Zhone-PTP-MIB

Description: Manages Zhone Technologies Precision Time Protocol clock configuration, port state, and synchronization status.

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Zhone-PTP-MIB is a Zhone Technologies private enterprise MIB for managing IEEE 1588 Precision Time Protocol (PTP) clock configuration and synchronization on Zhone access/transport equipment, placing it in the timing-and-synchronization category used for telecom-grade clock distribution. It exposes clock configuration parameters, port state (e.g., master, slave, passive per the PTP state machine), and synchronization/lock status for the device's PTP clock. Its monitoring focus is squarely on software/protocol health: confirming the PTP clock is locked and synchronized to its reference, and that each PTP port is in the expected state, since loss of sync directly affects services such as TDM circuit emulation or mobile backhaul timing that depend on accurate clocking. It is a vendor implementation of the IEEE 1588-2008 PTP standard, so it depends conceptually on that standard's clock and port state model. It is typically deployed on Zhone access/aggregation platforms providing timing distribution for mobile backhaul or circuit-emulation services where precise clock synchronization is required. Engineers can download the Zhone-PTP-MIB file directly to load it into their MIB browser.

An operator would poll the PTP port state and synchronization/lock status to confirm the device's clock remains in sync, for example in a slave state locked to a grandmaster, rather than having reverted to a free-running or holdover state. A port unexpectedly shown in a non-locked or fault state would indicate a PTP message-path disruption, such as a network path change or the loss of the grandmaster clock, which directly threatens timing-sensitive services carried over that link. No sample objects were listed for this MIB, so exact table/column names are unconfirmed, but the functional data centers on per-port PTP state and clock synchronization status.

Precision Timing Protocol (IEEE 1588) configuration and monitoring for Zhone network equipment.