Chap-10 IGMP - Chapter10 Internet Group Management Protocol...

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TCP/IP Protocol Suite 1 Chapter   10 Chapter   10 Upon completion you will be able to: Internet Group Internet Group Management Protocol Management Protocol Know the purpose of IGMP Know the types of IGMP messages Understand how a member joins a group and leaves a group Understand membership monitoring Understand how an IGMP message is encapsulated Understand the interactions of the modules of an IGMP package Objectives
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TCP/IP Protocol Suite 2 Figure 10.1 Position of IGMP in the network layer
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TCP/IP Protocol Suite 3 10.1 GROUP MANAGEMENT IGMP is a protocol that manages group membership. The IGMP IGMP is a protocol that manages group membership. The IGMP protocol gives the multicast routers information about the membership protocol gives the multicast routers information about the membership status of hosts (routers) connected to the network. . status of hosts (routers) connected to the network. .
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TCP/IP Protocol Suite 4 IGMP is a group management protocol. It helps a multicast router create and update a list of loyal members related to each router interface. Note: Note:
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TCP/IP Protocol Suite 5 10.2 IGMP MESSAGES IGMP has three types of messages: the query, the membership report, IGMP has three types of messages: the query, the membership report, and the leave report. There are two types of query messages, general and and the leave report. There are two types of query messages, general and special. special. The topics discussed in this section include: The topics discussed in this section include: Message Format Message Format
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TCP/IP Protocol Suite 6 Figure 10.2 IGMP message types
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TCP/IP Protocol Suite 7 Figure 10.3 IGMP message format
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TCP/IP Protocol Suite 8 Table 10.1 Table 10.1 IGMP type field IGMP type field
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TCP/IP Protocol Suite 9 10.3 IGMP OPERATION A multicast router connected to a network has a list of multicast
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