CXLapBD-MIB :: lapbdMacSapKeepL1Up

MIB Reference — IPNetwork Monitor · Updated October 02, 2026

All MIBs › CXLapBD-MIB › lapbdMacSapKeepL1Up

lapbdMacSapKeepL1Up

Module: CXLapBD-MIB

OID (symbolic): CXLapBD-MIB::lapbdMacSapKeepL1Up

OID (numeric): 1.3.6.1.4.1.495.2.1.6.27.20.1.19

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-write

Description: This object applies only to LAPD (object lapbdMacSapLapType set to 'lapd').

Determines how this SAP (service access point) handles connections with the sub-layer.

Options: disabled (1): This SAP attempts to connect with the sub-layer only when the layer above LAPB/D connects to this SAP.

enabled (2): This SAP always attempts to connect with the sub-layer.

Default Value: enabled (2)

Configuration Changed: administrative and operative

What is lapbdMacSapKeepL1Up?

For LAPD SAPs, controls whether the physical-layer connection is kept up continuously (enabled, the default) or only brought up when the layer above LAPB/D actually requests a connection (disabled). An admin wanting to conserve resources on an idle backup ISDN link might set this to disabled(1).

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.495.2.1.6.27.20.1.19
snmpwalk -v2c -c public <target> CXLapBD-MIB::lapbdMacSapKeepL1Up

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.495.2.1.6.27.20.1.19.1
snmpget -v2c -c public <target> CXLapBD-MIB::lapbdMacSapKeepL1Up.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.495.2.1.6.27.20.1.19.1 i <value>

Start monitoring Aastra ConvertedX (CX) WAN access router/multiplexer (LAPB link layer) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CXLapBD-MIB::lapbdMacSapKeepL1Up OID value, configure state conditions and alerts, and monitor any Aastra ConvertedX (CX) WAN access router/multiplexer (LAPB link layer) 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
1.3.6.1.4.1.495memotecMEMOTEC-SMI
1.3.6.1.4.1.495.2memotecProductsMEMOTEC-SMI
1.3.6.1.4.1.495.2.1cxProductMEMOTEC-SMI
1.3.6.1.4.1.495.2.1.6cxApplicationCXProduct-SMI
1.3.6.1.4.1.495.2.1.6.27cxLapBDCXProduct-SMI
Numeric OIDNameModule
1.3.6.1.4.1.495.2.1.6.27.20lapbdMacSapTableCXLapBD-MIB
1.3.6.1.4.1.495.2.1.6.27.20.1lapbdMacSapEntryCXLapBD-MIB
1.3.6.1.4.1.495.2.1.6.27.20.1.19lapbdMacSapKeepL1UpCXLapBD-MIB