DOCS-IF31-MIB :: docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DOCS-IF31-MIB › docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers

docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers

Module: DOCS-IF31-MIB

OID (symbolic): DOCS-IF31-MIB::docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers

OID (numeric): 1.3.6.1.4.1.4491.2.1.28.1.23.1.15

Node type: OBJECT-TYPE

Type: Unsigned32

Access: read-only

Description: This attribute is the maximum number of subcarriers for initial ranging.

What is docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers?

Reports the maximum number of subcarriers allocated for initial ranging on this OFDMA upstream channel. This is a configuration detail admins mainly check alongside docsIf31CmtsUsOfdmaChanInitRngGuardband and docsIf31CmtsUsOfdmaChanInitRngPreambleLen when verifying or troubleshooting a channel's initial-ranging-region configuration.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.28.1.23.1.15
snmpwalk -v2c -c public <target> DOCS-IF31-MIB::docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.28.1.23.1.15.1
snmpget -v2c -c public <target> DOCS-IF31-MIB::docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers.1

Start monitoring DOCSIS 3.1 cable modem/CMTS-CCAP (OFDM/OFDMA channels, vendor-neutral CableLabs standard) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DOCS-IF31-MIB::docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers OID value, configure state conditions and alerts, and monitor any DOCSIS 3.1 cable modem/CMTS-CCAP (OFDM/OFDMA channels, vendor-neutral CableLabs standard) from a single console.

OID Breakdown

Upper-level ancestors (9 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
Numeric OIDNameModule
1.3.6.1.4.1.4491.2.1.28docsIf31MibDOCS-IF31-MIB
1.3.6.1.4.1.4491.2.1.28.1docsIf31MibObjectsDOCS-IF31-MIB
1.3.6.1.4.1.4491.2.1.28.1.23docsIf31CmtsUsOfdmaChanTableDOCS-IF31-MIB
1.3.6.1.4.1.4491.2.1.28.1.23.1docsIf31CmtsUsOfdmaChanEntryDOCS-IF31-MIB
1.3.6.1.4.1.4491.2.1.28.1.23.1.15docsIf31CmtsUsOfdmaChanInitRngNumSubcarriersDOCS-IF31-MIB