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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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NTP/4/SOURCE_LOST

NTP/4/SOURCE_LOST

Message

NTP/4/SOURCE_LOST:System synchronization source lost. (SourceAddress=[STRING], Reason=[STRING])

Description

The source reference clock was lost.

Parameters

Parameter Name Parameter Meaning
SourceAddress Indicates IP address of the source reference clock, whose synchronization is lost.
Reason Indicates the reason for the loss of source reference clock:
  • Unknown
  • Autokey configuration changed
  • NTP IPv4 service disabled
  • NTP IPv6 service disabled
  • Clock change detected
  • Authentication expected
  • Autokey failure
  • DENY/RSTR received
  • RATE received
  • CRPTO-NAK received
  • Authentication failure
  • Clock selection failed - No intersection
  • System peer change detected
  • Peer reachability lost
  • Source address change detected. Autokey dance restarted
  • Reference clock unreachable
  • Peer clock unsynchronized/unselectable
  • Stratum increase detected
  • Clock selection failed - No selectable clock
  • Clock selection failed - Too many false tickers
  • Broadcast client's interface unavailable
  • Broadcast client's interface VPN changed
  • Authentication configuration changed
  • IPv6 service disabled
  • Source interface unavailable
  • VPN change detected
  • Manycast discovery restarted
  • Configuration changed
  • Manycast parent deleted

Possible Causes

This log message was generated when the current source reference clock was lost because of some reasons and no candidate reference clock can be found.

Procedure

  1. Check whether the network is normal.
  2. Run the display ntp-service sessions command to check whether candidate reference clocks exist.
    1. If candidate reference clocks exist, perform Step 3.
    2. If candidate reference clocks do not exist, run the ntp-service unicast-peer ip-address command or the ntp-service unicast-server ip-address command to configure the source reference clock.
  3. Run the display ntp-service status command to check whether the server status is stable.
    1. If the server status is stable, perform Step 4.
    2. If the server status is unstable, perform Step 5.
  4. Run the display clock command to check whether the system clock is normal.
    1. If the clock of the hardware is normal, perform Step 6.
    2. If the clock of the hardware is abnormal, perform Step 5.
  5. Collect log information and configuration information, and then contact technical support personnel.
  6. End.
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Updated: 2019-08-21

Document ID: EDOC1000142069

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