SL-SONET-APS-MIB :: slSonetApsActiveLineTx

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › SL-SONET-APS-MIB › slSonetApsActiveLineTx

slSonetApsActiveLineTx

Module: SL-SONET-APS-MIB

OID (symbolic): SL-SONET-APS-MIB::slSonetApsActiveLineTx

OID (numeric): 1.3.6.1.4.1.4515.1.6.5.1.1.1.6

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: This object indicates which Tx line is currently active. It could be the working line, the protection line or none if neither working nor protection line is active. This object reflects the status of receive direction. Not relevant for 1+1.

What is slSonetApsActiveLineTx?

A read-only value indicating whether the working or protection line is currently active for the transmit direction, not relevant in 1+1 architecture where Tx always follows the active line. An admin checks this mainly in 1:1 mode to see which line is currently used for outbound signal.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4515.1.6.5.1.1.1.6
snmpwalk -v2c -c public <target> SL-SONET-APS-MIB::slSonetApsActiveLineTx

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4515.1.6.5.1.1.1.6.1
snmpget -v2c -c public <target> SL-SONET-APS-MIB::slSonetApsActiveLineTx.1

Start monitoring SmartOptics SiteLight SONET optical transport equipment (SONET Automatic Protection Switching status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the SL-SONET-APS-MIB::slSonetApsActiveLineTx OID value, configure state conditions and alerts, and monitor any SmartOptics SiteLight SONET optical transport equipment (SONET Automatic Protection Switching status) from a single console.

OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.4515smartopticsSL-NE-MIB
1.3.6.1.4.1.4515.1sitelightSL-NE-MIB
1.3.6.1.4.1.4515.1.6slSonetMibSL-SONET-MIB
Numeric OIDNameModule
1.3.6.1.4.1.4515.1.6.5slSonetApsMibSL-SONET-APS-MIB
1.3.6.1.4.1.4515.1.6.5.1slSonetApsConfigSL-SONET-APS-MIB
1.3.6.1.4.1.4515.1.6.5.1.1slSonetApsConfigTableSL-SONET-APS-MIB
1.3.6.1.4.1.4515.1.6.5.1.1.1slSonetApsConfigEntrySL-SONET-APS-MIB
1.3.6.1.4.1.4515.1.6.5.1.1.1.6slSonetApsActiveLineTxSL-SONET-APS-MIB