With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cisVlanFastLeaveEnabled
Cisco IGMP Snooping Vlan Fast Leave Enabled
1.3.6.1.4.1.9.9.263.1.4.1.1.3
This object specifies whether Fast-Leave mechanism (also known as Immediate-Leave) is to be performed by IGMP Snooping or not. When enabled, IGMP Snooping will remove the interface from the group mentioned in the IGMP Leave message received on that interface without waiting for the IGMP Group-Specific Query to timeout to determine whether there are any more hosts on that interface for that group.
Back to CISCO-IGMP-SNOOPING-MIB MIB page.
IPHost Network monitor allows you to monitor cisVlanFastLeaveEnabled on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.
