49 AUTHORIZED ARP CONFIGURATION
COMMANDS
nThis feature is supported on Layer 3 Ethernet interfaces only.

arp authorized enable

Syntax arp authorized enable
undo arp authorized enable
View Layer 3 Ethernet interface view
Parameter None
Description Use the arp authorized enable command to enable authorized ARP on an
interface, which at the same time is enabled with authorized ARP aging detection
but disabled from learning dynamic ARP entries.
Use the undo arp authorized enable command to disable authorized ARP on
the interface, which at the same time is enabled to learn dynamic ARP entries.
By default, authorized ARP is not enabled on the interface.
Example # Enable authorized ARP on Ethernet 1/0.
<Sysname> system-view
[Sysname] interface ethernet 1/0
[Sysname-Ethernet1/0] arp authorized enable

arp authorized time-out

Syntax arp authorized time-out seconds
undo arp authorized time-out
View Layer 3 Ethernet interface view
Parameter seconds: Aging time for authorized ARP entries in seconds, in the range 30 to
86400.