State since : 2015-05-04 03:13:49 PDT (00:01:45 ago)
Selected Master Details:
Upstream Master address : 61.1.1.2
Slave interface : ge-0/1/1.0
Parent Id : 40:b4:f0:ff:fe:42:f5:00
GMC Id : 40:b4:f0:ff:fe:42:d5:00
show snmp mib get <MIB-timing-objects>
user@host> show snmp mib get jnxGpsRecvStatus.0
jnxGpsRecvStatus.0 = Lost Sync
show snmp mib walk jnxTimingNotfObjects
user@host> show snmp mib walk jnxTimingNotfObjects
jnxClksyncIfIndex.0 = 138
jnxClksyncIntfName.0 = ge-0/1/1
jnxClksyncQualityCode.0 = 2
jnxPtpServoState.0 = 1
jnxPtpClass.0 = 6
jnxPtpGmId.0 = 40:b4:f0:ff:fe:42:d5:00
jnxClksyncQualityCodeStr.0 = PRC
jnxPtpServoStateStr.0 = FREERUN
Related
Documentation
show chassis synchronization on page 2386•
• Understanding Timing Defects and Event Management on ACX Series on page 301
Global Positioning System (GPS) and the ACX Series Routers
Global Positioning System (GPS) is a navigation aid system that uses signals from
satellites to calculate the actual position of a GPS-capable receiver. These signals are
not only used for determining the position of the receiver on Earth but also as a very
accurate time base. There are GPS receivers with 10-MHz clock frequency output
synchronized to a GPS satellite. The ACX Series router has a SubMiniature version B
(SMB) connector that can take 10-MHz sine-wave input from a GPS receiver. To configure
this 10-MHz clock from a GPS receiver as a candidate clock source for chassis
synchronization, include the gps statement and options at the [edit chassis synchronization
source] hierarchy level.
NOTE: ACX500 routers do not require an external GPS receiver because the
GPS receiver is integrated into the system.
Related
Documentation
External Clock Synchronization Overview for ACX Series Routers on page 226•
• Configuring External Clock Synchronization for ACX Series Routers on page 228
Copyright © 2017, Juniper Networks, Inc.306
ACX Series Universal Access Router Configuration Guide
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