Fortinet MR1 User Manual page 493

Multicast Router Present Expiration Time - Specify the amount of time you want the switch to wait to
receive a query on an interface before removing it from the list of interfaces with multicast routers
attached. Enter a value between 0 and 3600 seconds. The default is 0 seconds. A value of zero
indicates an infinite timeout, i.e. no expiration.
Fast Leave Admin mode - Select the Fast Leave mode for the a particular interface from the pulldown
menu. The default is disable.
Command Buttons
Submit - Update the switch with the values you entered. If you want the switch to retain the new values
across a power cycle you must perform a save. You will only see this button if you have Read/Write
access privileges.
Viewing IGMP Snooping VLAN Status Page
Non-Configurable Data
VLAN ID - All Vlan Ids for which the IGMP Snooping mode is Enabled.
Admin Mode - Igmp Snooping Mode for Vlan ID.
Fast Leave Admin Mode - Fast Leave Mode for Vlan ID.
Group Membership Interval - Group Membership Interval of IGMP Snooping for the specified VLAN
ID. Valid range is 2 to 3600.
Maximum Response Time - Maximum Response Time of IGMP Snooping for the specified VLAN ID.
Valid range is 1 to 3599.Its value should be greater than group membership interval value.
Multicast Router Expiry Time - Multicast Router Expiry Time of IGMP Snooping for the specified
VLAN ID. Valid range is 0 to 3600.
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