Administrator Guide

Parameters
pfc-llfc pps Enter a pps value to specify the threshold for flow-control traffic. The range is
from 0 to 33554368 packets per second.
shutdown Enter the keyword shutdown to shut down the port when flow-control traffic
exceeds the configured rate.
Defaults None
Command Modes INTERFACE (conf-if-interface-slot/port)
Command
History
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010, S4810, S4820T, S5000, S6000, Z9500, S3048-ON,
S4048-ON, and S6000-ON.
Usage
Information
Use this command to disable a storm control-enabled interface when it receives continuous PFC/LLFC
packets. This situation can occur if a faulty NIC or switch sends spurious PFC/LLFC packets.
storm-control unknown-unicast (Configuration)
Configure the percentage of unknown-unicast traffic allowed in or out of the network.
C9000 Series
Syntax
storm-control unknown-unicast [packets_per_second in]
To disable storm control for unknown-unicast traffic, use the no storm-control unknown-
unicast [packets_per_second in] command.
Parameters
packets_per_sec
ond in
Enter the packets per second of broadcast traffic allowed into the network. The
range is from 0 to 33554368.
Defaults none
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.6.1.0 Introduced on the S-Series.
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.
Usage
Information
Unknown Unicast Storm-Control is valid for Layer 2 and Layer 2/Layer 3 interfaces.
1682 Storm Control