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