144
GS728TS, GS728TPS, GS752TS, and GS752TPS Gigabit Smart Switches
3. To disable IGMP snooping on a VLAN and remove it from the list, select the check box next
to the VLAN ID and click Delete.
4. To modify IGMP snooping settings for a VLAN, select the check box next to the VLAN ID,
update the desired values, and click Apply.
IGMP Snooping Querier
IGMP snooping requires that one central switch or router periodically query all end-devices
on the network to announce their multicast memberships. This central device is the IGMP
querier. The IGMP query responses, known as IGMP reports, keep the switch updated with
the current multicast group membership on a port-by-port basis. If the switch does not
receive updated membership information in a timely fashion, it will stop forwarding multicasts
to the port where the end device is located.
These pages enable you to configure and display information on IGMP snooping queriers on
the network and, separately, on VLANs.
The IGMP Snooping Querier feature contains links to the following pages:
• IGMP Snooping Querier Configuration on page 144
• IGMP Snooping Querier VLAN Configuration on page 145
• IGMP Snooping Querier VLAN Status on page 146
IGMP Snooping Querier Configuration
Use this page to enable or disable the IGMP Snooping Querier feature, specify the IP
address of the router to perform the querying, and configure the related parameters.
To access this page, click Switchingï€ > Multicast > IGMP Snooping Querier > IGMP
Snooping > Querier Configuration.
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