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Hi, David.

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This might have that here.

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In this first section, we have to speak about the different types of traffic that we have on the network.

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And then I'm going to show you also the components of multicast, something to think of, like ICMP,

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ICMP snooping and the routing protocol for multicast, which is PIM.

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So I'm going to explain to you about all those scenarios, just explanation, because I want you first

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to understand about the multicast to do an introduction before we start doing the labs.

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Because if we do the labs without having the theory behind that, then it's not going to be very clear

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for you.

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So this is all what we are going to do in this first section.

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If you are ready, let's go directly to the explanation to understand about all those information.

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And then after that and the upcoming sections, I will start doing labs.

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So see you in the upcoming lecture.