Netgear GS728TXS GS728TXS/GS752TXS Software Administration Manual - Page 134

Enable, Disable, Apply, The IGMP IP header is not checked for Router Alert option.

Page 134 highlights

GS752TXS and GS728TXS Smart Switches 2. Enable or disable IGMP Snooping on the switch: • Enable. The switch snoops all IGMP packets it receives to determine which segments should receive packets directed to the group address. • Disable. The switch does not snoop IGMP packets. 3. Select whether to validate the IGMP IP header. • Enable. The switch checks the IP header of all IGMP messages for the Router Alert option. If the option is not present, the packet is dropped. • Disable. The IGMP IP header is not checked for Router Alert option. 4. Click Apply. The following table displays information about the global IGMP snooping status and statistics on the screen. Field Description Multicast Control Frame Count Displays the number of multicast control frames that have been processed by the CPU. Interfaces Enabled for IGMP Lists the interfaces currently enabled for IGMP Snooping. To enable Snooping interfaces for IGMP snooping, see IGMP Snooping Interface Configuration on page 135. VLAN Ids Enabled For IGMP Displays VLAN IDs enabled for IGMP snooping. To enable VLANs for Snooping IGMP snooping, see IGMP Snooping VLAN Configuration on page 137. VLAN Ids Enabled For IGMP Displays VLAN IDs enabled for IGMP snooping querier. Snooping Querier 134

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134
GS752TXS and GS728TXS Smart Switches
2.
Enable or disable IGMP Snooping on the switch:
Enable
. The switch snoops all IGMP packets it receives to determine which
segments should receive packets directed to the group address.
Disable
. The switch does not snoop IGMP packets.
3.
Select whether to validate the IGMP IP header.
Enable
. The switch checks the IP header of all IGMP messages for the Router Alert
option. If the option is not present, the packet is dropped.
Disable
. The IGMP IP header is not checked for Router Alert option.
4.
Click
Apply
.
The following table displays information about the global IGMP snooping status and statistics
on the screen.
Field
Description
Multicast Control Frame
Count
Displays the number of multicast control frames that have been
processed by the CPU.
Interfaces Enabled for IGMP
Snooping
Lists the interfaces currently enabled for IGMP Snooping. To enable
interfaces for IGMP snooping, see
IGMP Snooping Interface
Configuration
on page 135.
VLAN Ids Enabled For IGMP
Snooping
Displays VLAN IDs enabled for IGMP snooping. To enable VLANs for
IGMP snooping, see
IGMP Snooping VLAN Configuration
on page 137.
VLAN Ids Enabled For IGMP
Snooping Querier
Displays VLAN IDs enabled for IGMP snooping querier.