ISDN-MIB :: isdnLapdPrimaryChannel

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › ISDN-MIB › isdnLapdPrimaryChannel

isdnLapdPrimaryChannel

Module: ISDN-MIB

OID (symbolic): ISDN-MIB::isdnLapdPrimaryChannel

OID (numeric): 1.3.6.1.2.1.10.20.1.3.4.1.1

Node type: OBJECT-TYPE

Type: TruthValue

Access: read-write

Description: If set to true(1), this D channel is the designated primary D channel if D channel backup is active. There must be exactly one primary D channel configured. If D channel backup is not used, this object has a value of true(1).

What is isdnLapdPrimaryChannel?

Read-write flag marking whether this D channel is the designated primary one when D-channel backup is configured; exactly one D channel must be primary, and if backup isn't used this is simply true(1).

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.2.1.10.20.1.3.4.1.1
snmpwalk -v2c -c public <target> ISDN-MIB::isdnLapdPrimaryChannel

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.2.1.10.20.1.3.4.1.1.1
snmpget -v2c -c public <target> ISDN-MIB::isdnLapdPrimaryChannel.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.2.1.10.20.1.3.4.1.1.1 s <value>

Start monitoring Vendor-neutral IETF standard (ISDN routers, terminal adapters, WAN dial-backup gateways) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ISDN-MIB::isdnLapdPrimaryChannel OID value, configure state conditions and alerts, and monitor any Vendor-neutral IETF standard (ISDN routers, terminal adapters, WAN dial-backup gateways) from a single console.

OID Breakdown

Upper-level ancestors (7 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.2mgmtAPERTUS-NPG-MIB
1.3.6.1.2.1mib_2AXON-MIB
1.3.6.1.2.1.10transmissionCHECKPOINT-MIB-2
Numeric OIDNameModule
1.3.6.1.2.1.10.20isdnMibISDN-MIB
1.3.6.1.2.1.10.20.1isdnMibObjectsISDN-MIB
1.3.6.1.2.1.10.20.1.3isdnSignalingGroupISDN-MIB
1.3.6.1.2.1.10.20.1.3.4isdnLapdTableISDN-MIB
1.3.6.1.2.1.10.20.1.3.4.1isdnLapdEntryISDN-MIB
1.3.6.1.2.1.10.20.1.3.4.1.1isdnLapdPrimaryChannelISDN-MIB