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4.9.8 Dynamic ARP Inspection
Dynamic ARP Inspection (DAI) 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.
A Dynamic ARP prevents the untrust ARP packets based on the DHCP Snooping Database.
4.9.8.1 Global Setting
DAI Setting and Information screens in
The page includes the following fields:
Object
DAI
Buttons
: Click to apply changes.
The page includes the following fields:
Object
DAI
Figure 4-9-50
&
Figure 4-9-51
Figure 4-9-50 DAI Setting page screenshot
Description
Enable the Global Dynamic ARP Inspection or disable the Global ARP Inspection.
Figure 4-9-51 DAI Information page screenshot
Description
Display the current DAI status.
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