logging successful authentications

Unanswered Question
Mar 18th, 2010


I would like to log every successful authentication or authorization or accounting (I don't know which step is more effective.) as follows:

UserIDAssigned IPDate/Time

Is it possible to do that via syslog ? or how ? (It should work very fast)

Best Regards

I have this problem too.
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dhananjoy chowdhury Fri, 03/19/2010 - 00:12

If your devices are integrated with Cisco ACS for AAA, just enable logging for successfull authentications on the ACS.

Also on the ACS server you can configure to forward the logs to a syslog server.

rakakharu Sat, 03/20/2010 - 13:17

thanks a lot,

One more question: I want to log external (real) IPs of subscribers that I authenticated.

Is it possible ?

p.s. I also added the nw structure.

Sorry for my simple questions, I'm newbie

dhananjoy chowdhury Sat, 03/20/2010 - 21:30


The field "Caller-ID" shows the IP address of the end user getting authenticated to the Device (shown as NAS in the TACACS logs).

Its enabled by default. If not you need to add the field under

Logging >> Failed Attempts


Logging >> Passed Authentication

Hope this helps.


darpotter Tue, 03/23/2010 - 03:00

If you're interesing in logging why not take a look at extraxi aaa-reports?

We have a variety of log collection tools plus scheduled data import and reporting options - including the ACS database itself.

60 trial versions available too!




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