Supported Platforms
Related Documentation
- M, MX, QFX, T Series
- Junos OS Minimum System Logging Configuration
- MX, PTX, T Series
- Junos OS System Log Configuration Hierarchy
Junos OS System Log Configuration Overview
The Junos operating system (Junos OS) generates system log messages (also called syslog messages) to record events that occur on the router, including the following:
- Routine operations, such as creation of an Open Shortest Path First (OSPF) protocol adjacency or a user login into the configuration database
- Failure and error conditions, such as failure to access a configuration file or unexpected closure of a connection to a peer process
- Emergency or critical conditions, such as router power-down 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.
![]() | Note: This topic describes system log messages for Junos OS processes and libraries and not the system logging services on a Physical Interface Card (PIC) such as the Adaptive Services PIC. For information about configuring system logging for PIC services, see the Junos OS Services Interfaces Library for Routing Devices. |
Related Documentation
- M, MX, QFX, T Series
- Junos OS Minimum System Logging Configuration
- MX, PTX, T Series
- Junos OS System Log Configuration Hierarchy
Published: 2013-07-17
Supported Platforms
Related Documentation
- M, MX, QFX, T Series
- Junos OS Minimum System Logging Configuration
- MX, PTX, T Series
- Junos OS System Log Configuration Hierarchy