MODULES-MIB :: fethPortFCSErrors

MIB Reference — IPNetwork Monitor · Updated October 02, 2026

All MIBs › MODULES-MIB › fethPortFCSErrors

fethPortFCSErrors

Module: MODULES-MIB

OID (symbolic): MODULES-MIB::fethPortFCSErrors

OID (numeric): 1.3.6.1.4.1.81.12.6.1.1.1.17

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: This counter is incremented by one for each frame received on this port with the FCSError signal asserted and the FramingError and CollisionEvent signals deasserted and whose OctetCount is greater than or equal to minFrameSize and less than or equal to maxFrameSize (Ref: 4.4.2.1, IEEE 802.3 Std). REFERENCE Reference IEEE Draft Std 802.3u/D4 Rptr Mgt, 30.4.3.1.6, aFrameCheckSequenceErrors. Reference IETF 100Base-T Repeater MIB, rptr100MonitorPortFCSErrors.

What is fethPortFCSErrors?

Counts legal-length frames received on this fast-Ethernet port that failed the CRC check without a framing or collision error also being present; a rising count typically indicates a marginal cable or connector on the link feeding this specific port.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.81.12.6.1.1.1.17
snmpwalk -v2c -c public <target> MODULES-MIB::fethPortFCSErrors

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.81.12.6.1.1.1.17.1
snmpget -v2c -c public <target> MODULES-MIB::fethPortFCSErrors.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
1.3.6.1.4.1.81lannetGEN-MIB
1.3.6.1.4.1.81.12ethLANNET-MIB
Numeric OIDNameModule
1.3.6.1.4.1.81.12.6fethMODULES-MIB
1.3.6.1.4.1.81.12.6.1fethPortMODULES-MIB
1.3.6.1.4.1.81.12.6.1.1fethPortTableMODULES-MIB
1.3.6.1.4.1.81.12.6.1.1.1fethPortEntryMODULES-MIB
1.3.6.1.4.1.81.12.6.1.1.1.17fethPortFCSErrorsMODULES-MIB