Arp Inspection Status - ZyXEL Communications MGS-3712/MES-3728 User Manual

Chapter 26 IP Source Guard

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 128 ARP Inspection Status
The following table describes the labels in this screen.
Table 80 ARP Inspection Status
LABEL
Total number of filters This field displays the current number of MAC address filters that
Index
MAC Address
VID
Port
Expiry (sec)
Reason
252
DESCRIPTION
were created because the Switch identified unauthorized ARP
packets.
This field displays a sequential number for each MAC address
filter.
This field displays the source MAC address in the MAC address
filter.
This field displays the source VLAN ID in the MAC address filter.
This field displays the source port of the discarded ARP packet.
This field displays how long (in seconds) the MAC address filter
remains in the Switch. You can also delete the record manually
(Delete).
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.
MES-3728 User's Guide