Default Settings For Traffic Storm Control; Configuring Traffic Storm Control - Cisco Nexus 9000 Series Configuration Manual

Default Settings for Traffic Storm Control

• Due to a hardware limitation, the output for the show interface counters storm-control command does
• Due to a hardware limitation, the packet drop counter cannot distinguish between packet drops caused
• Due to a hardware limitation, storm suppression packet statistics are not supported on uplink ports.
• Due to a hardware limitation, storm suppression packet statistics do not include broadcast traffic on
• Due to a design limitation, storm suppression packet statistics do not work if the configured level is 0.0,
• Traffic storm control is not supported on 100G ports on the Cisco Nexus 9300 Series switches. It is
• Traffic storm control is not supported on FEX interfaces.
• Traffic storm control is only for ingress traffic, specifically for unknown unicast, unknown multicast,
• The following guidelines and limitations apply to Cisco Nexus 9200 Series switches:
Default Settings for Traffic Storm Control
This table lists the default settings for traffic storm control parameters.
Table 37: Default Traffic Storm Control Parameters
Parameters
Traffic storm control
Threshold percentage

Configuring Traffic Storm Control

You can set the percentage of total available bandwidth that the controlled traffic can use.
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not show ARP suppressions when storm control is configured and the interface is actually suppressing
ARP broadcast traffic. This limitation can lead to the configured action not being triggered but the
incoming ARP broadcast traffic being correctly storm suppressed.
by a traffic storm and packet drops caused by other discarded input frames. This limitation can lead to
the configured action being triggered even in the absence of a traffic storm.
VLANs with an active switched virtual interface (SVI).
which is meant to suppress all incoming storm packets.
supported on the Cisco Nexus 9300-EX/FX and FX2 Series switches and the Cisco Nexus 9500 Series
switches with the 9700-EX/FX line card.
and broadcast traffic.
• Traffic storm control with unknown multicast traffic is not supported.
• Packet-based statistics are not supported for traffic storm control as the policer supports only
byte-based statistics.
• Traffic storm control is not supported for copy-to-CPU packets.
Default
Disabled
100
Configuring Traffic Storm Control