461
Syntax
arp anti-attack active-ack enable
undo arp anti-attack active-ack enable
Default
The ARP active acknowledgement function is disabled.
Views
System view
Default command level
2: System level
Usage guidelines
This feature is configured on gateway devices to identify invalid ARP packets.
Examples
# Enable the ARP active acknowledgement function.
<Sysname> system-view
[Sysname] arp anti-attack active-ack enable
Authorized ARP configuration commands
NOTE:
This feature is supported only on Layer 3 Ethernet interfaces.
arp authorized enable
Use
arp authorized enable
to enable authorized ARP on an interface.
Use
undo arp authorized enable
to restore the default.
Syntax
arp authorized enable
undo arp authorized enable
Default
Authorized ARP is not enabled on the interface.
Views
Layer 3 Ethernet interface view
Default command level
2: System level
Examples
# Enable authorized ARP on GigabitEthernet 3/0/1.
<Sysname> system-view
[Sysname] interface gigabitethernet 3/0/1
[Sysname-GigabitEthernet3/0/1] arp authorized enable