Dell S3100 EMC Command Line Reference Guide for the Series 9.14.2.5 - Page 605
interface loopback
![]() |
View all Dell S3100 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 605 highlights
Example Related Commands DellEMC(conf)# interface group ? gigabitethernet GigabitEthernet interface IEEE 802.3z tengigabitethernet TenGigabit Ethernet interface vlan VLAN keyword DellEMC(conf)# interface group vlan 1 - 2 , tengigabitethernet 1/10 DellEMC(conf-if-group-vl-1-2,gi-1/10)# no shutdown DellEMC(conf-if-group-vl-1-2,gi-1/10)# end • interface range - configure a range of interfaces. • interface vlan - configures a VLAN. interface loopback Configure a Loopback interface. Syntax interface loopback number To remove a loopback interface, use the no interface loopback number command. Parameters number Enter a number as the interface number. The range is from 0 to 16383. Defaults Not configured. Command Modes CONFIGURATION Command History This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide. Version Description 9.10(0.1) 9.10(0.0) 9.10(0.0) 9.8(2.0) 9.8(1.0) 9.8(0.0P5) 9.8(0.0P2) 9.7(0.0) 9.2(1.0) 9.0.2.0 8.3.19.0 8.3.11.1 8.3.7.0 8.1.1.0 7.6.1.0 7.5.1.0 6.4.1.0 Introduced on the S6010-ON and S4048T-ON. Introduced on the S3148. Introduced on the S6100-ON. Introduced on the S3100 series. Introduced on the Z9100-ON. Introduced on the S4048-ON. Introduced on the S3048-ON. Introduced on the S6000-ON. Introduced on the Z9500. Introduced on the S6000. Introduced on the S4820T. Introduced on the Z9000. Introduced on the S4810. Introduced on the E-Series. Introduced on the S-Series. Introduced on the C-Series. Introduced Example DellEMC(conf)# interface loopback 1655 DellEMC(conf-if-lo-1655)# Related Commands • interface - configure a physical interface. Interfaces 605
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
-
113
-
114
-
115
-
116
-
117
-
118
-
119
-
120
-
121
-
122
-
123
-
124
-
125
-
126
-
127
-
128
-
129
-
130
-
131
-
132
-
133
-
134
-
135
-
136
-
137
-
138
-
139
-
140
-
141
-
142
-
143
-
144
-
145
-
146
-
147
-
148
-
149
-
150
-
151
-
152
-
153
-
154
-
155
-
156
-
157
-
158
-
159
-
160
-
161
-
162
-
163
-
164
-
165
-
166
-
167
-
168
-
169
-
170
-
171
-
172
-
173
-
174
-
175
-
176
-
177
-
178
-
179
-
180
-
181
-
182
-
183
-
184
-
185
-
186
-
187
-
188
-
189
-
190
-
191
-
192
-
193
-
194
-
195
-
196
-
197
-
198
-
199
-
200
-
201
-
202
-
203
-
204
-
205
-
206
-
207
-
208
-
209
-
210
-
211
-
212
-
213
-
214
-
215
-
216
-
217
-
218
-
219
-
220
-
221
-
222
-
223
-
224
-
225
-
226
-
227
-
228
-
229
-
230
-
231
-
232
-
233
-
234
-
235
-
236
-
237
-
238
-
239
-
240
-
241
-
242
-
243
-
244
-
245
-
246
-
247
-
248
-
249
-
250
-
251
-
252
-
253
-
254
-
255
-
256
-
257
-
258
-
259
-
260
-
261
-
262
-
263
-
264
-
265
-
266
-
267
-
268
-
269
-
270
-
271
-
272
-
273
-
274
-
275
-
276
-
277
-
278
-
279
-
280
-
281
-
282
-
283
-
284
-
285
-
286
-
287
-
288
-
289
-
290
-
291
-
