[HELP] How to Log Router's history in every user

Is there anyone can help me how to log any router's command (history) in every user?
Ex: there is some user that have acces to login into router, but after any process, there is any error in router setting. So, I want to know who set the router so the error is occured. Any solution ?

Thank's

Blogs and organic groups at http://www.ccie.net
Received on Tue Dec 06 2011 - 21:45:20 ART