Administrator Guide
show dcb
Displays the data center bridging status, the number of PFC-enabled ports, and the number of PFC-enabled queues.
Syntax
show dcb
Command Modes EXEC Privilege
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) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S6100-ON.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Introduced on the S6000-ON and Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.16.0 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information Specify a stack-unit number on the Master switch in a stack.
Example
DellEMC#show dcb
DCB Status: Enabled, PFC Queue Count: 2
Total Buffer: Total available buffer excluding the buffer pre-allocated
for guaranteed services like global headroom, queue's min
guaranteed buffer and CPU queues.
PFC Total Buffer: Maximum buffer available for lossless queues.
PFC Shared Buffer: Buffer used by ingress priority groups for shared usage.
PFC Headroom Buffer: Buffer used by ingress priority group for shared headroom usage.
PFC Available Buffer: Current buffer available for new lossless queues to be
Provisioned.
stack-unit Total Buffer PFC Total Buffer PFC Shared Buffer PFC Headroom Buffer PFC Available Buffer
PP (KB) (KB) (KB) (KB) (KB)
-----------------------------------------------------------------------------------------------------
1 0.0 3399 2656 1040 1040 567
1 0.1 3399 2656 1040 1040 576
1 0.2 3399 2656 1040 1040 567
1 0.3 3399 2656 1040 1040 576
DellEMC#
show hardware pfc-nodrop-priority
View the packets drop count corresponding to the priority.
Syntax
show hardware pfc-nodrop-priority l2-dlf drops stack-unit stack-unit-number
port-set port-pipe
Parameters
stack-unit
stack-
unit-number
Enter the keywords stack-unit and the stack unit number.
port-set
port-pipe
Enter the keywords port-set and port-pipe number. The port-pipe number is 0.
Command Modes
EXEC
EXEC Privilege
Command History
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the C9010, S6000, S6000–ON, Z9100–ON and S6100–ON.
Data Center Bridging (DCB) 465