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Lectures notes for 2010 - KTH

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How does IGMP fit into the protocol stack<br />

ICMP<br />

IPv4<br />

IGMP<br />

Demux on<br />

protocol value<br />

in IP header<br />

ARP<br />

Driver<br />

RARP<br />

Demux on<br />

Frame type and/or IP version<br />

incoming frame - accepted by matching<br />

address or multicast address<br />

Figure 6: IGMP - adapted from earlier figure (See “Demultiplexing” on page 41.)<br />

So it used IP packets with a protocol value of 2.<br />

Maguire How does IGMP fit into the protocol stack 8: 20 of 78<br />

maguire@kth.se <strong>2010</strong>.03.21 Internetworking/Internetteknik

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