HP 1920 Gigabit Ethernet Switch Series User Manual page 264

Figure 226 ARP detection configuration page
2. Configure ARP detection as described in
3. Click Apply.
Table 82 Configuration items
Item Description
Select VLANs on which ARP detection is to be enabled.
To add VLANs to the Enabled VLANs list, select one or multiple VLANs from the Disabled
VLAN Settings VLANs list and click the << button.
To remove VLANs from the Enabled VLANs list, select one or multiple VLANs from the list
and click the >> button.
Select trusted ports and untrusted ports.
To add ports to the Trusted Ports list, select one or multiple ports from the Untrusted Ports list
and click the << button.
Trusted Ports
To remove ports from the Trusted Ports list, select one or multiple ports from the list and click
the >> button.
Select ARP packet validity check modes:
•
•
ARP Packet
•
Validity Check
If none is selected, the system does not check the validity of ARP packets.
If both ARP packet validity check and user validity check are enabled, the system performs
the former first, and then the latter.
Discard the ARP packet whose sender MAC address is different from the source MAC
address in the Ethernet header.
Discard the ARP packet whose target MAC address is all 0s, all 1s, or inconsistent with
the destination MAC address in the Ethernet header.
Discard the ARP request whose sender IP address is all 1s or a multicast address, and
discard the ARP reply whose sender and target IP addresses are all 1s or multicast
addresses.
251
Table 82.