arp source-suppression limit

Syntax

arp source-suppression limit limit-value

undo arp source-suppression limit

View

System view

Default level

2: System level

Parameters

limit-value: Specifies the maximum number of packets with the same source IP address but unresolvable destination IP addresses that the device can receive in 5 seconds. It is in the range of 2 to 1024.

Description

Use arp source-suppression limit to set the maximum number of packets with the same source IP address but unresolvable destination IP addresses that the device can receive in 5 seconds.

Use undo arp source-suppression limit to restore the default value, which is 10.

With this feature configured, whenever the number of packets with unresolvable destination IP addresses from a host within 5 seconds exceeds the specified threshold, the device suppresses the sending host from triggering any ARP requests within the following 5 seconds.

Related commands: display arp source-suppression.

Examples

# Set the maximum number of packets with the same source address but unresolvable destination IP addresses that the device can receive in 5 seconds to 100.

<Sysname> system-view
[Sysname] arp source-suppression limit 100