MBG-SNMP-LTNG-MIB

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

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Organization: Meinberg Radio Clocks GmbH & Co. KG

Last Updated: 2016-05-18

Category: Technology: Time Synchronization, Vendor: Meinberg

Description: Meinberg Radio Clocks next-generation LanTime SNMP MIB providing enhanced NTP/PPS server monitoring and configuration objects.

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What Is MBG-SNMP-LTNG-MIB?

MBG-SNMP-LTNG-MIB is a Meinberg Radio Clocks vendor-specific MIB for the LANTIME NG (next-generation) family of NTP/PTP time servers, providing enhanced status, configuration, and notification objects beyond earlier Meinberg MIBs. Under mbgLantimeNGStatus it exposes general appliance identity via mbgLtNgInfo (mbgLtNgFirmwareVersion, mbgLtNgSerialNumber, mbgLtNgCpuSerialNumber, mbgLtNgSubagentTimeticks) and per-reference-clock health through mbgLtNgRefclockTable, indexed by mbgLtNgRefclockIndex, with columns for refclock type, usage, operational state/substate, and dual status registers (mbgLtNgRefclockStatusA/B with their maximums). The module's decades of revisions layered in NTP client statistics, PTP port state tables, GPS position data, cluster support, and numerous traps (e.g., NTP offset limit exceeded, FDM error, certificate expiry, insufficient system resources), reflecting its role as the primary management interface for time-synchronization infrastructure. It depends on the shared MBG-SNMP-ROOT-MIB for its registration point and is deployed on Meinberg LANTIME appliances providing NTP/PTP timing to networks, and administrators can download the MBG-SNMP-LTNG-MIB file to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in MBG-SNMP-LTNG-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

  • Meinberg LANTIME NG time server appliances

Monitoring Examples

An operator polls mbgLtNgRefclockTable to check mbgLtNgRefclockState and mbgLtNgRefclockSubstate for the installed GPS or MRS reference clock, cross-checking mbgLtNgRefclockStatusA against mbgLtNgRefclockMaxStatusA; a degraded refclock state combined with a received mbgLtNgTrapNTPOffsetLimitExceeded trap would indicate the time source has become unreliable and downstream NTP clients may be receiving inaccurate time.

What Can Be Monitored

  • reference clock type/usage/state/substate
  • reference clock status registers A/B
  • NTP client offset and statistics counters
  • PTP port state table entries
  • firmware/serial number identity objects
  • trap conditions (offset limit, FDM, certificate expiry, resource exhaustion)
Imported Objects

From MBG-SNMP-ROOT-MIB

MeinbergSwitch
mbgSnmpRootMODULE-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Counter64
Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString

How to Use in IPNetwork Monitor

Example using mbgLtNgSubagentTimeticks OID:

Select a Meinberg LANTIME NG time server appliance as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type mbgLtNgSubagentTimeticks into the Find box to locate it in the OID tree, then select it and click OK. It reports subdaemons' time alive in seconds. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter64-type OID, Value bounds is the most useful condition here — trigger an alert if the value is unexpectedly low (e.g. under 10 minutes), since that indicates a recent, possibly unplanned, reboot or restart. Click Finish to create the monitor; you can adjust any parameter later.
OIDs

RFC description

Meinberg LANTIME NTP/PTP time synchronization device SNMP management information base.

Start monitoring Meinberg LANTIME NG time server appliance with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download MBG-SNMP-LTNG-MIB