CISCO-C2900-MIB :: c2900PortDuplexStatus

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCISCO-C2900-MIBc2900PortDuplexStatus

c2900PortDuplexStatus

Module: CISCO-C2900-MIB

OID (symbolic): CISCO-C2900-MIB::c2900PortDuplexStatus

OID (numeric): 1.3.6.1.4.1.9.9.87.1.4.1.1.32

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The status of duplex mode on this port.

When linkbeat is not present, halfduplex is always reported.

When linkbeat is present, the result of full duplex auto-negotiation is reported if c2900PortDuplexState is set to auto-negotiate, otherwise it reports fullduplex if c2900PortDuplexState is set to fullduplex or halfduplex if c2900PortDuplexState is set to halfduplex.

What is c2900PortDuplexStatus?

A read-only report of the port's actual duplex mode, reflecting auto-negotiation results when link is present or defaulting to half duplex when it is not.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.87.1.4.1.1.32
snmpwalk -v2c -c public <target> CISCO-C2900-MIB::c2900PortDuplexStatus

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.87.1.4.1.1.32.1
snmpget -v2c -c public <target> CISCO-C2900-MIB::c2900PortDuplexStatus.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
1.3.6.1.4.1.9.9ciscoMgmtCISCO-SMI
Numeric OIDNameModule
1.3.6.1.4.1.9.9.87ciscoC2900MIBCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1c2900MIBObjectsCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1.4c2900PortCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1.4.1c2900PortTableCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1.4.1.1c2900PortEntryCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1.4.1.1.32c2900PortDuplexStatusCISCO-C2900-MIB