CISCO-IGMP-SNOOPING-MIB :: cisIfTopoChangeFloodEnabled

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCISCO-IGMP-SNOOPING-MIBcisIfTopoChangeFloodEnabled

cisIfTopoChangeFloodEnabled

Module: CISCO-IGMP-SNOOPING-MIB

OID (symbolic): CISCO-IGMP-SNOOPING-MIB::cisIfTopoChangeFloodEnabled

OID (numeric): 1.3.6.1.4.1.9.9.263.1.5.1.1.1

Node type: OBJECT-TYPE

Type: TruthValue

Access: read-write

Description: When this object is set to 'true' multicast traffic will be flooded on the port for cisTopoChangeFloodQueryCount of Igmp General Queries upon receiving a Topology Change Notification (TCN) for the VLAN to which the port belongs.

What is cisIfTopoChangeFloodEnabled?

Controls whether, upon receiving a Topology Change Notification for the port's VLAN, multicast traffic is temporarily flooded on that port for a configured number of IGMP General Queries instead of being filtered by snooping state.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.263.1.5.1.1.1
snmpwalk -v2c -c public <target> CISCO-IGMP-SNOOPING-MIB::cisIfTopoChangeFloodEnabled

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.263.1.5.1.1.1.1
snmpget -v2c -c public <target> CISCO-IGMP-SNOOPING-MIB::cisIfTopoChangeFloodEnabled.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.9.9.263.1.5.1.1.1.1 s <value>

Start monitoring Cisco Layer 2/3 switches implementing IGMP snooping with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-IGMP-SNOOPING-MIB::cisIfTopoChangeFloodEnabled OID value, configure state conditions and alerts, and monitor any Cisco Layer 2/3 switches implementing IGMP snooping from a single console.

OID Breakdown

Upper-level ancestors (8 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.9ciscoCAT2600-MIB
1.3.6.1.4.1.9.9ciscoMgmtCISCO-SMI
Numeric OIDNameModule
1.3.6.1.4.1.9.9.263ciscoIgmpSnoopingMIBCISCO-IGMP-SNOOPING-MIB
1.3.6.1.4.1.9.9.263.1ciscoIgmpSnoopingMIBObjectCISCO-IGMP-SNOOPING-MIB
1.3.6.1.4.1.9.9.263.1.5cisIfConfigInfoCISCO-IGMP-SNOOPING-MIB
1.3.6.1.4.1.9.9.263.1.5.1cisIfConfigTableCISCO-IGMP-SNOOPING-MIB
1.3.6.1.4.1.9.9.263.1.5.1.1cisIfConfigEntryCISCO-IGMP-SNOOPING-MIB
1.3.6.1.4.1.9.9.263.1.5.1.1.1cisIfTopoChangeFloodEnabledCISCO-IGMP-SNOOPING-MIB