Information Technology Reference
In-Depth Information
Table 3-11 outlines the problems that might cause this symptom and describes solutions to those
problems.
Table3-11
Booting: Router Cannot Network Boot from Another Router
Possible Problem
Solution
Missing or
incorrect
tftp-server
global
configuration
command
Use the
show running-config
privileged exec command to
determine whether the
tftp-server system
global
configuration command is missing or incorrectly specified.
1.
Add or modify the
tftp-server system
global configuration
command as necessary on the router acting as the TFTP
server. Specify the name of a file in Flash memory.
2.
Incomplete image
in Flash memory
Use the
show flash
exec command to determine whether the
image is incomplete. This display might show that the image is
deleted and might indicate the reason.
The following is an example of
show flash
output indicating that
the image is deleted:
babar#
show flash
2048K bytes of flash memory sized on embedded flash.
File name/status
xx-k.914-0.16
1 xx3-confg
2 xx-k.91-4.2 [deleted] [invalid cksum]
[0/2097152 bytes free/total]
Incorrect image in
Flash memory
1.
A “wrong system software” message is displayed when a
router attempts to boot an incorrect image. In this case, the
router is being booted from the ROM monitor.
The following is an example of the ROM monitor output after an
attempt to boot an incorrect image:
b gs3-klingon 131.108.9.40
Booting gs3-klingon from
131.108.9.40:!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!O!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 2056792/3394950 bytes]
F3: 2011628+45132+192972 at 0x1000
Wrong system software for this hardware
Obtain the correct image. If necessary, contact your
technical support representative to determine which image is
correct.
2.
When you identify the correct image, use the
copy tftp flash
privileged exec command to retrieve the image.
3.
