All MIBs › ETH-SWITCH-MIB › txLinkDownEvents
txLinkDownEvents
Module: ETH-SWITCH-MIB
OID (symbolic): ETH-SWITCH-MIB::txLinkDownEvents
OID (numeric): 1.3.6.1.4.1.208.39.4.1.1.26
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: No link pulses are received. Usually this means that the cable are removed.
What is txLinkDownEvents?
Counts how many times this port stopped receiving link pulses from its peer, which usually indicates the cable was unplugged or the far end powered off. Admins watch this counter to spot flapping or physically disconnected links.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.208.39.4.1.1.26 snmpwalk -v2c -c public <target> ETH-SWITCH-MIB::txLinkDownEvents
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.208.39.4.1.1.26.1 snmpget -v2c -c public <target> ETH-SWITCH-MIB::txLinkDownEvents.1
Start monitoring Ethernet switch with port/VLAN management (vendor not confirmed) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ETH-SWITCH-MIB::txLinkDownEvents OID value, configure state conditions and alerts, and monitor any Ethernet switch with port/VLAN management (vendor not confirmed) from a single console.
OID Breakdown
Upper-level ancestors (7 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.208 | scanet | SCANET-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.208.39 | ethSwitch | ETH-SWITCH-MIB |
| 1.3.6.1.4.1.208.39.4 | statistic | ETH-SWITCH-MIB |
| 1.3.6.1.4.1.208.39.4.1 | txStatTable | ETH-SWITCH-MIB |
| 1.3.6.1.4.1.208.39.4.1.1 | txStatEntry | ETH-SWITCH-MIB |
| 1.3.6.1.4.1.208.39.4.1.1.26 | txLinkDownEvents | ETH-SWITCH-MIB |