EICON-SDLC-MIB :: sdlcCountT1expires

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › EICON-SDLC-MIB › sdlcCountT1expires

sdlcCountT1expires

Module: EICON-SDLC-MIB

OID (symbolic): EICON-SDLC-MIB::sdlcCountT1expires

OID (numeric): 1.3.6.1.4.1.434.2.2.4.2.4.1.2

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: The number of times the Checkpoint Timer (T1) protocol timer has been exceeded.

What is sdlcCountT1expires?

Counts how many times the checkpoint (T1) timer has expired on this port, i.e. how often a polled response failed to arrive in time and triggered a retransmit. A steadily climbing count is a strong indicator of line quality problems or an overloaded remote station.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.434.2.2.4.2.4.1.2
snmpwalk -v2c -c public <target> EICON-SDLC-MIB::sdlcCountT1expires

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.434.2.2.4.2.4.1.2.1
snmpget -v2c -c public <target> EICON-SDLC-MIB::sdlcCountT1expires.1

Start monitoring Eicon Technology WAN communications equipment adapter (SDLC/SNA connectivity) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the EICON-SDLC-MIB::sdlcCountT1expires OID value, configure state conditions and alerts, and monitor any Eicon Technology WAN communications equipment adapter (SDLC/SNA connectivity) 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
1.3.6.1.4.1.434eiconECLAPBEXT-MIB
1.3.6.1.4.1.434.2managementECLAPBEXT-MIB
1.3.6.1.4.1.434.2.2mibv2ECLAPBEXT-MIB
Numeric OIDNameModule
1.3.6.1.4.1.434.2.2.4.2sdlcEICON-SDLC-MIB
1.3.6.1.4.1.434.2.2.4.2.4sdlcCountTableEICON-SDLC-MIB
1.3.6.1.4.1.434.2.2.4.2.4.1sdlcCountEntryEICON-SDLC-MIB
1.3.6.1.4.1.434.2.2.4.2.4.1.2sdlcCountT1expiresEICON-SDLC-MIB