292
-
293
-
294
-
295
-
296
-
297
-
298
-
299
-
300
-
301
-
302
-
303
-
304
-
305
-
306
-
307
-
308
-
309
-
310
-
311
-
312
-
313
-
314
-
315
-
316
-
317
-
318
-
319
-
320
-
321
-
322
-
323
-
324
-
325
-
326
-
327
-
328
-
329
-
330
-
331
-
332
-
333
-
334
-
335
-
336
-
337
-
338
-
339
-
340
-
341
-
342
-
343
-
344
-
345
-
346
-
347
-
348
-
349
-
350
-
351
-
352
-
353
-
354
-
355
-
356
-
357
-
358
-
359
-
360
-
361
-
362
-
363
-
364
-
365
-
366
-
367
-
368
-
369
-
370
-
371
-
372
-
373
-
374
-
375
-
376
-
377
-
378
-
379
-
380
-
381
-
382
-
383
-
384
-
385
-
386
-
387
-
388
-
389
-
390
-
391
-
392
-
393
-
394
-
395
-
396
-
397
-
398
-
399
-
400
-
401
-
402
-
403
-
404
-
405
-
406
-
407
-
408
-
409
-
410
-
411
-
412
-
413
-
414
-
415
-
416
-
417
-
418
-
419
-
420
-
421
-
422
-
423
-
424
-
425
-
426
-
427
-
428
-
429
-
430
-
431
-
432
-
433
-
434
-
435
-
436
-
437
-
438
-
439
-
440
-
441
-
442
-
443
-
444
-
445
-
446
-
447
-
448
-
449
-
450
-
451
-
452
-
453
-
454
-
455
-
456
-
457
-
458
-
459
-
460
-
461
-
462
-
463
-
464
-
465
-
466
-
467
-
468
-
469
-
470
-
471
-
472
-
473
-
474
-
475
-
476
-
477
-
478
-
479
-
480
-
481
-
482
-
483
-
484
-
485
-
486
-
487
-
488
-
489
-
490
-
491
-
492
-
493
-
494
-
495
-
496
-
497
-
498
-
499
-
500
-
501
-
502
-
503
-
504
-
505
-
506
-
507
-
508
-
509
-
510
-
511
-
512
-
513
-
514
-
515
-
516
-
517
-
518
-
519
-
520
-
521
-
522
-
523
-
524
-
525
-
526
-
527
-
528
-
529
-
530
-
531
-
532
-
533
-
534
-
535
-
536
-
537
-
538
-
539
-
540
-
541
-
542
-
543
-
544
-
545
-
546
-
547
-
548
-
549
-
550
-
551
-
552
-
553
-
554
-
555
-
556
-
557
-
558
-
559
-
560
-
561
-
562
-
563
-
564
-
565
-
566
-
567
-
568
-
569
-
570
-
571
-
572
-
573
-
574
-
575
-
576
-
577
-
578
-
579
-
580
-
581
-
582
-
583
-
584
-
585
-
586
-
587
-
588
-
589
-
590
-
591
-
592
-
593
-
594
-
595
-
596
-
597
-
598
-
599
-
600
-
601
-
602
-
603
-
604
-
605
-
606
-
607
-
608
-
609
-
610
-
611
-
612
-
613
-
614
-
615
-
616
-
617
-
618
-
619
-
620
-
621
-
622
-
623
-
624
-
625
-
626
-
627
-
628
-
629
-
630
-
631
-
632
-
633
-
634
-
635
-
636
-
637
-
638
-
639
-
640
-
641
-
642
-
643
-
644
-
645
-
646
-
647
-
648
-
649
-
650
-
651
-
652
-
653
-
654
-
655
-
656
-
657
-
658
-
659
-
660
-
661
-
662
-
663
-
664
-
665
-
666
-
667
-
668
-
669
-
670
-
671
-
672
-
673
-
674
-
675
-
676
-
677
-
678
-
679
-
680
-
681
-
682
-
683
-
684
-
685
-
686
-
687
-
688
-
689
-
690
-
691
-
692
-
693
-
694
-
695
-
696
-
697
-
698
-
699
-
700
-
701
-
702
-
703
-
704
-
705
-
706
-
707
-
708
-
709
-
710
-
711
-
712
-
713
-
714
-
715
-
716
-
717
-
718
-
719
-
720
-
721
-
722
-
723
-
724
-
725
-
726
-
727
-
728
-
729
-
730
-
731
-
732
-
733
-
734
-
735
-
736
-
737
-
738
-
739
-
740
-
741
-
742
-
743
-
744
-
745
-
746
-
747
-
748
-
749
-
750
-
751
-
752
-
753
-
754
-
755
-
756
-
757
-
758
-
759
-
760
-
761
-
762
-
763
-
764
-
765
-
766
-
767
-
768
-
769
-
770
-
771
-
772
-
773
-
774
-
775
-
776
-
777
-
778
-
