R211x-HP Flexfabric 11900 Security Command Reference

Table Of Contents
312
ARP active acknowledgement commands
arp active-ack enable
Use arp active-ack enable to enable the ARP active acknowledgement function.
Use undo arp active-ack enable to restore the default.
Syntax
arp active-ack [ strict ] enable
undo arp active-ack [ strict ] enable
Default
The ARP active acknowledgement function is disabled.
Views
System view
Predefined user roles
network-admin
mdc-admin
Parameters
Strict: Enables strict mode for ARP active acknowledgement.
Usage guidelines
Configure this feature on gateways to prevent user spoofing.
In strict mode, a gateway can learn an entry only when ARP active acknowledgement is successful based
on the correct ARP resolution.
Examples
# Enable the ARP active acknowledgement function.
<Sysname> system-view
[Sysname] arp active-ack enable
Authorized ARP commands
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 disabled on the interface.