arp valid-check enable
Use arp valid-check enable to enable ARP packet source MAC address consistency check.
Use undo arp valid-check enable to disable ARP packet source MAC address consistency check.
Syntax
arp valid-check enable
undo arp valid-check enable
Default
ARP packet source MAC address consistency check is disabled.
Views
System view
Predefined user roles
network-admin
mdc-admin
Usage guidelines
Configure this feature on gateways. The gateways can filter out ARP packets whose source MAC address in the Ethernet header is different from the sender MAC address in the message body.
Examples
# Enable ARP packet source MAC address consistency check.
<Sysname> system-view [Sysname] arp valid-check enable