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GS700TR Smart Switch Software Administration Manual
Configuring Switching Information 3-45
v1.0, May, 2008
Configuring IGMP Snooping Queriers
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 folder contains links to the following features:
• “IGMP Snooping Querier Configuration” on page 3-45
• “IGMP Snooping Querier VLAN Configuration” on page 3-46
• “IGMP Snooping Querier VLAN Status” on page 3-48
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 related parameters.
To access this page:
1. Click Switching > Multicast > IGMP Snooping Querier > IGMP Snooping > Querier
Configuration in the navigation tree.
Figure 3-32