All MIBs › PORT-MIB › etherPortStatsTxBadJamError
etherPortStatsTxBadJamError
Module: PORT-MIB
OID (symbolic): PORT-MIB::etherPortStatsTxBadJamError
OID (numeric): 1.3.6.1.4.1.5812.3.3.1.24
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: Number of bad frames (due to Jam Bit Error) transmitted.
What is etherPortStatsTxBadJamError?
This counts bad frames transmitted due to a Jam Bit Error, an internal signaling fault in the hardware's collision-jam generation logic. This is specific to legacy half-duplex Ethernet operation where jam signals are used to force collisions. An admin would only expect to see this counter move on ports actually running in half-duplex mode, and rising values suggest hardware trouble on that port's MAC.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.5812.3.3.1.24 snmpwalk -v2c -c public <target> PORT-MIB::etherPortStatsTxBadJamError
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.5812.3.3.1.24.1 snmpget -v2c -c public <target> PORT-MIB::etherPortStatsTxBadJamError.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> etherPortStatsTxBadJamError.1
Start monitoring Coriolis Networks optical switch/chassis line cards (per-port optical status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the PORT-MIB::etherPortStatsTxBadJamError OID value, configure state conditions and alerts, and monitor any Coriolis Networks optical switch/chassis line cards (per-port optical status) from a single console.
OID Breakdown
Upper-level ancestors (8 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 |
| 1.3.6.1.4.1.5812 | coriolisMibs | CORIOLIS-MIB |
| 1.3.6.1.4.1.5812.3 | port | CORIOLIS-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.5812.3.3 | etherPortTable | PORT-MIB |
| 1.3.6.1.4.1.5812.3.3.1 | etherPortEntry | PORT-MIB |
| 1.3.6.1.4.1.5812.3.3.1.24 | etherPortStatsTxBadJamError | PORT-MIB |