12 arp inspection – PLANET WGSD-10020HP User Manual

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User’s Manual of WGSD-10020 Series

4.12.12 ARP Inspection

ARP Inspection is a secure feature. Several types of attacks can be launched against a host or devices connected to Layer 2

networks by "poisoning" the ARP caches. This feature is used to block such attacks. Only valid ARP requests and responses

can go through DUT. This Page provides ARP Inspection related configuration. The ARP Inspection Configuration screen in

Figure 4-12-12

appears.

Figure 4-12-12:

ARP Inspection Configuration Screen Page Screenshot

The Page includes the following fields:

Object

Description

Mode of ARP Inspection

Configuration

Enable the Global ARP Inspection or disable the Global ARP Inspection.

Port Mode Configuration

Specify ARP Inspection is enabled on which ports. Only when both Global

Mode and Port Mode on a given port are enabled, ARP Inspection is enabled

on this given port. Possible modes are:

Enabled

: Enable ARP Inspection operation.

Disabled

: Disable ARP Inspection operation.

If you want to inspect the VLAN configuration, you have to enable the setting

of "Check VLAN". The default setting of "Check VLAN" is disabled. When the

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