(An e-book for Cisco experiments, with pictures and texts, good clarity, and a very specific introduction. I hope it can help all D friends. [Configure AAA server] Add administrator account, click "AdministrationControl" button, configure ciscosecureacsHTMLinterface in adding administrator account, click interface configuration. After selecting the desired service, select shell (exec) for this experiment. Network configuration, add the corresponding AAAclient, set its IP address and Key. Configure the user information, click "UserSetup", set the user password, select the shell (exec), and set the PrivilegeLevel [Configuration on the router] 1. enableAAA: Router(config)# .........)