User Documentation
User Manual Managed Switches 
100 
IGMP Snooping Enable 
Setting 
Description 
Factory 
Default 
Enable/Disable 
Checkmark the IGMP Snooping Enable checkbox to 
enable the IGMP Snooping function globally. 
Disabled 
Query Interval 
Setting 
Description 
Factory 
Default 
Numerical value, 
input by the user 
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 
Disable 
IGMP Multicast packets will be forwarded to: 
•  Auto-Learned Multicast Router Ports 
•  Static Multicast Querier Ports 
•  Querier Connected Ports 
•  Member Ports 
IGMP Snooping 
Setting 
Description 
Factory 
Default 
Enable/Disable 
Enables or disables the IGMP Snooping function on 
that particular VLAN. 
Enabled if 
IGMP 
Snooping is 
enabled 
globally 
NOTE: We suggest the following IGMP Snooping configuration settings: 
When the network is mixed with third party switches, such as Cisco: 
•  “IGMP Snooping Enable”  Enable 
•  “IGMP Snooping Enhanced Mode”  Disable 
When the network consists entirely of Weidmüller switches: 
•  “IGMP Snooping Enable”  Disable 
•  “IGMP Snooping Enhanced Mode”  Enable 










