Configure Igmp Snooping Querier - NETGEAR M4100 Series User Manual

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To configure IGMP snooping for a multicast router VLAN:
1. Prepare your computer with a static IP address in the 169.254.100.0 subnet, for
example, 169.254.100.201.
2. Connect an Ethernet cable from an Ethernet port on your computer to an Ethernet port on
the switch.
3. Launch a web browser.
4. Enter the IP address of the switch in the web browser address field.
The default IP address of the switch is 169.254.100.100.
The Login screen displays.
5. Enter the user name and password.
The default admin user name is admin and the default admin password is blank, that is,
do not enter a password.
6. Click the Login button.
The web management interface menu displays.
7. Select Switching
8. Select one or more Interface check boxes.
9. In the VLAN ID list, select Enabled or Disabled.
10. In the Multicast Router list, select Enabled or Disabled for the VLAN ID.

Configure 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 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.
M4100 Series Managed Switch
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Multicast IGMP Snooping
Configure Switching Information
170
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Multicast Router VLAN Configuration.