Authorized Arp Commands; Arp Authorized Enable - H3C MSR Series Command Reference Manual

Use undo arp active-ack enable to disable the ARP active acknowledgement feature.
Syntax
arp active-ack [ strict ] enable
undo arp active-ack [ strict ] enable
Default
The ARP active acknowledgement feature is disabled.
Views
System view
Predefined user roles
network-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 learns an entry only when ARP active acknowledgement is successful
based on the correct ARP resolution.
Examples
# Enable the ARP active acknowledgement feature.
<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 disable authorized ARP on an interface.
Syntax
arp authorized enable
undo arp authorized enable
Default
Authorized ARP is disabled on the interface.
Views
Layer 3 Ethernet interface/subinterface view
Layer 3 aggregate interface/subinterface view
VLAN interface view
Predefined user roles
network-admin
Examples
# Enable authorized ARP on GigabitEthernet 1/0/1.
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