Image Location On The Switch; Tar File Format Of Images On A Server Or Cisco.com - Cisco WS-C3550-12G Software Configuration Manual

Working with Software Images
This section includes this information:
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For a list of software images and the supported upgrade paths, refer to the release notes that shipped
Note
with your switch.

Image Location on the Switch

The IOS image is stored as a .bin file in a directory that shows the version number. A subdirectory
contains the HTML 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 you might have 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:
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This example shows the information contained in the info and info.ver files:
version_suffix: i5q3l2-121-6.EA1
version_directory: c3550-i5q3l2-mz.121-6.EA1
image_name: c3550-i5q3l2-mz.121-6.EA1.bin
ios_image_file_size: 3049472
total_image_file_size: 4551168
image_feature: LAYER_3|MIN_DRAM_MEG=64
image_family: C3550
info_end:
Catalyst 3550 Multilayer Switch Software Configuration Guide
B-20
Appendix B
Image Location on the Switch, page B-20
tar File Format of Images on a Server or Cisco.com, page B-20
Copying Image Files By Using TFTP, page B-21
Copying Image Files By Using FTP, page B-25
Copying Image Files By Using RCP, page B-29
info file
The info file is always at the beginning of the tar file and contains information about the files within
it.
IOS image
Web management files needed by the HTTP server on the switch
info.ver file
The info.ver file is always at the end of the tar file and contains the same information as the info
file. Because it is the last file in the tar file, its existence means that all files in the image have been
downloaded.
Working with the IOS File System, Configuration Files, and Software Images
System image file is...
78-11194-03
. It