Fore-Sonet-Ext-MIB :: foreSonetSectionDiagnosticsLOS

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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foreSonetSectionDiagnosticsLOS

Module: Fore-Sonet-Ext-MIB

OID (symbolic): Fore-Sonet-Ext-MIB::foreSonetSectionDiagnosticsLOS

OID (numeric): 1.3.6.1.4.1.326.2.2.1.1.14.2.3.1.5

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-write

Description: Controls the insertion of Loss of Signal (LOS) errors in the transmitted Sonet frame.

off When set to off, do not generate LOS errors. on When set to on, generate LOS errors.

What is foreSonetSectionDiagnosticsLOS?

A test-mode control that forces insertion of Loss Of Signal errors into the transmitted SONET stream: off (default) transmits normally, on generates LOS errors continuously. Admins toggle this on briefly to verify that the far-end device correctly detects and alarms on an LOS condition.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.326.2.2.1.1.14.2.3.1.5
snmpwalk -v2c -c public <target> Fore-Sonet-Ext-MIB::foreSonetSectionDiagnosticsLOS

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.326.2.2.1.1.14.2.3.1.5.1
snmpget -v2c -c public <target> Fore-Sonet-Ext-MIB::foreSonetSectionDiagnosticsLOS.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.326.2.2.1.1.14.2.3.1.5.1 i <value>

Start monitoring Fore Systems (later Marconi) ForeRunner ATM switch with SONET/SDH interfaces (extensions) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Fore-Sonet-Ext-MIB::foreSonetSectionDiagnosticsLOS OID value, configure state conditions and alerts, and monitor any Fore Systems (later Marconi) ForeRunner ATM switch with SONET/SDH interfaces (extensions) 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
1.3.6.1.4.1.326.2.2.1.1.14foreSonetMibFore-Sonet-Ext-MIB
1.3.6.1.4.1.326.2.2.1.1.14.2foreSonetSectionFore-Sonet-Ext-MIB
1.3.6.1.4.1.326.2.2.1.1.14.2.3foreSonetSectionDiagnosticsTableFore-Sonet-Ext-MIB
1.3.6.1.4.1.326.2.2.1.1.14.2.3.1foreSonetSectionDiagnosticsEntryFore-Sonet-Ext-MIB
1.3.6.1.4.1.326.2.2.1.1.14.2.3.1.5foreSonetSectionDiagnosticsLOSFore-Sonet-Ext-MIB