Fore-Switch-MIB :: pShmem3CLP1LostCells

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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pShmem3CLP1LostCells

Module: Fore-Switch-MIB

OID (symbolic): Fore-Switch-MIB::pShmem3CLP1LostCells

OID (numeric): 1.3.6.1.4.1.326.2.2.1.5.7.2.1.9

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: The number of cells that were lost for this port and priority queue due to CLP=1 threshold.

What is pShmem3CLP1LostCells?

This counter accumulates the number of ATM cells dropped on a port due to exceeding the CLP=1 (Cell Loss Priority 1) threshold in shared memory pool 3. CLP=1 cells are lower-priority traffic that gets dropped first when congestion occurs. Switch operators monitor this counter to detect excessive congestion and adjust traffic shaping or admission control policies.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.326.2.2.1.5.7.2.1.9
snmpwalk -v2c -c public <target> Fore-Switch-MIB::pShmem3CLP1LostCells

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.326.2.2.1.5.7.2.1.9.1
snmpget -v2c -c public <target> Fore-Switch-MIB::pShmem3CLP1LostCells.1

Start monitoring Fore Systems (later Marconi) ForeRunner ATM switch (board/port/VPI-VCI inventory) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Fore-Switch-MIB::pShmem3CLP1LostCells OID value, configure state conditions and alerts, and monitor any Fore Systems (later Marconi) ForeRunner ATM switch (board/port/VPI-VCI inventory) from a single console.

OID Breakdown

Upper-level ancestors (10 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
Numeric OIDNameModule
1.3.6.1.4.1.326.2.2.1.5shmemFore-Switch-MIB
1.3.6.1.4.1.326.2.2.1.5.7portShmem3GroupFore-Switch-MIB
1.3.6.1.4.1.326.2.2.1.5.7.2portShmem3TableFore-Switch-MIB
1.3.6.1.4.1.326.2.2.1.5.7.2.1portShmem3EntryFore-Switch-MIB
1.3.6.1.4.1.326.2.2.1.5.7.2.1.9pShmem3CLP1LostCellsFore-Switch-MIB