juniSystemTimingSourceIfIndex 1.3.6.1.4.1.4874.2.2.2.1.5.4.1.3

The ifIndex of the interface selected as the system timing source. If the juniSystemTimingSourceType object is not timingInterfaceIfIndex(1), then reading this object will return a zero value. The agent will not accept a set to this object unless the juniSystemTimingSourceType object is set to timingInterfaceIfIndex(1).