779
-
780
-
781
-
782
-
783
-
784
-
785
-
786
-
787
-
788
-
789
-
790
-
791
-
792
-
793
-
794
-
795
-
796
-
797
-
798
-
799
-
800
-
801
-
802
-
803
-
804
-
805
-
806
-
807
-
808
-
809
-
810
-
811
-
812
-
813
-
814
-
815
-
816
-
817
-
818
-
819
-
820
-
821
-
822
-
823
-
824
-
825
-
826
-
827
-
828
-
829
-
830
-
831
-
832
-
833
-
834
-
835
-
836
-
837
-
838
-
839
-
840
-
841
-
842
-
843
-
844
-
845
-
846
-
847
-
848
-
849
-
850
-
851
-
852
-
853
-
854
-
855
-
856
-
857
-
858
-
859
-
860
-
861
-
862
-
863
-
864
-
865
-
866
-
867
-
868
-
869
-
870
-
871
-
872
-
873
-
874
-
875
-
876
-
877
-
878
-
879
-
880
-
881
-
882
-
883
-
884
-
885
-
886
-
887
-
888
-
889
-
890
-
891
-
892
-
893
-
894
-
895
-
896
-
897
-
898
-
899
-
900
-
901
-
902
-
903
-
904
-
905
-
906
-
907
-
908
-
909
-
910
-
911
-
912
-
913
-
914
-
915
-
916
-
917
-
918
-
919
-
920
-
921
-
922
-
923
-
924
-
925
-
926
-
927
-
928
-
929
-
930
-
931
-
932
-
933
-
934
-
935
-
936
-
937
-
938
-
939
-
940
-
941
-
942
-
943
-
944
-
945
-
946
-
947
-
948
-
949
-
950
-
951
-
952
-
953
-
954
-
955
-
956
-
957
-
958
-
959
-
960
-
961
-
962
-
963
-
964
-
965
-
966
-
967
-
968
-
969
-
970
-
971
-
972
-
973
-
974
-
975
-
976
-
977
-
978
-
979
-
980
-
981
-
982
-
983
-
984
-
985
-
986
-
987
-
988
-
989
-
990
-
991
-
992
-
993
-
994
-
995
-
996
-
997
-
998
-
999
-
1,000
-
1,001
-
1,002
-
1,003
-
1,004
-
1,005
-
1,006
-
1,007
-
1,008
-
1,009
-
1,010
-
1,011
-
1,012
-
1,013
-
1,014
-
1,015
-
1,016
-
1,017
-
1,018
-
1,019
-
1,020
-
1,021
-
1,022
-
1,023
-
1,024
-
1,025
-
1,026
-
1,027
-
1,028
-
1,029
-
1,030
-
1,031
-
1,032
-
1,033
-
1,034
-
1,035
-
1,036
-
1,037
-
1,038
-
1,039
-
1,040
-
1,041
-
1,042
-
1,043
-
1,044
-
1,045
-
1,046
-
1,047
-
1,048
-
1,049
-
1,050
-
1,051
-
1,052
-
1,053
-
1,054
-
1,055
-
1,056
-
1,057
-
1,058
-
1,059
-
1,060
-
1,061
-
1,062
-
1,063
-
1,064
-
1,065
-
1,066
-
1,067
-
1,068
-
1,069
-
1,070
-
1,071
-
1,072
-
1,073
-
1,074
-
1,075
-
1,076
-
1,077
-
1,078
-
1,079
-
1,080
-
1,081
-
1,082
-
1,083
-
1,084
-
1,085
-
1,086
-
1,087
-
1,088
-
1,089
-
1,090
-
1,091
-
1,092
-
1,093
-
1,094
-
1,095
-
1,096
-
1,097
-
1,098
-
1,099
-
1,100
-
1,101
-
1,102
-
1,103
-
1,104
-
1,105
-
1,106
-
1,107
-
1,108
-
1,109
-
1,110
-
1,111
-
1,112
-
1,113
-
1,114
-
1,115
-
1,116
-
1,117
-
1,118
-
1,119
-
1,120
-
1,121
-
1,122
-
1,123
-
1,124
-
1,125
-
1,126
-
1,127
-
1,128
-
1,129
-
1,130
-
1,131
-
1,132
-
1,133
-
1,134
-
1,135
-
1,136
-
1,137
-
1,138
-
1,139
-
1,140
-
1,141
-
1,142
-
1,143
-
1,144
-
1,145
-
1,146
-
1,147
-
1,148
-
1,149
-
1,150
-
1,151
-
1,152
-
1,153
-
1,154
-
1,155
-
1,156
-
1,157
-
1,158
-
1,159
-
1,160
-
1,161
-
1,162
-
1,163
-
1,164
-
1,165
-
1,166
-
1,167
-
1,168
-
1,169
-
1,170
-
1,171
-
1,172
-
1,173
-
1,174
-
1,175
-
1,176
-
1,177
-
1,178
-
1,179
-
1,180
-
1,181
-
1,182
-
1,183
-
1,184
-
1,185
-
1,186
-
1,187
-
1,188
-
1,189
-
1,190
-
1,191
-
1,192
-
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
