TP-Link SafeStream TL-ER6020 - Page 131

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The Logs of switch are classified into the following eight levels.
Severity
Level Description
Emergency 0
The system is unusable.
Alert 1
Action must be taken immediately.
Critical 2
Critical conditions
Error 3
Error conditions
Warning 4
Warnings conditions
Notice 5
Normal but significant conditions
Informational 6
Informational messages
Debug 7
Debug-level messages