Transition Networks |
6.22IGMP Configuration
The Internet Group Management Protocol (IGMP) is an internal protocol of the Internet Protocol (IP) suite. IP manages multicast traffic by using switches, routers, and hosts that support IGMP. Enabling IGMP allows the ports to detect IGMP queries, report packets, and manage IP multicast traffic through the switch. IGMP have three fundamental types of message shown as follows:
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| Message | Description |
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| A message sent from the querier (IGMP router or switch) |
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| Query | asking for a response from each host belonging to the |
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| multicast group. |
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| A message sent by a host to the querier to indicate that the |
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| Report | host wants to be or is a member of a given group indicated |
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| in the report message. |
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| Leave | A message sent by a host to the querier to indicate that the |
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| Group | host has quit being a member of a specific multicast group. |
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The switch support IP multicast, you can enable IGMP protocol on web management’s switch setting advanced page, then the IGMP snooping information displays. IP multicast addresses range are from 224.0.0.0 through 239.255.255.255.
IGMP Protocol: enable or disable the IGMP protocol.
IGMP Query: enable or disable the IGMP query function. The IGMP query information will be displayed in IGMP status section.
Click Apply 
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