Understanding Timing Defects and Event Management on ACX Series
Junos OS for ACX Universal Access Routers supports defect and event management
capabilities for timing features. Defects and events are notified in the form of SNMP traps
and these SNMP traps are logged into the system log-file (var/log/snmpd). For each of
the SNMP traps (timing defects and timing events) that are generated, a message is
logged in the clksyncd file (var/log/clksyncd).
Table 34 on page 301 shows the list of SNMP trap notifications for timing defects and
events supported in ACX Universal Access Routers.
Table 34: SNMP trap notifications for timing defects and events
Description
Notification
TypeSNMP Trap
Denotes loss of signalDefectsjnxTimingFaultLOS
Denotes exceeded frequency deviationDefectsjnxTimingFaultEFD
Denotes loss of Ethernet Synchronization Message Channel
(ESMC)
DefectsjnxTimingFaultLOESMC
Denotes failure in quality levelDefectsjnxTimingFaultQLFailed
Denotes loss of timing informationDefectsjnxTimingFaultLTI
Denotes the failure of primary sourceDefectsjnxTimingFaultPriSrcFailed
Denotes the failure of secondary sourceDefectsjnxTimingFaultSecSrcFailed
When acting as master, this SNMP trap denotes failure or
rejects clients for signaling messages. When acting as a slave,
this SNMP trap denotes failure or client stops receiving
signaling messages
DefectsjnxTimingFaultPtpUniNegRateReject
Denotes the recovery of primary sourceEventsjnxTimingEventPriSrcRecovered
Denotes the recovery of secondary sourceEventsjnxTimingEventSecSrcRecovered
Denotes a change in primary reference such as a change in
logical interface or a change from SyncE to BITS/external
interface)
EventsjnxTimingEventPriRefChanged
Denotes a change in secondary reference such as a change
in logical interface
EventsjnxTimingEventSecRefChanged
Denotes a change in quality levelEventsjnxTimingEventQLChanged
Denotes the DPLL status (SyncE, BITS, Hybrid)EventsjnxTimingEventDpllStatus
301Copyright © 2017, Juniper Networks, Inc.
Chapter 9: Configuring Timing and Synchronization
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