Пассивный ftp на cisco router

Router(config)# ip ftp username user
Router(config)# ip ftp password password
Router(config)# ip ftp passive
Router(config)# ip ftp source-interface gi 0/0

http://www.cisco.com/c/en/us/td/docs/ios/12_2/configfun/configuration/guide/ffun_c/fcf011.html