Message Format
seq -> A sequence number indicating the order/sequence of messages.
time stamp -> A timestamp indicating the time the message was generated.
seq and time stamp fields may or may not be displayed, depending on the device's configuration.
facility -> A value that indicates which process on the device generated the message.
severity -> A number that indicates the severity of logged event.
MNEMONIC -> A short code for the message, indicating what happened.
description -> Detailed information about the event being reported.
Syslog severity levels
| Level | Keyword | Description |
|---|---|---|
0 | Emergency | System is unusable |
1 | Alert | Action must be taken immediately |
2 | Critical | Critical conditions |
3 | Error | Error conditions |
4 | Warning | Warning conditions |
5 | Notice | Normal but significant condition (Notification) |
6 | Informational | Informational messages |
7 | Debugging | Debug-level messages |
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Examples
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