Setup 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
interface
interface-type
Enter the keywords port-type then the interface information. Enter the subport
number if a port is fanned-out into 10G ports.
stack-unit unit
number
Enter the keywords stack-unit then the stack-unit number to be cleared.
statistics Enter the keyboard statistics to clear the hardware PFC counters.
stack-ports all Enter the keywords stack-ports all to clear the counters on all stack ports.
Defaults none
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
If you do not use the statistics parameter, both hardware and DCBx counters clear.
dcb pfc-headroom-buffer-size
Configure a shared head room pool limit, which is the threshold value for the shared head room pool size.
Syntax
dcb pfc-headroom-buffer-size buffer-size
To undo the shared head room pool limit configuration, use the no dcb pfc-headroom-buffer-
size buffer-size command.
Parameters
buffer-size Enter the maximum buffer value that you want to allocate for the shared head
room pool. Each lossless Priority or Priority Group can use up to the peak head
room configured for that particular priority from the shared head room configured.
The range is from 0 to 3399.
Defaults 1040 KB.
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.
Data Center Bridging (DCB) 471