F5 Log Severity Messages - TMOS 201

Question 1

What are the 8 severity levels?

Answer 1

1) Informational
2) Notice
3) Warning
4) Error
5) Critical
6) Alert
8) Emergency

Question 2

What is an Emergency message?

Answer 2

Emergency system panic messages

Question 3

What is an Alert message?

Answer 3

Serious errors that require administrator intervention

Question 4

What is a Critical message?

Answer 4

Critical errors, including hardware and filesystem failures

Question 5

What is an Error message?

Answer 5

Non-critical, but possibly very important, error messages

Question 6

What is a Warning message?

Answer 6

Messages that should at least be logged for review

Question 7

What is a Notice message?

Answer 7

Messages that contain useful information, but may be ignored

Question 8

What is an Informational message?

Answer 8

Messages that contain useful information, but may be ignored

Question 9

What is a Debug message?

Answer 9

Messages that are only necessary for troubleshooting

Question 10

What do ltm logs report? Where is it located?

Answer 10

The local traffic messages pertain specifically to the BIG-IP local traffic management events. /var/log/ltm

Question 11

What do message logs report? Where is it located?

Answer 11

The system event messages are based on global Linux events, and are not specific to BIG-IP local traffic management events.
/var/log/messages

Question 12

What do audit logs report? Where is it located?

Answer 12

The audit event messages are messages that the BIG-IP system logs as a result of changes to the BIG-IP system configuration. Logging audit events is optional.
/var/log/audit

Question 13

What is the acronym to remember the severity messages?

Answer 13

INWECAE
Information
Notice
Warning
Error
Critical
Alert
Emergency

Question 14

What are security logs?

Answer 14

The secure log messages contain information related to authentication and authorization privileges. /var/log/security