Working with Software Images
For a list of software images and the supported upgrade paths, see the release notes.
Note
Image Location on the Switch
The Cisco IOS image is stored as a .bin file in a directory that shows the version number. A subdirectory
contains the files needed for web management. The image is stored on the system board flash memory
(flash:).
You can use the show version privileged EXEC command to see the software version that is currently
running on your switch. In the display, check the line that begins with
shows the directory name in flash memory where the image is stored.
You can also use the dir filesystem: privileged EXEC command to see the directory names of other
software images that might be stored in flash memory.
tar File Format of Images on a Server or Cisco.com
Software images located on a server or downloaded from Cisco.com are provided in a tar file format,
which contains these files:
•
•
This example shows some of the information contained in the info file.
details about this information:
system_type:0x00000000:image-name
version_suffix:xxxx
0x40110000
Table B-3
info File Description
Field
version_suffix
version_directory
image_name
ios_image_file_size
Catalyst 2975 Switch Software Configuration Guide
B-24
Appendix B
An info file, which serves as a table of contents for the tar file
One or more subdirectories containing other images and files, such as Cisco IOS images and web
management files
image_family:xxxx
stacking_number:x
info_end:
version_directory:image-name
image_system_type_id:0x00000000
image_name:image-nameB.bin
ios_image_file_size:6398464
total_image_file_size:8133632
image_feature:IP|LAYER_3|PLUS|MIN_DRAM_MEG=128
image_family:xxxx
stacking_number:x
board_ids:0x401100c4 0x00000000 0x00000001 0x00000003 0x00000002 0x00008000 0x00008002
info_end:
Description
Specifies the Cisco IOS image version string suffix
Specifies the directory where the Cisco IOS image and the HTML subdirectory are installed
Specifies the name of the Cisco IOS image within the tar file
Specifies the Cisco IOS image size in the tar file, which is an approximate measure of how
much flash memory is required to hold just the Cisco IOS image
Working with the Cisco IOS File System, Configuration Files, and Software Images
System image file is...
Table B-3
provides additional
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. It