Cisco ACS

This article describes the steps to to configure external syslog server on ACS:

• Click Remote Log target under log configuration then click Create to define the external syslog server
  
  
• Define the Name of external syslog server as DNIF and the IP address of the same, you can also mention the port number.

• You will see that the external syslog server is created.
  
  
• Now click Global configuration under System Administration
  
  
• Select the logging category for which you want to send logs to the external syslog server.
  

  For example, if you want to send all the passed authentication logs to an external syslog server.
  

• Now select the Remote Syslog Target Tab.
  
• Move the configured syslog server to the selected target and then click Submit.

Official Documentation