An Overview of System Message Logging
Syslog Operation
The most common method of taking advantage of this wealth of system messages that Cisco devices provide is to use a protocol called syslog. Syslog permits your various Cisco devices (and some other non-Cisco devices) to send their system messages across the network to syslog servers. You should note that you can even build a special out-of-band (OOB) network for this purpose. There are many different Syslog server software packages for Windows and UNIX. Many of them are even freeware.
Internally, Cisco network devices send system messages and debug output to a local logging process inside the ...
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