Implementing Syslog Logging
This section provides an overview of syslog logging and how to configure your routers to support this function.
Implementing a router logging facility is an important part of any network security policy. Cisco routers can log information regarding configuration changes, ACL violations, interface status, and many other types of events.
Cisco routers can direct log messages to several different facilities. You should configure the router to send log messages to one or more of the following:
Console— Console logging is used when modifying or testing the router while connected to the console. Messages sent to the console are not stored by the router, and therefore are not very valuable as security events.
Terminal lines— ...