H3C S3100-52P Operation Manual page 479

Operation Manual – ARP
H3C S3100-52P Ethernet Switch
Enter Ethernet port view
Specify the current port as
a trusted port
Quit to system view
Enter VLAN view
Enable the ARP attack
detection function
Quit to system view
Enter Ethernet port view
Configure the port as an
ARP trusted port
Quit to system view
Enter VLAN view
Enable ARP restricted
forwarding
To do...
interface interface-type
interface-number
dhcp-snooping trust
quit
vlan vlan-id
arp detection enable
quit
interface interface-type
interface-number
arp detection trust
quit
vlan vlan-id
arp
restricted-forwarding
enable
Use the command...
1-8
Chapter 1 ARP Configuration
Remarks
—
Required
By default, after DHCP
snooping is enabled, all
ports of a switch are
untrusted ports.
—
—
Required
By default, ARP attack
detection is disabled on all
ports.
—
—
Optional
By default, a port is an
untrusted port.
—
—
Optional
Disabled by default.
The device forwards legal
ARP packets through all
its ports.