Netgear GSM7212P GSM5212P/GSM7212P/GSM7212F/GSM7224P User Manual - Page 130

Web Management User Guide problem of wasting bandwidth is even worse when the LAN segment is not shared, for example in full-duplex links. Allowing switches to snoop IGMP packets is a creative effort to solve this problem. The switch uses the information in the IGMP packets as they are being forwarded throughout the network to determine which segments should receive packets directed to the group address. From the IGMP Snooping link, you can access the following pages: • IGMP Snooping Configuration on page 130 • IGMP Snooping Interface Configuration on page 132 • IGMP VLAN Configuration on page 133 • Multicast Router Configuration on page 135 • Multicast Router VLAN Configuration on page 135 • IGMP Snooping Querier on page 136 • IGMP Snooping Querier Configuration on page 137 • IGMP Snooping Querier VLAN Configuration on page 138 IGMP Snooping Configuration Use the IGMP Snooping Configuration page to configure the parameters for IGMP snooping, which is used to build forwarding lists for multicast traffic. Note that only a user with Read/Write access privileges may change the data on this screen. To access the IGMP Snooping Configuration page, click Switching Multicast  IGMP Snooping  Configuration. To configure IGMP Snooping: 1. Use the Admin Mode Enable/Disable radio button to select the administrative mode for IGMP Snooping for the switch. The default is disable. 130