96 - RocketLinx ES7528 Industrial Managed PoE Rack Mount User Guide
: 2000509 Rev. A
IGMP Snooping
IGMP Snooping
IGMP Snooping
Use this page to enable the IGMP Snooping feature, assign IGMP Snooping for specific VLANs, and view the IGMP
Snooping table from a dynamic learnt or static that you provide. The RocketLinx ES7528 supports IGMP snooping V1/V2/V3
automatically and IGMP query V1/V2.
IGMP has three fundamental types of messages as follows:
IGMP Snooping
Description
IGMP Snooping
You can select
Enable
or
Disable
. After enabling IGMP Snooping, you can
then enable IGMP Snooping for specific VLAN.
You can
Enable
IGMP Snooping for some VLANs so that some of the
VLANs support IGMP Snooping and others will not.
To assign IGMP Snooping to VLAN, click the check box of the VLAN ID or
click the
Select All
check box for all VLANs and then click
Enable
. You can
also
Disable
IGMP Snooping for certain VLANs using the same method.
IGMP Snooping Table
This table displays the multicast group IP address, VLAN ID it belongs to,
and member ports of the multicast group. The RocketLinx ES7528 supports
256 multicast groups. Click
Reload
to refresh the table.
Message
Description
Query
A message sent from the querier (IGMP router or switch) asking for a
response from each host belonging to the multicast group.
Report
A message sent by a host to the querier to indicate that the 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 being
a member of a specific multicast group.