Sending Logs to a Syslog Server | Network Fundamentals Part 23

Your devices are constantly working, and constantly generating events. These events are marked with logs. Where do these logs go? Some of them will stay on the local device, but in a well maintained network, we can also send out logs to a syslog server. Putting all our logs in one place will help us to correlate problems across many devices. Syslog is a well known format for logging. Lots of devices can use them. There are two important aspects; Facilities and severity levels. A facility represents the process that generates the log. The severity level refers to how important a log is. There are eight levels, named emergency, alert, critical, error, warning, notification, information, and debug. Debug logs are benign while emergency logs are very important. To help remember the levels, think of the mnemonic Every Awesome Cisco Engineer Will Need Icecream Daily.

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Overview of this video: 0:14 Logging Overview 1:32 Syslog Levels and Facilities 4:09 A Simple Syslog Server 4:43 Syslog Configuration