Cisco 3550-SMI IOS升级过程分享(14) a 在switch模式下,查看系统启动路径的全称 Interrupt within 5 seconds to abort boot process. Boot process failed... The system is unable to boot automatically. The BOOT environment variable needs to be set to a bootable image. switch: set ASSEMBLY_REVISION_NUM=B0 BOOT=flash:c3550-smi.bin MAC_ADDR=00:04:4D:72:87:C0 MODEL_NUM=WS-C3524-XL-EN MODEL_REVISION_NUM=A0 MOTHERBOARD_ASSEMBLY_NUM=73-3904-11 MOTHERBOARD_SERIAL_NUM=FAB0445F1YR POWER_SUPPLY_PART_NUM=34-0851-02 POWER_SUPPLY_SERIAL_NUM=NONE SYSTEM_SERIAL_NUM=FAA0446W0XD switch: b查看flash下IOS的完全名称。 switch: dir flash: Directory of flash:/