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Switch Administration 7-29
Setting Up a Log Server
To keep a complete history of the events that are logged by the switch, the administrator needs to set up an external system
log on a server. The server listens for incoming switch-generated syslog messages on a UDP port (514 by default), and then
decodes the messages into a log file appropriate for viewing and printing. Events are categorized into eight levels (0 through
7), with the lowest numbers representing the most critical issues.
1. Set the level of the errors to be logged from the Logging Level drop-down menu. All events associated with the
selected level and events with levels lower than the selection will be recorded.
2. Check the Enable logging in to an external syslog server checkbox to enable logging.
3. Specify the Syslog server IP address for the server that will store the log.
4. Select Apply to save the changes.
5. Select Network Configuration --> Subnet Access. Work through all the combinations of subnet-to-WAN accesses
to ensure that DNS communications are allowed. (UDP must be enabled to save the log entries.)