CISCO-SONET-MIB :: csApsActiveLine

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCISCO-SONET-MIBcsApsActiveLine

csApsActiveLine

Module: CISCO-SONET-MIB

OID (symbolic): CISCO-SONET-MIB::csApsActiveLine

OID (numeric): 1.3.6.1.4.1.9.9.126.1.2.1.1.5

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: This object indicates which line is currently active. It could be the working line(Section 1 for Annex B), the protection line(Section 2 for Annex B) or none if neither working nor protection line is active. This object reflects the status of receive direction.

What is csApsActiveLine?

Reports which line -- working, protection, or neither -- is currently carrying active traffic, reflecting the current APS switch state.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.126.1.2.1.1.5
snmpwalk -v2c -c public <target> CISCO-SONET-MIB::csApsActiveLine

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.126.1.2.1.1.5.1
snmpget -v2c -c public <target> CISCO-SONET-MIB::csApsActiveLine.1

Start monitoring Cisco SONET/SDH transport routers with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-SONET-MIB::csApsActiveLine OID value, configure state conditions and alerts, and monitor any Cisco SONET/SDH transport routers from a single console.

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
1.3.6.1.4.1.9ciscoCAT2600-MIB
1.3.6.1.4.1.9.9ciscoMgmtCISCO-SMI
Numeric OIDNameModule
1.3.6.1.4.1.9.9.126ciscoSonetMIBCISCO-SONET-MIB
1.3.6.1.4.1.9.9.126.1ciscoSonetMIBObjectsCISCO-SONET-MIB
1.3.6.1.4.1.9.9.126.1.2csApsConfigCISCO-SONET-MIB
1.3.6.1.4.1.9.9.126.1.2.1csApsConfigTableCISCO-SONET-MIB
1.3.6.1.4.1.9.9.126.1.2.1.1csApsConfigEntryCISCO-SONET-MIB
1.3.6.1.4.1.9.9.126.1.2.1.1.5csApsActiveLineCISCO-SONET-MIB