unicast-suppression (upgrade-compatible command)

Function

The unicast-suppression command sets the maximum traffic rate of unknown unicast packets that can pass through an interface.

The undo unicast-suppression command restores the default traffic rate of unknown unicast packets that can pass through an interface.

Format

unicast-suppression { unicast-pct | packets packets-per-second }

undo unicast-suppression

Parameters

Parameter	Description	Value
unicast-pct	Specifies maximum percentage of unknown unicast traffic on an Ethernet interface.	The value ranges from 0 to 100. The default value is 100. By default, unknown unicast traffic is not suppressed on interfaces.
packets packets-per-second	Specifies the maximum number of unknown unicast packets allowed to pass through an interface per second.	The value of packets-per-second is an integer.

Views

Eth-Trunk interface view

Default Level

2: Configuration level

Usage Guidelines

When the traffic rate of unknown unicast packets exceeds the maximum value, the system discards excess unknown unicast packets to control the traffic rate and ensure normal operation of network services.

Example

# Set the maximum percentage of unknown unicast traffic to 20% of interface bandwidth on Eth-Trunk1.

<HUAWEI> system-view

[HUAWEI] interface eth-trunk1

[HUAWEI-Eth-Trunk1] unicast-suppression 20