IOS Boot Procedure Can be set in Global Config –Router(config)#boot system flash If not in NVRAM as to where to get IOS, default is Flash If not in Flash,

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Presentation transcript:

IOS Boot Procedure Can be set in Global Config –Router(config)#boot system flash If not in NVRAM as to where to get IOS, default is Flash If not in Flash, next goes to TFTP Set by configuration registers

Configuration Registers 0x---0 from ROM monitor 0x---1 from ROM 0x---2 up to 0x---F to look for IOS commands in NVRAM

Configuration Registers Show version Config-registers

Bootstrap in Software Boot system flash gsnew-image Boot system tftp IP Address Boot system ROM

TFTP Process Ping TFTP Server Show Flash Check for file space and path

Cisco IOS Naming Hardware Platform Feature capability Run location compressed status

Saving and copying Copy Flash TFTP Copy TFTP Flash