Nortel-MsCarrier-MscPassport-DcmeMIB :: mscDclVsInvalidAbBits

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › Nortel-MsCarrier-MscPassport-DcmeMIB › mscDclVsInvalidAbBits

mscDclVsInvalidAbBits

Module: Nortel-MsCarrier-MscPassport-DcmeMIB

OID (symbolic): Nortel-MsCarrier-MscPassport-DcmeMIB::mscDclVsInvalidAbBits

OID (numeric): 1.3.6.1.4.1.562.36.2.1.130.4.12.1.3

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: This attribute counts the number of invalid AB bits signals received from the ISC on this channel. The invalid bit setting is 00. This counter wraps to zero when it reaches its maximum.

What is mscDclVsInvalidAbBits?

A wrapping counter of invalid AB signalling bit patterns (specifically the 00 setting) received from the ISC on this channel. A rising count on a specific channel points to a signalling problem isolated to that channel rather than the whole DcmeLink.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.562.36.2.1.130.4.12.1.3
snmpwalk -v2c -c public <target> Nortel-MsCarrier-MscPassport-DcmeMIB::mscDclVsInvalidAbBits

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.562.36.2.1.130.4.12.1.3.1
snmpget -v2c -c public <target> Nortel-MsCarrier-MscPassport-DcmeMIB::mscDclVsInvalidAbBits.1

Start monitoring Nortel MSC Passport mobile carrier switch (DCME voice compression trunk) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Nortel-MsCarrier-MscPassport-DcmeMIB::mscDclVsInvalidAbBits OID value, configure state conditions and alerts, and monitor any Nortel MSC Passport mobile carrier switch (DCME voice compression trunk) from a single console.

OID Breakdown

Upper-level ancestors (10 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
1.3.6.1.4.1.562nortelCPM-NORTEL-MIB
1.3.6.1.4.1.562.36msCarrierNortel-MsCarrier-MscPassport-UsefulDefinitionsMIB
1.3.6.1.4.1.562.36.2mscPassportNortel-MsCarrier-MscPassport-UsefulDefinitionsMIB
1.3.6.1.4.1.562.36.2.1mscComponentsNortel-MsCarrier-MscPassport-UsefulDefinitionsMIB
Numeric OIDNameModule
1.3.6.1.4.1.562.36.2.1.130mscDclNortel-MsCarrier-MscPassport-DcmeMIB
1.3.6.1.4.1.562.36.2.1.130.4mscDclVsNortel-MsCarrier-MscPassport-DcmeMIB
1.3.6.1.4.1.562.36.2.1.130.4.12mscDclVsStatsTableNortel-MsCarrier-MscPassport-DcmeMIB
1.3.6.1.4.1.562.36.2.1.130.4.12.1mscDclVsStatsEntryNortel-MsCarrier-MscPassport-DcmeMIB
1.3.6.1.4.1.562.36.2.1.130.4.12.1.3mscDclVsInvalidAbBitsNortel-MsCarrier-MscPassport-DcmeMIB