Select System, and then select Log/Monitoring.
Click the Settings tab, and then enter the following information:
Server name/IP (Note: IP is generally more fault tolerant)
Facility: Generally
Local0Type:
UDPClient Certificate: (not supported yet)
Filter:
Standard
Save the configuration.
For more information, see http://www.juniper.net/techpubs/en_US/uac/top- ics/task/configuration/security-access-syslog-configuring.html