DOCS-IF31-MIB :: docsIf31CmSystemCfgStateDiplexerCapability

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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docsIf31CmSystemCfgStateDiplexerCapability

Module: DOCS-IF31-MIB

OID (symbolic): DOCS-IF31-MIB::docsIf31CmSystemCfgStateDiplexerCapability

OID (numeric): 1.3.6.1.4.1.4491.2.1.28.1.18.1

Node type: OBJECT-TYPE

Type: Unsigned32

Access: read-only

Description: This attribute specifies the maximum diplexer upstream upper band edge supported by the CM device. This corresponds to the maximum capability reported by the CM in the Diplexer Upstream Upper Band Edge modem capability.

What is docsIf31CmSystemCfgStateDiplexerCapability?

Reports, per the DOCSIS 3.1 MULPI spec, the maximum upstream upper band edge frequency this cable modem's diplexer filter is capable of supporting, as advertised by the modem's own hardware capability. Admins use this to check the ceiling of a modem's upstream spectrum capability (relevant for extended-spectrum DOCSIS 3.1 deployments) independent of what the CMTS has actually configured for it -- see docsIf31CmSystemCfgStateDiplexerCfgBandEdge for the active configured value.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.28.1.18.1
snmpwalk -v2c -c public <target> DOCS-IF31-MIB::docsIf31CmSystemCfgStateDiplexerCapability

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.28.1.18.1.1
snmpget -v2c -c public <target> DOCS-IF31-MIB::docsIf31CmSystemCfgStateDiplexerCapability.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::docsIf31CmSystemCfgStateDiplexerCapability 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
1.3.6.1.4.1.4491.2.1.28.1.18docsIf31CmSystemCfgStateDOCS-IF31-MIB
1.3.6.1.4.1.4491.2.1.28.1.18.1docsIf31CmSystemCfgStateDiplexerCapabilityDOCS-IF31-MIB