Information Technology Reference
In-Depth Information
Table3-7
Booting: Router Fails to Boot from Flash Memory (continued)
Possible Problem
Solution
Incorrect or
corrupted image
(exec functions)
1.
Obtain the correct system image. If necessary, contact your
technical support representative to determine which image is
appropriate.
2.
Use the
copy tftp flash
privileged exec command to retrieve
the image.
3.
Check the configuration register using the
show version
exec command. Set the register to boot from Flash memory.
For information about configuration register settings, refer
to your hardware installation and maintenance
documentation.
4.
Use the
show running-config
privileged exec command to
determine whether the active configuration contains the
boot
system flash
global configuration command. Use the
show
startup-config
privileged exec command to determine
whether
the boot system flash
command is included in the
configuration stored in NVRAM
1
.
5.
Include the
boot system flash
command, if it is not in the
configuration. Be sure to use the
copy running-config
startup-config
privileged exec command to save your
modification after this change.
6.
Enter the
reload
privileged exec command to restart the
router.
Syntax:
The following is the syntax for the
reload
command:
reload [text]
|
[in [hh:]mm [text]]
|
[at hh:mm [month day
|
day month] [text]]
|
[cancel]
Examples:
The following example illustrates how to use the
reload
command to immediately reload the software on the router:
Router# reload
Incorrect or
corrupted image
(exec functions)
(continued)
The following example illustrates how to use the
reload
command to reload the software on the router in 10 minutes:
Router#
reload in 10
Router# Reload scheduled for 11:57:08 PDT Fri Apr 21
1996 (in 10 minutes)
Proceed with reload? [confirm]
Router#
1.
NVRAM = nonvolatile random-access memory
