DOCS-IF3-MIB :: docsIf3CmSpectrumAnalysisCtrlCmdNumberOfAverages

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsDOCS-IF3-MIBdocsIf3CmSpectrumAnalysisCtrlCmdNumberOfAverages

docsIf3CmSpectrumAnalysisCtrlCmdNumberOfAverages

Module: DOCS-IF3-MIB

OID (symbolic): DOCS-IF3-MIB::docsIf3CmSpectrumAnalysisCtrlCmdNumberOfAverages

OID (numeric): 1.3.6.1.4.1.4491.2.1.20.1.34.9

Node type: OBJECT-TYPE

Type: Unsigned32

Access: read-write

Description: This attribute controls the number of averages that will be performed on spectral bins. The average will be computed using the 'leaky integrator' method, where: reported bin value = alpha*accumulated bin values + (1-alpha)*current bin value.

Alpha is one minus the reciprocal of the number of averages. For example, if N=25, then alpha = 0.96. A value of 1 indicates no averaging. Re-writing the number of averages will restart the averaging process. If there are no accumulated values, the accumulators are made equal to the first measured bin amplitudes.

If an attempt is made to set the attribute to an unsupported number of averages, an error will be returned.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.20.1.34.9
snmpwalk -v2c -c public <target> DOCS-IF3-MIB::docsIf3CmSpectrumAnalysisCtrlCmdNumberOfAverages

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.20.1.34.9.1
snmpget -v2c -c public <target> DOCS-IF3-MIB::docsIf3CmSpectrumAnalysisCtrlCmdNumberOfAverages.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.4491.2.1.20.1.34.9.1 i <value>

Start monitoring DOCSIS 3.0 cable modem/CMTS (channel bonding, vendor-neutral CableLabs standard) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DOCS-IF3-MIB::docsIf3CmSpectrumAnalysisCtrlCmdNumberOfAverages OID value, configure state conditions and alerts, and monitor any DOCSIS 3.0 cable modem/CMTS (channel bonding, vendor-neutral CableLabs standard) from a single console.

OID Breakdown

Upper-level ancestors (10 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
1.3.6.1.4.1.4491cableLabsCLAB-DEF-MIB
1.3.6.1.4.1.4491.2clabProjectCLAB-DEF-MIB
1.3.6.1.4.1.4491.2.1clabProjDocsisCLAB-DEF-MIB
1.3.6.1.4.1.4491.2.1.20docsIf3MibCLAB-DEF-MIB
Numeric OIDNameModule
1.3.6.1.4.1.4491.2.1.20.1docsIf3MibObjectsDOCS-IF3-MIB
1.3.6.1.4.1.4491.2.1.20.1.34docsIf3CmSpectrumAnalysisCtrlCmdDOCS-IF3-MIB
1.3.6.1.4.1.4491.2.1.20.1.34.9docsIf3CmSpectrumAnalysisCtrlCmdNumberOfAveragesDOCS-IF3-MIB