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Overview of Junos OS System Log Messages

The Junos OS generates system log messages (also called syslog messages) to record events that occur on the switch, including the following:

  • Routine operations, such as a user login into the configuration database.
  • Failure and error conditions, such as failure to access a configuration file.
  • Emergency or critical conditions, such as power-down of the switch due to excessive temperature.

Each system log message identifies the Junos OS process that generated the message and briefly describes the operation or error that occurred. For detailed information about specific system log messages, see the Junos OS System Log Messages Reference.

Published: 2014-07-28