Users Guide

clear pfc counters
Clear the PFC TLV counters and PFC statistics on an interface or stack unit.
Syntax
clear pfc counters [interface-type | stack-unit {unit number | all } all
stack-ports all}]
Parameters
port-type Enter the keywords port-type then the interface information. Enter the subport
number if a 40G port is fanned-out into 10G ports.
stack-unit unit
number
Enter the keywords stack-unit then the stack-unit number to be cleared.
all stack-ports all Enter the keywords all stack-ports all to clear the counters on all
interfaces.
statistics Enter the keyboard statistics to clear the hardware PFC counters.
Defaults none
Command Modes EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S6100-ON.
9.8(1.0) Introduced on the Z9100–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
If you do not use the statistics parameter, both hardware and DCBx counters clear.
pfc-nodrop-priority l2-dlf drop
Configure to drop the unknown unicast packets flooding on lossless priorities.
Syntax
pfc-nodrop-priority l2-dlf drop
To disable the feature, use the no pfc-nodrop-priority l2-dlf drop command.
Parameters
l2-dlf Enter the keywords l2-dlf to drop flooding traffic on lossless priorities.
drop Enter the keyword drop to enable the drop action.
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the C9010, S6000, S6000–ON, Z9100–ON and S6100–ON.
Related
Commands
show hardware pfc-nodrop-priority — displays the packets drop count corresponding to the priority.
Data Center Bridging (DCB) 391