-
1,302
-
1,303
-
1,304
-
1,305
-
1,306
-
1,307
-
1,308
-
1,309
-
1,310
-
1,311
-
1,312
-
1,313
-
1,314
-
1,315
-
1,316
-
1,317
-
1,318
-
1,319
-
1,320
-
1,321
-
1,322
-
1,323
-
1,324
-
1,325
-
1,326
-
1,327
-
1,328
-
1,329
-
1,330
-
1,331
-
1,332
-
1,333
-
1,334
-
1,335
-
1,336
-
1,337
-
1,338
-
1,339
-
1,340
-
1,341
-
1,342
-
1,343
-
1,344
-
1,345
-
1,346
-
1,347
-
1,348
-
1,349
-
1,350
-
1,351
-
1,352
-
1,353
-
1,354
-
1,355
-
1,356
-
1,357
-
1,358
-
1,359
-
1,360
-
1,361
-
1,362
-
1,363
-
1,364
-
1,365
-
1,366
-
1,367
-
1,368
-
1,369
-
1,370
-
1,371
-
1,372
-
1,373
-
1,374
-
1,375
-
1,376
-
1,377
-
1,378
-
1,379
-
1,380
-
1,381
-
1,382
-
1,383
-
1,384
-
1,385
-
1,386
-
1,387
-
1,388
-
1,389
-
1,390
-
1,391
-
1,392
-
1,393
-
1,394
-
1,395
-
1,396
-
1,397
-
1,398
-
1,399
-
1,400
-
1,401
-
1,402
-
1,403
-
1,404
-
1,405
-
1,406
-
1,407
-
1,408
-
1,409
-
1,410
-
1,411
-
1,412
-
1,413
-
1,414
-
1,415
-
1,416
-
1,417
-
1,418
-
1,419
-
1,420
-
1,421
-
1,422
-
1,423
-
1,424
-
1,425
-
1,426
-
1,427
-
1,428
-
1,429
-
1,430
-
1,431
-
1,432
-
1,433
-
1,434
-
1,435
-
1,436
-
1,437
-
1,438
-
1,439
-
1,440
-
1,441
-
1,442
-
1,443
-
1,444
-
1,445
-
1,446
-
1,447
-
1,448
-
1,449
-
1,450
-
1,451
-
1,452
-
1,453
-
1,454
-
1,455
-
1,456
-
1,457
-
1,458
-
1,459
-
1,460
-
1,461
-
1,462
-
1,463
-
1,464
-
1,465
-
1,466
-
1,467
-
1,468
-
1,469
-
1,470
-
1,471
-
1,472
-
1,473
-
1,474
-
1,475
-
1,476
-
1,477
-
1,478
-
1,479
-
1,480
-
1,481
-
1,482
-
1,483
-
1,484
-
1,485
-
1,486
-
1,487
-
1,488
-
1,489
-
1,490
-
1,491
-
1,492
-
1,493
-
1,494
-
1,495
-
1,496
-
1,497
-
1,498
-
1,499
-
1,500
-
1,501
-
1,502
-
1,503
-
1,504
-
1,505
-
1,506
-
1,507
-
1,508
-
1,509
-
1,510
-
1,511
-
1,512
-
1,513
-
1,514
-
1,515
-
1,516
-
1,517
-
1,518
-
1,519
-
1,520
-
1,521
-
1,522
-
1,523
-
1,524
-
1,525
-
1,526
-
1,527
-
1,528
-
1,529
-
1,530
-
1,531
-
1,532
-
1,533
-
1,534
-
1,535
-
1,536
-
1,537
-
1,538
-
1,539
-
1,540
-
1,541
-
1,542
-
1,543
-
1,544
-
1,545
-
1,546
-
1,547
-
1,548
-
1,549
-
1,550
-
1,551
-
1,552
-
1,553
-
1,554
-
1,555
-
1,556
-
1,557
-
1,558
-
1,559
-
1,560
-
1,561
-
1,562
-
1,563
-
1,564
-
1,565
-
1,566
-
1,567
-
1,568
-
1,569
-
1,570
-
1,571
-
1,572
-
1,573
-
1,574
-
1,575
-
1,576
-
1,577
-
1,578
-
1,579
-
1,580
-
1,581
-
1,582
-
1,583
-
1,584
-
1,585
-
1,586
-
1,587
-
1,588
-
1,589
-
1,590
-
1,591
-
1,592
-
1,593
-
1,594
-
1,595
-
1,596
-
1,597
-
1,598
-
1,599
-
1,600
-
1,601
-
1,602
-
1,603
-
1,604
-
1,605
-
1,606
-
1,607
-
1,608
-
1,609
-
1,610
-
1,611
-
1,612
-
1,613
-
1,614
-
1,615
-
1,616
-
1,617
-
1,618
-
1,619
-
1,620
-
1,621
-
1,622
-
1,623
-
1,624
-
1,625
-
1,626
-
1,627
-
1,628
-
1,629
-
1,630
-
1,631
-
1,632
-
1,633
-
1,634
-
1,635
-
1,636
-
1,637
-
1,638
-
1,639
-
1,640
-
1,641
-
1,642
-
1,643
-
1,644
-
1,645
-
1,646
-
1,647
-
1,648
-
1,649
-
1,650
-
1,651
-
1,652
![]() |
![]() |
![](/manual_guide/products/dell-s3100-emc-command-line-reference-guide-series-91425-ce04399/605.png)