User`s manual

TN-5516/5518 Series Featured Functions
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IGMP Snooping Settings
IGMP Snooping Enable
Setting Description Factory Default
Enable/Disable Click the checkbox to enable the IGMP Snooping function
globally.
Disabled
Query Interval
Setting Description Factory Default
Numerical value input
by user
This sets the query interval of the Querier function globally.
Valid settings are from 20 to 600 seconds.
125 seconds
IGMP Snooping Enhanced Mode
Setting Description Factory Default
Enable IGMP Multicast packets will be forwarded to:
- Auto-Learned Multicast Querier Ports
- Member Ports
Disable IGMP Multicast packets will be forwarded to:
- Auto-Learned Multicast Querier Ports
- Static Multicast Querier Ports
- Querier Connected Ports
- Member Ports
Enable
IGMP Snooping
Setting Description Factory Default
Enable/Disable This enables or disables the IGMP Snooping function per VLAN. Enabled if IGMP
Snooping Enabled
Globally
NOTE If a router or layer 3 switches is connected to the network, it will act as the Querier; thus, this
Querier option will be disabled on all Moxa layer 2 switches.
If all switches on the network are Moxa layer 2 switches, then only one layer 2 switch will act as
Querier.
Querier
Setting Description Factory Default
Enable/Disable This enables or disables the TN-5500’s querier function. Enabled if IGMP
Snooping is Enabled
Globally
Static Multicast Querier Port
Setting Description Factory Default
Select/Deselect This selects the ports that will connect to the multicast routers.
It is active only when IGMP Snooping is enabled.
Disabled