configure................................................................................................................ 483
name................................................................................................................................... 484
tunnel priority ...................................................................................................................... 485
wan enable.......................................................................................................................... 486
console logging................................................................................................................... 487
interface ethernet................................................................................................................ 488
vlan allowed........................................................................................................................ 489
vlan native........................................................................................................................... 490
wlan template ap create...................................................................................................... 491
wlan template ap configure................................................................................................. 492
set wlan copy ...................................................................................................................... 493
show wlan aps .................................................................................................................... 494
show wlan ap interface radio ..............................................................................................498
show wlan ap interface ethernet......................................................................................... 499
show wlan aps counters......................................................................................................500
show wlan aps discovered.................................................................................................. 503
show wlan template aps......................................................................................................504
Section 34. WLAN Certificates Commands........................................................................ 507
crypto my certificate import.................................................................................................507
show crypto certificate mycertificate................................................................................... 508
Section 35. WLAN Domain Commands ............................................................................. 509
wlan domain member approve...........................................................................................................509
wlan domain member passive ............................................................................................ 510
wlan domain certificate ....................................................................................................... 511
show wlan domain .............................................................................................................. 512
show wlan domain certificate..............................................................................................513
Section 36. Wireless ESS Commands............................................................................... 515
wlan ess create................................................................................................................... 515
wlan ess configure..............................................................................................................516
ssid...................................................................................................................................... 517
open vlan ............................................................................................................................ 518
qos...................................................................................................................................... 519
load-balancing..................................................................................................................... 520
mac-filtering action.............................................................................................................. 521
mac-filtering list................................................................................................................... 522
security suite create............................................................................................................ 523
security suite configure.......................................................................................................525
vlan (Security-Suite ESS) ................................................................................................... 526

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timer (Security-Suite ESS).................................................................................................. 527
update-gkey-on-leave (Security-Suite ESS)....................................................................... 528
wpa2 pre-authentication...................................................................................................... 529
show wlan ess..................................................................................................................... 530
show wlan ess mac-filtering lists......................................................................................... 533
show wlan ess counters...................................................................................................... 534
Section 37. Wireless AP Radio Commands....................................................................... 535
interface radio..................................................................................................................... 535
enable (ap radio)................................................................................................................. 536
channel ............................................................................................................................... 537
power.................................................................................................................................. 538
allow traffic.......................................................................................................................... 539
preamble............................................................................................................................. 540
rts threshold........................................................................................................................ 541
antenna............................................................................................................................... 542
beacon period..................................................................................................................... 543
Section 38. Wireless Rogue AP Commands...................................................................... 545
rogue-detect enable (Radio)............................................................................................... 545
rogue-detect rogue-scan-interval........................................................................................ 546
wlan rogue-detect rogue-ap................................................................................................ 547
clear wlan rogue-ap ............................................................................................................ 548
show wlan rogue-aps configuration .................................................................................... 549
show wlan rogue-aps list..................................................................................................... 550
show wlan rogue-aps neighborhood................................................................................... 551
Section 39. Wireless WLAN Commands............................................................................ 553
wlan capwap ip address...................................................................................................... 553
wlan tx-power off................................................................................................................. 554
wlan country-code...............................................................................................................555
wlan tx-power auto enable.................................................................................................. 557
wlan tx-power auto interval................................................................................................. 558
wlan tx-power auto signal-strength..................................................................................... 559
wlan tx-power auto signal-loss............................................................................................ 560
wlan station idle-timeout ..................................................................................................... 561
clear wlan station................................................................................................................ 562
show wlan........................................................................................................................... 563
show wlan auto-tx-power.................................................................................................... 564
show wlan logging configuration......................................................................................... 565
show wlan stations..............................................................................................................566
show wlan stations counters............................................................................................... 569

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Appendix A Troubleshooting............................................................................................... 571
Problem Management........................................................................................................................572
Troubleshooting Solutions..................................................................................................................572

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Section 1. Using the CLI
Overview
This document describes the Command Line Interface (CLI) used to manage the D-Link DXS/DWS-3200 series of
switches. The D-Link DXS-3227 and DXS-3227P switches can operate as standalone systems, or can be stacked
together in the same system.
Most of the CLI commands are applicable to all devices.
The license-enabled D-Link switch models are described in sections.
This chapter describes how to start using the CLI and the CLI command editing features.
CLI Command Modes
Introduction
To assist in configuring the device, the Command Line Interface (CLI) is divided into different command modes.
Each command mode has its own set of specific commands. Entering a question mark “?” at the console prompt
displays a list of commands available for that particular command mode.
From each mode a specific command is used to navigate from one command mode to another. The standard
order to access the modes is as follows: User EXEC mode, Privileged EXEC mode, Global Configuration mode,
and Interface Configuration mode.
When starting a session, the initial mode is the User EXEC mode. Only a limited subset of commands are
available in User EXEC mode. This level is reserved for tasks that do not change the configuration. To enter the
next level, the Privileged EXEC mode, a password is required.
The Privileged EXEC mode gives access to commands that are restricted on User EXEC mode and provides
access to the device Configuration mode.
The Global Configuration mode manages the device configuration on a global level.
The Interface Configuration mode configures specific interfaces in the device.
User EXEC Mode
After logging into the device, the user is automatically in User EXEC command mode unless the user is defined as
a privileged user. In general, the User EXEC commands allow the user to perform basic tests, and list system
information.
The user-level prompt consists of the device host name followed by the angle bracket (>).
The default host name is Console unless it has been changed using the hostname command in the Global
Configuration mode.
Privileged EXEC Mode
Privileged access is password protected to prevent unauthorized use because many of the Privileged commands
set operating system parameters. The password is not displayed on the screen and is case sensitive.
Console>

