ZyXEL Communications GS2200 Series, User Manual

Page: 198 / 320

Chapter 25 IP Source Guard
GS2200 Series User’s Guide
198
25.6 ARP Inspection Status
Use this screen to look at the current list of MAC address filters that were created because the
Switch identified an unauthorized ARP packet. When the Switch identifies an unauthorized ARP
packet, it automatically creates a MAC address filter to block traffic from the source MAC address
and source VLAN ID of the unauthorized ARP packet. To open this screen, click Advanced
Application > IP Source Guard > ARP Inspection.
Figure 126
ARP Inspection Status
The following table describes the labels in this screen.
Apply Click Apply to save your changes to the Switch’s run-time memory. The Switch loses
these changes if it is turned off or loses power, so use the Save link on the top
navigation panel to save your changes to the non-volatile memory when you are done
configuring.
Cancel Click this to reset the values in this screen to their last-saved values.
Table 72
DHCP Snooping VLAN Configure (continued)
LABEL DESCRIPTION
Table 73
ARP Inspection Status
LABEL DESCRIPTION
Total number of
filters This field displays the current number of MAC address filters that were created because
the Switch identified unauthorized ARP packets.
Index This field displays a sequential number for each MAC address filter.
MAC Address This field displays the source MAC address in the MAC address filter.
VID This field displays the source VLAN ID in the MAC address filter.
Port This field displays the source port of the discarded ARP packet.
Expiry (sec) This field displays how long (in seconds) the MAC address filter remains in the Switch.
You can also delete the record manually (Delete).