Do you have a question about the Juniper JUNOS OS 10.3 - SYSTEM LOG MESSAGES REFERENCE 7-12-2010 and is the answer not in the manual?
Describes how to configure system logging using the syslog statement at the [edit system] hierarchy level.
Provides information on the minimum and default system log settings on routing platforms that run Junos OS.
Explains how to configure system logging for a single-chassis system running Junos OS.
Details how to configure system logging for T640 Internet routing nodes and TX Matrix platform in a routing matrix.
Explains how to display log files and interpret the contents of system log messages.
Explains how to learn more about messages with each prefix, both in the reference and while using the CLI.