Using the CLI
Overview
Page 16
Privileged users enter directly into the Privileged EXEC mode. To enter the Privileged EXEC mode from the User
EXEC mode, perform the following steps:
1. At the prompt enter the enable command and press <Enter>. A password prompt is displayed.
2. Enter the password and press <Enter>. The password is displayed as *. The Privileged EXEC mode prompt
is displayed. The Privileged EXEC mode prompt consists of the device host name followed by #.
To return from the Privileged EXEC mode to the User EXEC mode, use the disable command. The following
example illustrates how to access the Privileged EXEC mode and return to the User EXEC mode:
The exit command is used to return from any mode to the previous mode except when returning to the User
EXEC mode from the Privileged EXEC mode. For example, the exit command is used to return from the Interface
Configuration mode to the Global Configuration mode.
Global Configuration Mode
Global Configuration mode commands apply to features that affect the system as a whole, rather than just a
specific interface. The configure Privileged EXEC mode command is used to enter the Global Configuration
mode.
To enter the Global Configuration mode perform the following steps:
1. At the Privileged EXEC mode prompt enter the configure command and press <Enter>. The Global Configu-
ration mode prompt is displayed. The Global Configuration mode prompt consists of the device host name
followed by (config) and #.
To return from the Global Configuration mode to the Privileged EXEC mode, the user can use one of the following
commands:
•exit
•end
•Ctrl+Z
The following example illustrates how to access the Global Configuration mode and return to the Privileged EXEC
mode:
Console#
Console>
enable
Enter Password: ******
Console#
Console#
disable
Console>
Console(config)#
Console#
Console#
configure
Console(config)# exit
Console#

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Interface Configuration and Specific Configuration Modes
Interface Configuration mode commands modify specific interface operations. The following are the Interface
Configuration modes:
•Line Interface — Contains commands to configure the management connections. These include commands
such as line timeout settings, etc. The line Global Configuration mode command is used to enter the Line
Configuration command mode.
•VLAN Database — Contains commands to create a VLAN as a whole. The vlan database Global
Configuration mode command is used to enter the VLAN Database Interface Configuration mode.
•Management Access List — Contains commands to define management access-lists. The management
access-list Global Configuration mode command is used to enter the Management Access List Configuration
mode.
•Ethernet — Contains commands to manage port configuration. The interface ethernet Global Configuration
mode command is used to enter the Interface Configuration mode to configure an Ethernet type interface.
•Port Channel — Contains commands to configure port-channels, for example, assigning ports to a port-
channel. Most of these commands are the same as the commands in the Ethernet interface mode, and are
used to manage the member ports as a single entity. The interface port-channel Global Configuration mode
command is used to enter the Port Channel Interface Configuration mode.
•SSH Public Key-chain — Contains commands to manually specify other device SSH public keys. The
crypto key pubkey-chain ssh Global Configuration mode command is used to enter the SSH Public Key-
chain Configuration mode.
•QoS — Contains commands related to service definitions. The qos Global Configuration mode command is
used to enter the QoS services configuration mode.
•MAC Access-List —Configures conditions required to allow traffic based on MAC addresses. The mac
access-list Global Configuration mode command is used to enter the MAC access-list configuration mode.
Starting the CLI
The device can be managed over a direct connection to the device console port or via a Telnet connection. The
device is managed by entering command keywords and parameters at the prompt. Using the device command-
line interface (CLI) is very similar to entering commands on a UNIX system.
If access is via a Telnet connection, ensure that the device has a defined IP address, corresponding management
access is granted, and the workstation used to access the device is connected to the device prior to using CLI
commands.
Note
The following steps are for use on the console line only.
To start using the CLI, perform the following steps:
1. Connect the DB9 null-modem or crossover cable to the RS-232 serial port of the device to the RS-232 serial
port of the terminal or computer running the terminal emulation application.
a) Set the data format to 8 data bits, 1 stop bit, and no parity.
b) Set Flow Control to none.
c) Under Properties, select VT100 for Emulation mode.
d) Select Terminal keys for Function, Arrow, and Ctrl keys. Ensure that the setting is for Terminal keys
(not Windows keys).