Clicking on VLAN > IGMP tab helps you to change the network settings.
You can edit the following options from this tab:
VLAN ID (the number range is from 1 to 4094)
Enable/Disable
Enable/Disable Fast Leave
Version of IGMP
Enable/Disable Quierier Interval
Interval
Max Response Interval (The range is 0-25)
Startup Query Counter (The range is 2-5)
Startup Query Interval (The range is 15-150)
Static Ports (The range is 1-10)
Forbidden Ports (The range is 1-10)