Netgear FS526Tv2 - 24-Port Smart Switch with Gigabit Ports Guia Do Utilizador

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Configure Multicast
108
ProSAFE FS526Tv2, FS726Tv2, and FS728TLP Smart Switches 
2.
Configure the settings as described in the following table.
Setting
Description
IGMP Snooping Status
Specify the IGMP snooping status:
Enable. The smart switch snoops all IGMP packets that it receives to 
determine which segments should receive packets directed to the group 
address.
Disable. The smart switch does not snoop IGMP packets. This is the 
default setting.
Validate IGMP IP header
Specify whether the IGMP IP header is validated:
Enable. The smart switch checks the IP header of all IGMP messages for 
the Router Alert option, ToS, and TTL. If any of the options are not present 
or set incorrectly, the packet is dropped.
Disable. The smart switch does not check the IGMP IP header for the 
Router Alert option, ToS, and TTL.
Block Unknown Multicast 
Address
Specify whether unknown multicast addresses are blocked:
Enable. The smart switch drops packets with an unknown multicast MAC 
address in the destination field.
Disable. The smart switch processes packets with an unknown multicast 
MAC address in the destination field.
3.
Click the Apply button.
The settings are saved. 
The following table describes the global IGMP snooping status and statistics fields that 
are shown on the screen.
Field
Description
Multicast Control Frame 
Count
The number of multicast control frames that the smart switch processed.
Interfaces Enabled for IGMP 
Snooping
The ports that are enabled for IGMP snooping. For information about how to 
enable ports for IGMP snooping, see 
VLAN Ids Enabled for IGMP 
Snooping
The VLANs that are enabled for IGMP snooping. For information about how 
to enable VLANs for IGMP snooping, see 
115.
VLAN Ids Enabled for IGMP 
Snooping Querier
The VLANs that are enabled for the IGMP snooping querier. For information 
about how to enable VLANs for the IGMP snooping querier, see 
122.
Configure IGMP for Individual Ports and LAGs
Use the IGMP Snooping Interface Configuration screen to configure IGMP snooping options 
for specific ports. When you limit multicast traffic to specific ports on the smart switch, the 
traffic is prevented from flooding network areas where it is not needed.