SNMP-HMSA-MIB :: zhrmDevUnDown

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › SNMP-HMSA-MIB › zhrmDevUnDown

zhrmDevUnDown

Module: SNMP-HMSA-MIB

OID (symbolic): SNMP-HMSA-MIB::zhrmDevUnDown

OID (numeric): 1.3.6.1.4.1.169.3.180.3.3

Node type: OBJECT-TYPE

Type: Gauge

Access: read-only

Description: The total number of devices for which the value of hrDeviceStatus is 5 (down).

VALUE: Integer without leading 0s.

DERIVATION: Sum of entries in hrDeviceTable having specified status.

What is zhrmDevUnDown?

The total number of devices across the system for which hrDeviceStatus currently reads down(5), i.e. how many monitored devices are currently failed or unavailable.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.169.3.180.3.3
snmpwalk -v2c -c public <target> SNMP-HMSA-MIB::zhrmDevUnDown

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.169.3.180.3.3.1
snmpget -v2c -c public <target> SNMP-HMSA-MIB::zhrmDevUnDown.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> zhrmDevUnDown.1

Start monitoring Tandem/HP NonStop server systems (Host Resources Subagent: storage/device/CPU/network/printer/disk tables) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the SNMP-HMSA-MIB::zhrmDevUnDown OID value, configure state conditions and alerts, and monitor any Tandem/HP NonStop server systems (Host Resources Subagent: storage/device/CPU/network/printer/disk tables) from a single console.

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
1.3.6.1.4.1.169tandemEthernetSubagentPvt-MIB
1.3.6.1.4.1.169.3nonstopsystemsEthernetSubagentPvt-MIB
Numeric OIDNameModule
1.3.6.1.4.1.169.3.180zhrmSNMP-HMSA-MIB
1.3.6.1.4.1.169.3.180.3zhrmDevUnavailSNMP-HMSA-MIB
1.3.6.1.4.1.169.3.180.3.3zhrmDevUnDownSNMP-HMSA-MIB