RC-IGMP-MIB :: rcIgmpInterfaceExtnDynamicDowngradeEnable

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

All MIBs › RC-IGMP-MIB › rcIgmpInterfaceExtnDynamicDowngradeEnable

rcIgmpInterfaceExtnDynamicDowngradeEnable

Module: RC-IGMP-MIB

OID (symbolic): RC-IGMP-MIB::rcIgmpInterfaceExtnDynamicDowngradeEnable

OID (numeric): 1.3.6.1.4.1.2272.1.30.1.1.30

Node type: OBJECT-TYPE

Type: TruthValue

Access: read-write

Description: enable dynamic downgrade the IGMP version when older version query message was received.

What is rcIgmpInterfaceExtnDynamicDowngradeEnable?

Enables automatically downgrading this interface's operational IGMP version when it hears a query using an older IGMP version, so it stays compatible with a router or querier that only speaks that older version.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2272.1.30.1.1.30
snmpwalk -v2c -c public <target> RC-IGMP-MIB::rcIgmpInterfaceExtnDynamicDowngradeEnable

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2272.1.30.1.1.30.1
snmpget -v2c -c public <target> RC-IGMP-MIB::rcIgmpInterfaceExtnDynamicDowngradeEnable.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.2272.1.30.1.1.30.1 s <value>

Start monitoring Bay Networks/Nortel Accelar-series Layer 3 switches (IGMP snooping/querier configuration) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the RC-IGMP-MIB::rcIgmpInterfaceExtnDynamicDowngradeEnable OID value, configure state conditions and alerts, and monitor any Bay Networks/Nortel Accelar-series Layer 3 switches (IGMP snooping/querier configuration) from a single console.

OID Breakdown

Upper-level ancestors (11 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
1.3.6.1.4.1.2272rapidCityRAPID-CITY
1.3.6.1.4.1.2272.1rcMgmtRAPID-CITY
1.3.6.1.4.1.2272.1.30rcIgmpRAPID-CITY
1.3.6.1.4.1.2272.1.30.1rcIgmpInterfaceExtnTableRAPID-CITY
1.3.6.1.4.1.2272.1.30.1.1rcIgmpInterfaceExtnEntryRAPID-CITY
Numeric OIDNameModule
1.3.6.1.4.1.2272.1.30.1.1.30rcIgmpInterfaceExtnDynamicDowngradeEnableRC-IGMP-MIB