ZyXEL Communications MES-3528 -, User Manual

Page: 239 / 364

Chapter 26 IP Source Guard
MES-3528 User’s Guide
239
26.6 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 124 ARP Inspection Status
The following table describes the labels in this screen.
Table 77 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).
Reason This field displays the reason the ARP packet was discarded.
MAC+VLAN: The MAC address and VLAN ID were not in the binding
table.
IP: The MAC address and VLAN ID were in the binding table, but the
IP address was not valid.
Port: The MAC address, VLAN ID, and IP address were in the binding
table, but the port number was not valid.
Delete Select this, and click Delete to remove the specified entry.