What level of logging is enabled on a Router where the following logs are seen?
%LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
A.
alerts
B.
critical
C.
errors
D.
notifications
Explanation:
Cisco routers, switches, PIX and ASA firewalls prioritize log messages into 8 levels (0-7), as shown below:When you enable logging for a specific level, all logs of that severity and greater (numerically less)
will be logged. In this case we can see that logging level of 3 (as seen by the 3 in “LINK-3-UPDOWN”)
and level 5 (as seen by the 5 in “LINEPROTO-5-UPDOWN”) are shown, which means that logging level
5 must have been configured. As shown by the table, logging level 5 is Notifications.
Incorrect Answers:
: Alerts is logging level 1, and all levels 5 and below (more severe) are being logged.
: Critical is logging level 2, and all levels 5 and below are being logged.
: Errors is logging level 3, and all levels 5 and below are being logged.
