CISCO-ISDN-MIB :: demandNbrLayer2Change

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › CISCO-ISDN-MIB › demandNbrLayer2Change

demandNbrLayer2Change

Module: CISCO-ISDN-MIB

OID (symbolic): CISCO-ISDN-MIB::demandNbrLayer2Change

OID (numeric): 1.3.6.1.4.1.9.9.26.2.0.3

Node type: NOTIFICATION-TYPE

Description: This trap/inform is sent to the manager whenever the D-channel of an interface changes state.

Examples

Send this trap to an SNMP manager — replace <manager> with the IP or hostname of your monitoring server (SNMPv2c):

snmptrap -v2c -c public <manager> '' CISCO-ISDN-MIB::demandNbrLayer2Change
snmptrap -v2c -c public <manager> '' 1.3.6.1.4.1.9.9.26.2.0.3

Listen for incoming traps on the manager host (-f keeps it in the foreground, -Lo prints to stdout — useful for testing):

snmptrapd -f -Lo -c /dev/null authCommunity log public

Example snmptrapd log entry:

zoo11-linux.zoo [UDP: [192.168.30.111]:55826->[192.168.30.10]:162]:
  DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (297571858) 34 days, 10:35:18.58
  SNMPv2-MIB::snmpTrapOID.0 = OID: CISCO-ISDN-MIB::demandNbrLayer2Change

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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
1.3.6.1.4.1.9.9.26ciscoIsdnMibCISCO-ISDN-MIB
1.3.6.1.4.1.9.9.26.2ciscoIsdnMibTrapPrefixCISCO-ISDN-MIB
1.3.6.1.4.1.9.9.26.2.0ciscoIsdnMibTrapsCISCO-ISDN-MIB
1.3.6.1.4.1.9.9.26.2.0.3demandNbrLayer2ChangeCISCO-ISDN-MIB