Additional Configuration and Maintenance Tasks
Note This publication does not cover all Cisco IOS Flash card commands. For complete Flash card command descriptions and configuration information, refer to the Cisco IOS Configuration Fundamentals Command Reference and to the Cisco IOS Configuration Fundamentals Configuration Guide. See the “Obtaining Documentation” section on page 84 for information on obtaining these publications.
Booting from a Flash Disk
This section describes the commands used to boot from a Flash disk. Flash disks are accessed using disk0: or disk1:, depending on the card slot location, instead of slot0: or slot1:, which is used with linear Flash memory cards.
Note A boot image that supports the ATA Flash disk file system must reside in bootflash.
To enable booting from a Flash disk, set the register bits to 0x2102 and add the boot system command, as follows:
Router#configure terminal
Enter configuration commands, one per line. End with
Router(config)#boot system
Router(config)#^Z
Router#copy
The boot system command may require a file name when applied to a Flash disk. The format is described in Table 14.
Table 14 | Boot System Command Format |
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Router(config)#boot | system | disk0:filename1 | Boots the named file from the Flash disk in slot 0. | |
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Router(config)#boot | system | disk1:filename1 | Boots the named file from the Flash disk in slot 1. | |
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1.Entering a filename is optional. If a filename is not specified, the system attempts to boot the first file located on the Flash disk.
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