HP FlexNetwork NJ5000 User Manual page 215

Figure 203 ARP detection configuration page
Configure ARP detection as described in
2.
Click Apply.
3.
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
VLAN Settings Disabled 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
Trusted Ports Ports list and click the << button.
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.
203
Table 82.