USR-SS7-MIB :: usrSS7ENFASLinkDownCause

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › USR-SS7-MIB › usrSS7ENFASLinkDownCause

usrSS7ENFASLinkDownCause

Module: USR-SS7-MIB

OID (symbolic): USR-SS7-MIB::usrSS7ENFASLinkDownCause

OID (numeric): 1.3.6.1.4.1.429.4.77.28.1.8

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The status of the SLAP Connection to the Secondary SS7 gateway.

What is usrSS7ENFASLinkDownCause?

This read-only value reports why the ENFAS link to this slot's HDM went down: none(0), missingHDM(1), lostGWConnection(2), pBusError(3), or manualDisconnect(4). An admin reads this per-slot cause code to distinguish a missing card from a lost gateway connection or a pBus fault.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.429.4.77.28.1.8
snmpwalk -v2c -c public <target> USR-SS7-MIB::usrSS7ENFASLinkDownCause

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.429.4.77.28.1.8.1
snmpget -v2c -c public <target> USR-SS7-MIB::usrSS7ENFASLinkDownCause.1

Start monitoring CommWorks/3Com SS7 gateways with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the USR-SS7-MIB::usrSS7ENFASLinkDownCause OID value, configure state conditions and alerts, and monitor any CommWorks/3Com SS7 gateways from a single console.

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
1.3.6.1.4.1.429usrANIC-MIB
1.3.6.1.4.1.429.4commonHDR2-MIB
1.3.6.1.4.1.429.4.77usrSS7USR-DEFINITIONS-MIB
Numeric OIDNameModule
1.3.6.1.4.1.429.4.77.28usrSS7SlotTableUSR-SS7-MIB
1.3.6.1.4.1.429.4.77.28.1usrSS7SlotEntryUSR-SS7-MIB
1.3.6.1.4.1.429.4.77.28.1.8usrSS7ENFASLinkDownCauseUSR-SS7-MIB