Zyxel GS2200-24 Руководство пользователя онлайн [204/332] 810932

Chapter 25 IP Source Guard

GS2200-8/24 User’s Guide

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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).