Reference Guide

Version Description
7.5.1.0 Introduced on the C-Series.
7.4.1.0 E-Series Only: Added the percentage decimal value option.
6.5.1.0 Introduced on the E-Series.
storm-control PFC/LLFC
Shut down the port if it receives the PFC/LLFC frames more than the configured rate.
Syntax
storm-control pfc-llfc [pps]in shutdown
Parameters
pfc-llfc in Enter the keyword pfc-llfc to get the flow control traffic. The range is from 0 to
33554368 packets per second.
shutdown Enter the keyword shutdown to shut down the port when the rate exceeds.
Defaults none
Command Modes INTERFACE (conf-if-interface-slot/port)
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(0.1) Introduced on the S6010-ON and S4048T-ON.
9.9(0.0) Introduced on the C9010, S4810, S4820T, S5000, S6000, Z9500, S3048-ON,
S4048-ON, and S6000–ON.
Usage
Information
NOTE: PFC/LLFC storm control enabled interfaces disable the interfaces if it receives continuous
PFC/LLFC packets. It can be a result of a faulty NIC/Switch that sends spurious PFC/LLFC packets.
storm-control pfc in queue-drop
When a PFC storm is detected on a port or priority, you can drop the traffic meant for the specified port or priority, so that
the traffic in other queues is not disturbed. You can apply storm-control pfc in queue-drop on an interface, to enable
dropping of the traffic on all the lossless queues of the port.
Syntax
storm-control pfc in queue-drop
Parameters None
Defaults None
Command Modes INTERFACE
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 S6000, S6000–ON, S61000–ON, Z9100–ON.
Usage
Information
The storm-control pfc in queue-drop command is used to drop the traffic meant for egressing
through the specified port or priority where PFC storm has been detected.
Example
DellEMC(conf-if-te-1/24)# storm-control pfc in queue-drop
Storm Control 1527