Fore-FAST-MIB :: foreFastIwfTxHdrLookupErr

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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foreFastIwfTxHdrLookupErr

Module: Fore-FAST-MIB

OID (symbolic): Fore-FAST-MIB::foreFastIwfTxHdrLookupErr

OID (numeric): 1.3.6.1.4.1.326.2.2.1.1.21.2.1.4

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: The number of cells that the FAST Packet to ATM Cells layer has discarded due to addressing errors.

What is foreFastIwfTxHdrLookupErr?

Counts cells discarded by the FAST-packet-to-ATM-cells layer specifically because of addressing, or header lookup, errors on transmit. A rising count tells an admin that outbound cells are failing address resolution, pointing to a misconfigured or stale routing or addressing entry for this interworking function. foreFastIwfTxHdrLookupErr incrementing steadily on an interface would prompt an admin to check that interface's ATM address mapping configuration.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.326.2.2.1.1.21.2.1.4
snmpwalk -v2c -c public <target> Fore-FAST-MIB::foreFastIwfTxHdrLookupErr

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.326.2.2.1.1.21.2.1.4.1
snmpget -v2c -c public <target> Fore-FAST-MIB::foreFastIwfTxHdrLookupErr.1

Start monitoring Fore Systems (later Marconi) ForeRunner ATM switch (internal FAST switch fabric) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Fore-FAST-MIB::foreFastIwfTxHdrLookupErr OID value, configure state conditions and alerts, and monitor any Fore Systems (later Marconi) ForeRunner ATM switch (internal FAST switch fabric) from a single console.

OID Breakdown

Upper-level ancestors (11 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
1.3.6.1.4.1.326foreCOMMON-GOLF-MIB
1.3.6.1.4.1.326.2systemsCOMMON-GOLF-MIB
1.3.6.1.4.1.326.2.2atmSwitchFore-Common-MIB
1.3.6.1.4.1.326.2.2.1hardwareFore-Common-MIB
1.3.6.1.4.1.326.2.2.1.1asxFore-Common-MIB
Numeric OIDNameModule
1.3.6.1.4.1.326.2.2.1.1.21foreFastGroupFore-FAST-MIB
1.3.6.1.4.1.326.2.2.1.1.21.2foreFastIwfStatsTableFore-FAST-MIB
1.3.6.1.4.1.326.2.2.1.1.21.2.1foreFastIwfStatsEntryFore-FAST-MIB
1.3.6.1.4.1.326.2.2.1.1.21.2.1.4foreFastIwfTxHdrLookupErrFore-FAST-MIB