188 Dell PowerConnect 55xx Systems User GuideLogsThe Logs feature enables the switch to keep several, independent logs. Eachlog is a set of entries that record system events.It contains the following topics:• System Log Overview• Global Parameters• RAM Log• Log File (in Flash)• Login History• Remote Log ServerSystem Log OverviewSystem logs record events and report errors or informational messages. Someaspects of system logging can be configured, as described below. When youconfigure system logging, the configuration applies to all units in the stack.Some events are automatically logged, such as hardware problems. You mayenable/disable logging the following types of events:• Authentication Events in the Global Parameters page• Copy File Events in the Global Parameters page• Management Access Events in the Global Parameters page• Login History in the Login History pageEvent messages have a unique format, as per the System Logs (SYSLOG)protocol recommended message format for all error reporting, for example,SYSLOG and local device reporting messages are assigned a severity code,and include a message mnemonic that identifies the source applicationgenerating the message.Messages may be filtered, based on their urgency or relevancy.Events may be logged to the following destinations:• Console• Logging buffer (RAM)— Messages are stored in a cyclical file buffer.When the maximum number of messages is reached, messages are writtenstarting at the beginning of the buffer (overwriting the old messages).
