939
Parameters
limit-value
: Specifies the limit in the range of 2 to 1024.
Usage guidelines
If unresolvable packets received from an IP address within 5 seconds exceed the limit, the device
stops processing the packets from that IP address until the 5 seconds elapse.
Examples
# Configure the device to process a maximum of 100 unresolvable packets per source IP address
within 5 seconds.
<Sysname> system-view
[Sysname] arp source-suppression limit 100
Related commands
display arp source-suppression
display arp source-suppression
Use
display arp source-suppression
to display information about the current ARP source
suppression configuration.
Syntax
display arp source-suppression
Views
Any view
Predefined user roles
network-admin
network-operator
Examples
# Display information about the current ARP source suppression configuration.
<Sysname> display arp source-suppression
ARP source suppression is enabled
Current suppression limit: 100
Table 143 Command output
Field
Description
Current suppression limit
Maximum number of unresolvable packets that can be processed per
source IP address within 5 seconds.
Source MAC-based ARP attack detection
commands
arp source-mac
Use
arp source-mac
to enable the source MAC-based ARP attack detection feature and specify a
handling method.
Use
undo arp source-mac
to disable the source MAC-based ARP attack detection feature.