From the course: Cisco Certified Network Associate (CCNA) v1.1 (200-301) Cert Prep

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IPv6 multicast

IPv6 multicast

From the course: Cisco Certified Network Associate (CCNA) v1.1 (200-301) Cert Prep

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IPv6 multicast

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(bright music) - [Instructor] Let's consider the format of an IPv6 Multicast address in this video. Remember that a multicast address is going to be the recipient of packets. It's never going to be the source. We don't assign a multicast address to a PC, for example. It's a destination only. And in this case, let's say that PC 1 and PC 2, they want to receive traffic from the same video server in our example. What they could do, is they could join a multicast group. Let's say that the multicast group happened to be FF04::10. When the video server sent traffic to that destination multicast group, it would be replicated only to PCs 1 and 2, but not to PC 3. But how do we look at an IPv6 address and say, "Yes, that is a multicast address?" Well, it's really easy with multicast, because the first eight bits are all ones. Remember that a hexadecimal digit is made up of four binary bits called a nibble. Well, we have two nibbles that are all ones, and 1111 in hex, that's going to be an F…

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