CCNA(config-line)#login local CCNA(config-line)#transport input SSH Telnet CCNA(config-line)# -------------------------CCNA#ssh -l <login name> <IP host> CCNA#ssh -l netadmin LAN -----ď&#x192; hostname cua Router ket noi toi la LAN Password: Password: Chao mung ban den voi Router cua Lan Lan# CCNA#show ip ssh SSH Enabled - version 2.0 Authentication timeout: 60 secs; Authentication retries: 3 CCNA#
QUA TRINH KHOI DONG CUA THIET BI CISCO 1. Rom monitor rommon1> hoac > hoac $ * Do Admin + ~> Recovery password + ~> Thay doi gia tri thanh ghi (Configuration register) Ex: Configuration register is 0x2102 * Khong do Admin + Flash hu + Ko load duoc IOS 2. Boot ROM Router (boot)> ~> Muc dich nang cap Flash 3. Boot Sequence Router (PowerOn) ----> (Run IOS from ROM) POST ----> (Configuration Register) Read & Load cau hinh trong NVRAM ----> (run) NVRAM (load Startup-config)
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(2)
(1) (ko co NVRAM) ----> Tim TFTP Server
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