1-11
If ARP attack detection is disabled, the statistics of ARP trusted port state and discarded invalid ARP
packets will not be displayed.
Note that among S3100 series switches, only S3100-EI series switches support the command.
Examples
# Display ARP detection statistics on Ethernet 1/0/10.
<Sysname> display arp detection statistics interface ethernet1/0/10
ARP DETECTION : ENABLE
ARP PORT TRUST : DISABLE
INVALID ARP PACKETS : 31
Table 1-2 Description on the fields of the display arp detection statistics interface command
Field Description
ARP DETECTION ARP attack detection state: enabled/disabled
ARP PORT TRUST ARP trusted port state: enabled/disabled
INVALID ARP PACKETS
Number of discarded invalid ARP packets (those failed to pass
ARP attack detection)
display arp timer aging
Syntax
display arp timer aging
View
Any view
Parameters
None
Description
Use the display arp timer aging command to display the setting of the ARP aging time.
Related commands: arp timer aging.
Examples
# Display the setting of the ARP aging time.
<Sysname> display arp timer aging
Current ARP aging time is 20 minute(s)(default)
The displayed information shows that the ARP aging time is set to 20 minutes.
gratuitous-arp-learning enable
Syntax
gratuitous-arp-learning enable
undo gratuitous-arp-learning enable
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