TN-PTP-MIB :: tnPtpDefaultClockQuality

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsTN-PTP-MIBtnPtpDefaultClockQuality

tnPtpDefaultClockQuality

Module: TN-PTP-MIB

OID (symbolic): TN-PTP-MIB::tnPtpDefaultClockQuality

OID (numeric): 1.3.6.1.4.1.868.2.5.123.1.3.1.3

Node type: OBJECT-TYPE

Type: OCTET STRING

Access: read-write

Description: The clock quality is determined by the system, and holds 3 parts: Clock Class, Clock Accuracy and OffsetScaledLog Variance as defined in IEEE1588. The Clock Accuracy values are defined in IEEE1588 table 6 (Currently the clock Accuracy is set to 'Unknown' as default).

What is tnPtpDefaultClockQuality?

The clock quality this instance advertises, packed as three IEEE 1588 fields: Clock Class, Clock Accuracy, and Offset Scaled Log Variance; Clock Accuracy defaults to 'Unknown'. This value is what other clocks compare during Best Master Clock selection.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.868.2.5.123.1.3.1.3
snmpwalk -v2c -c public <target> TN-PTP-MIB::tnPtpDefaultClockQuality

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.868.2.5.123.1.3.1.3.1
snmpget -v2c -c public <target> TN-PTP-MIB::tnPtpDefaultClockQuality.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.868.2.5.123.1.3.1.3.1 s <value>

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> tnPtpDefaultClockQuality.1

Start monitoring Transition Networks PTP switch/media converter (IEEE 1588 clock sync/frequency-lock status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the TN-PTP-MIB::tnPtpDefaultClockQuality OID value, configure state conditions and alerts, and monitor any Transition Networks PTP switch/media converter (IEEE 1588 clock sync/frequency-lock status) 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
1.3.6.1.4.1.868transitionTRANSITION-SMI
1.3.6.1.4.1.868.2productsTRANSITION-SMI
1.3.6.1.4.1.868.2.5tnProductsTRANSITION-SMI
Numeric OIDNameModule
1.3.6.1.4.1.868.2.5.123tnPtpMIBTN-PTP-MIB
1.3.6.1.4.1.868.2.5.123.1tnPtpTN-PTP-MIB
1.3.6.1.4.1.868.2.5.123.1.3tnPtpClkConf0TableTN-PTP-MIB
1.3.6.1.4.1.868.2.5.123.1.3.1tnPtpClkConf0EntryTN-PTP-MIB
1.3.6.1.4.1.868.2.5.123.1.3.1.3tnPtpDefaultClockQualityTN-PTP-MIB