Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 609
dcb-buffer-threshold, priority
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Example Shared-pfc-buffer-size
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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
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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
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1,311
-
1,312
-
1,313
-
1,314
-
1,315
-
1,316
-
1,317
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1,318
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1,319
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1,320
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1,321
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1,322
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1,323
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1,324
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1,325
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1,326
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1,327
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1,328
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1,329
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1,330
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1,331
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1,332
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1,333
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1,334
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1,335
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1,336
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1,337
-
1,338
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1,339
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1,340
-
1,341
-
1,342
-
1,343
-
1,344
-
1,345
-
1,346
-
1,347
-
1,348
-
1,349
-
1,350
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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
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1,371
-
1,372
-
1,373
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1,374
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1,375
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1,376
-
1,377
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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
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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
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1,487
-
1,488
-
1,489
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1,490
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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
-
1,653
-
1,654
-
1,655
-
1,656
-
1,657
-
1,658
-
1,659
-
1,660
-
1,661
-
1,662
-
1,663
-
1,664
-
1,665
-
1,666
-
1,667
-
1,668
-
1,669
-
1,670
-
1,671
-
1,672
-
1,673
-
1,674
-
1,675
-
1,676
-
1,677
-
1,678
-
1,679
-
1,680
-
1,681
-
1,682
-
1,683
-
1,684
-
1,685
-
1,686
-
1,687
-
1,688
-
1,689
-
1,690
-
1,691
-
1,692
-
1,693
-
1,694
-
1,695
-
1,696
-
1,697
-
1,698
-
1,699
-
1,700
-
1,701
-
1,702
-
1,703
-
1,704
-
1,705
-
1,706
-
1,707
-
1,708
-
1,709
-
1,710
-
1,711
-
1,712
-
1,713
-
1,714
-
1,715
-
1,716
-
1,717
-
1,718
-
1,719
-
1,720
-
1,721
-
1,722
-
1,723
-
1,724
-
1,725
-
1,726
-
1,727
-
1,728
-
1,729
-
1,730
-
1,731
-
1,732
-
1,733
-
1,734
-
1,735
-
1,736
-
1,737
-
1,738
-
1,739
-
1,740
-
1,741
-
1,742
-
1,743
-
1,744
-
1,745
-
1,746
-
1,747
-
1,748
-
1,749
-
1,750
-
1,751
-
1,752
-
1,753
-
1,754
-
1,755
-
1,756
-
1,757
-
1,758
-
1,759
-
1,760
-
1,761
-
1,762
-
1,763
-
1,764
-
1,765
-
1,766
-
1,767
-
1,768
-
1,769
-
1,770
-
1,771
-
1,772
-
1,773
-
1,774
-
1,775
-
1,776
-
1,777
-
1,778
-
1,779
-
1,780
-
1,781
-
1,782
-
1,783
-
1,784
-
1,785
-
1,786
-
1,787
-
1,788
-
1,789
-
1,790
-
1,791
-
1,792
-
1,793
-
1,794
-
1,795
-
1,796
-
1,797
-
1,798
-
1,799
-
1,800
-
1,801
-
1,802
-
1,803
-
1,804
-
1,805
-
1,806
-
1,807
-
1,808
-
1,809
-
1,810
-
1,811
-
1,812
-
1,813
-
1,814
-
1,815
-
1,816
-
1,817
-
1,818
-
1,819
-
1,820
-
1,821
-
1,822
-
1,823
-
1,824
-
1,825
-
1,826
-
1,827
-
1,828
-
1,829
-
1,830
-
1,831
-
1,832
-
1,833
-
1,834
-
1,835
-
1,836
-
1,837
-
1,838
-
1,839
-
1,840
-
1,841
-
1,842
-
1,843
-
1,844
-
1,845
-
1,846
-
1,847
-
1,848
-
1,849
-
1,850
-
1,851
-
1,852
-
1,853
-
1,854
-
1,855
-
1,856
-
1,857
-
1,858
-
1,859
-
1,860
-
1,861
-
1,862
-
1,863
-
1,864
-
1,865
-
1,866
-
1,867
-
1,868
-
1,869
-
1,870
-
1,871
-
1,872
-
1,873
-
1,874
-
1,875
-
1,876
-
1,877
-
1,878
-
1,879
-
1,880
-
1,881
-
1,882
-
1,883
-
1,884
-
1,885
-
1,886
-
1,887
-
1,888
-
1,889
-
1,890
-
1,891
-
1,892
-
1,893
-
1,894
-
1,895
-
1,896
-
1,897
-
1,898
-
1,899
-
1,900
-
1,901
-
1,902
-
1,903
-
1,904
-
1,905
-
1,906
-
1,907
-
1,908
-
1,909
-
1,910
-
1,911
-
1,912
-
1,913
-
1,914
-
1,915
-
1,916
Shared-pfc-buffer-size <= (Total-pfc-buffer-size -
Σ
pfc priority <> buffer-size on each port, priority).
Dell(conf)#dcb pfc-shared-buffer-size
2000
%ERROR: pfc shared buffer size configured cannot accommodate existing
buffer requirement in the system.
Example
Dell(conf)#dcb pfc-shared-buffer-size
5000
dcb-buffer-threshold
Configure the profile name for the DCB buffer threshold.
C9000 Series
Syntax
dcb buffer—threshold
profile-name
Parameters
profile-name
Enter the name of the profile, which can be a string of up to 32 characters in
length.
Default
None
Command Modes
CONFIGURATION mode
Command History
Version
Description
9.9(0.0)
Introduced on the C9010.
9.7(0.1)
Introduced on the S3048-ON and S4048-ON.
9.7(0.0)
Introduced on the S6000-ON.
9.3(0.0)
Introduced on the S4810, S4820T, and S6000 platforms.
Usage Information
When you enter the profile name, you enter the DCB buffer threshold configuration mode. You can
specify the shared buffer threshold limit, the ingress buffer size, buffer limit for pausing the acceptance of
packets, and the buffer offset limit for resuming the acceptance of received packets.
priority
Configure the priority for the PFC threshold to be allocated to the buffer space parameters.
C9000 Series
Syntax
priority
value
buffer-size
size
pause-threshold
threshold-value
resume-offset
threshold-value
shared-threshold-weight
size
Parameters
priority
Specify the priority of the queue for which the buffer space settings apply
value
Enter a number in the range of 0 to 7 to denote the priority to be allocated to the
dynamic buffer control mechanism
buffer-size
Ingress buffer size
Data Center Bridging (DCB)
609