CISCO-STACK-MIB :: sysMacReductionOperEnable

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCISCO-STACK-MIBsysMacReductionOperEnable

sysMacReductionOperEnable

Module: CISCO-STACK-MIB

OID (symbolic): CISCO-STACK-MIB::sysMacReductionOperEnable

OID (numeric): 1.3.6.1.4.1.9.5.1.1.66

Node type: OBJECT-TYPE

Type: TruthValue

Access: read-only

Description: Indicates whether Mac Reduction feature (to reduce the number of MAC addresses used in bridge identifier) is operationaly enabled on the device or not.

If the value of this object is true(1), then the accepted values for dot1dStpPriority in BRIDGE-MIB should be multiples of 4096 plus bridge instance ID, such as VlanIndex. Changing this object value might cause the values of dot1dBaseBridgeAddress and dot1dStpPriority in BRIDGE-MIB to be changed also.

What is sysMacReductionOperEnable?

Read-only status showing whether the MAC Reduction feature is currently operationally enabled on the device.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.5.1.1.66
snmpwalk -v2c -c public <target> CISCO-STACK-MIB::sysMacReductionOperEnable

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.5.1.1.66.1
snmpget -v2c -c public <target> CISCO-STACK-MIB::sysMacReductionOperEnable.1

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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
1.3.6.1.4.1.9.5workgroupCISCO-ES-STACK-MIB
Numeric OIDNameModule
1.3.6.1.4.1.9.5.1ciscoStackMIBCISCO-STACK-MIB
1.3.6.1.4.1.9.5.1.1systemGrpCISCO-STACK-MIB
1.3.6.1.4.1.9.5.1.1.66sysMacReductionOperEnableCISCO-STACK-MIB