11-04-2012 06:19 AM
We're seeing syslog messages generated from a couple of Nexus 5ks that we can't relate to anything. All the devices authenticates using TACACS and the syslog messages appear randomly. Can someone explain this behavior?
"AUTHPRIV 2 SYSTEM_MSG pam_unix(login:auth): auth could not identify password for [] - login"
11-06-2012 10:07 AM
Check the system clock, NTP settings etc.. If the system clock is not synchronized with what it is in the TACACS server, you might see this.. I had the same problem, and had to reconfigure my timezones on my switches..
Raj
11-08-2012 03:58 AM
Rajagopal: Thank you, I will give this a try and get back to you with the results.
11-08-2012 07:34 PM
Check to see if there are a flood of failed logins into the switch. If there is such a condition there is defect for the message
http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCtq86379
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