IPADv2-MIB :: ipadHDLCTxLowAlarmDeclared

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › IPADv2-MIB › ipadHDLCTxLowAlarmDeclared

ipadHDLCTxLowAlarmDeclared

Module: IPADv2-MIB

OID (symbolic): IPADv2-MIB::ipadHDLCTxLowAlarmDeclared

OID (numeric): 1.3.6.1.4.1.321.100.1.999.0.25030

Node type: NOTIFICATION-TYPE

Description: This trap is sent out when a low Tx utilization alarm is declared.

What is ipadHDLCTxLowAlarmDeclared?

This OID generates an alarm notification when the HDLC interface transmission utilization drops below a configured minimum threshold. Low transmission utilization on a serial link may indicate failed traffic or misconfigured routing. A network operator would see this alert if an otherwise busy link suddenly stops carrying data.

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> '' IPADv2-MIB::ipadHDLCTxLowAlarmDeclared
snmptrap -v2c -c public <manager> '' 1.3.6.1.4.1.321.100.1.999.0.25030

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]:53161->[192.168.30.10]:162]:
  DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (278200745) 32 days, 4:46:47.45
  SNMPv2-MIB::snmpTrapOID.0 = OID: IPADv2-MIB::ipadHDLCTxLowAlarmDeclared

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OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.321verilinkDS8200v2-TC-MIB
1.3.6.1.4.1.321.100hbuDS8200v2-TC-MIB
1.3.6.1.4.1.321.100.1ipadIPAD-IPSTART-MIB
Numeric OIDNameModule
1.3.6.1.4.1.321.100.1.999ipadTrapsIPADv2-MIB
1.3.6.1.4.1.321.100.1.999.0ipadTrapsPrefixIPADv2-MIB
1.3.6.1.4.1.321.100.1.999.0.25030ipadHDLCTxLowAlarmDeclaredIPADv2-MIB