S350 Series 24-Port (PoE+) and 48-Port Gigabit Ethernet Smart Managed Pro Switches
Configure Switching User Manual172
IGMP Snooping Querier Overview
IGMP snooping requires that one central switch or router periodically queries 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 stops forwarding multicasts to
the port where the end device is located.
You can configure and display information about IGMP snooping queriers on the network
and, separately
, on VLANs.
Configure an IGMP Snooping Querier
You can configure the settings for an IGMP snooping querier.
To configure the settings for an IGMP snooping querier:
1. Connect your computer to the same network as the switch.
You can use a WiFi or wired connection to connect your computer to the network, or
connect directly to a switch that is off-network using an Ethernet cable.
2. Launch a web browser.
3. In the address field of your web browser, enter the IP address of the switch.
If you do not know the IP address of the switch, see
Discover or Change the Switch IP
Address on page 12.
The login window opens.
4. Enter the switch’s password in the Password field.
The default password is
password.
The System Information page displays.
5. Select Switching> Multicast > IGMP Snooping Querier > Querier Configuration.
6. Configure the following settings:
• Querier Admin Mode. Enable or disable IGMP snooping for the switch. The default is
Disable.
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