IGMP has three fundamental types of messages:

Message

Description

 

A message sent from the querier (IGMP router or switch)

Query

asking for a response from each host belonging to the

 

multicast group.

 

A message sent by a host to the querier to indicate that the

Report

host wants to be or is a member of a given group indicated in

 

the report message.

Leave Group

A message sent by a host to the querier to indicate that the

host has quit to be a member of a specific multicast group.

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Milan Technology MIL-SME801GLX, MIL-SME801P, MIL-SME801GSX manual Igmp has three fundamental types of messages