INTERFACES-MIB :: t1e1KeepAlive

MIB Reference — IPNetwork Monitor · Updated October 02, 2026

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t1e1KeepAlive

Module: INTERFACES-MIB

OID (symbolic): INTERFACES-MIB::t1e1KeepAlive

OID (numeric): 1.3.6.1.4.1.425.8.3.1.1.15

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-write

Description: Selects keep alive framed and unframed ones when the unit detects LOS or OOF.

What is t1e1KeepAlive?

What the unit sends when it detects LOS or OOF: unframed ones(2), framed ones(3) or loop(4). It keeps downstream equipment from declaring the link dead; unframed ones is the classic AIS-style signal.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.425.8.3.1.1.15
snmpwalk -v2c -c public <target> INTERFACES-MIB::t1e1KeepAlive

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.425.8.3.1.1.15.1
snmpget -v2c -c public <target> INTERFACES-MIB::t1e1KeepAlive.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.425.8.3.1.1.15.1 i <value>

Start monitoring Networking equipment with auxiliary dial-up/management port (txport device tree) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the INTERFACES-MIB::t1e1KeepAlive OID value, configure state conditions and alerts, and monitor any Networking equipment with auxiliary dial-up/management port (txport device tree) from a single console.

OID Breakdown

Upper-level ancestors (6 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
Numeric OIDNameModule
1.3.6.1.4.1.425txportINTERFACES-MIB
1.3.6.1.4.1.425.8tinterfacesINTERFACES-MIB
1.3.6.1.4.1.425.8.3t1e1INTERFACES-MIB
1.3.6.1.4.1.425.8.3.1t1e1ConfigTableINTERFACES-MIB
1.3.6.1.4.1.425.8.3.1.1t1e1ConfigTableEntryINTERFACES-MIB
1.3.6.1.4.1.425.8.3.1.1.15t1e1KeepAliveINTERFACES-MIB