ZyXEL Communications XGS2220 Series, Руководство пользователя

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Chapter 75 ARP Inspection
XGS2220 Series User’s Guide
500
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HAPTER
75
ARP Inspection
75.1 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
SECURITY > IPv4 Source Guard > ARP
Inspection > ARP Insp. Status .
Figure 366 SECURITY > IPv4 Source Guard > ARP Inspection > ARP Insp. Status
The following table describes the labels in this screen.
Table 286 SECURITY > IPv4 Source Guard > ARP Inspection > ARP Insp. Status
LABEL DESCRIPTION
Total Number of
Bindings 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 ).
Select an entry’s check box to select a specific entry. Otherwise, select the check box in the
table heading row to select all entries.
Delete Click this to remove the selected entries.
Cancel Click this to clear the Delete check boxes above.