Igmp Snooping Configuration; Enabling Igmp Snooping - H3C S3100 Series Operation Manual

H3c s3100 series ethernet switches operation manual

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If any IGMP report in response to the group-specific query arrives to the member port before its

aging timer expires, this means that some other members of that multicast group still exist under

that port: the switch resets the aging timer of the member port.

If no IGMP report in response to the group-specific query arrives to the member port before its

aging timer expires as a response to the IGMP group-specific query, this means that no members

of that multicast group still exist under the port: the switch deletes the forwarding entry

corresponding to the port from the forwarding table when the aging timer expires.

After an Ethernet switch enables IGMP Snooping, when it receives the IGMP leave message sent by a

host in a multicast group, it judges whether the multicast group exists automatically. If the multicast

group does not exist, the switch drops this IGMP leave message.

IGMP Snooping Configuration

The following table lists all the IGMP Snooping configuration tasks:

Table 2-2 IGMP Snooping configuration tasks

Configuring the Version of IGMP Snooping

Configuring Timers

Configuring Fast Leave Processing

Configuring a Multicast Group Filter

Configuring the Maximum Number of Multicast Groups on a Port

Configuring IGMP Snooping Querier

Suppressing Flooding of Unknown Multicast Traffic in a VLAN

Configuring Static Member Port for a Multicast Group

Configuring a Static Router Port

Configuring a Port as a Simulated Group Member

Configuring a VLAN Tag for Query Messages

Configuring Multicast VLAN

Enabling IGMP Snooping

Table 2-3 Enable IGMP Snooping

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