Olá,
Segue os links com as informações que irão te ajudar.
http://www.cisco.com/c/en/us/td/docs/routers/access/1900/software/configuration/guide/Software_Configuration/routconf.html
http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-software-releases-110/45843-configpasswords.html
Att
Leonardo Santana
Regards
Leonardo Santana
*** Rate All Helpful Responses***