TIMETRA-SAS-PTP-MIB

Description: TIMETRA-SAS-PTP-MIB module

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TIMETRA-SAS-PTP-MIB is a Nokia/Alcatel-Lucent proprietary SNMP module that manages and monitors Precision Time Protocol (IEEE 1588-2008) components on Alcatel-Lucent SROS devices, used for sub-microsecond clock synchronization across a network, typically for mobile backhaul or synchronous services. It exposes PTP clock configuration objects such as logarithmic sync-message interval settings that control how frequently sync messages are sent between master and slave clocks. Its monitoring value is verifying PTP timing configuration is correct, since incorrect sync intervals or clock configuration can cause frequency/phase synchronization errors that ripple into dependent services like mobile radio timing. It complements the standard PTP-MIB (IEEE 1588) framework and TIMETRA-NTP-MIB, as PTP and NTP are often deployed together for different synchronization tiers. It is deployed on Nokia/Alcatel-Lucent 7210 SAS access switches providing precision timing distribution in mobile backhaul networks. Engineers can download the TIMETRA-SAS-PTP-MIB file directly to load it into their MIB browser.

An operator checks tmnxPtpLogSyncInterval to confirm the configured sync-message interval matches the network's timing design, since a mismatched interval between master and slave can cause synchronization instability. Because this MIB's object set is limited, deeper per-port or per-clock-instance PTP status would typically be cross-checked against the standard PTP-MIB rather than this SAS-specific extension. Deviation of the sync interval from the expected value is a leading indicator to investigate before a full loss of clock lock occurs.

Nokia Timetra Service Assurance Manager (SAS) MIB for managing Precision Time Protocol (PTP) configuration and status on Nokia SROS devices and SAS platforms.