Give me a D. Give me a A. Give me an I. What do you get?
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Dynamic ARP Inspection.
The way to spoof or trick a network based on bogus ARP
messages is a huge problem.
And that's why there is a benefit
of having a device like a catalyst switch that
can support the function of protecting
against those types of attacks.
So what you and I get to do in this set of videos,
is we are going to understand, configure, and verify
this feature called Dynamic ARP Inspection, WEBVTT X-TIMESTAMP-MAP=LOCAL:00:00:00.000,MPEGTS:900000
this feature called Dynamic ARP Inspection,
to protect our networks against bogus and malicious ARP
messages.
Let's begin.