Cisco Systems 3130 User Manual

These sections contain this configuration information:

For a list of software images and the supported upgrade paths, see the release notes.

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 

System image file is...

 . It 

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 you might have stored in flash memory. You can use the archive download-sw 
/directory privileged EXEC command to specify a directory once followed by a tar file or list of tar files 
to be downloaded instead of specifying complete paths with each tar file..

Software images on a server or downloaded from Cisco.com are in a file format, which contains these 
files:

An info file, which serves as a table of contents for the file

One or more subdirectories containing other images and files, such as Cisco IOS images and web 
management files

This example shows some of the information contained in the info file. 

 provides additional 

details about this information:

system_type:0x00000000:cbs31x0-universal-mz.122-40.EX1

    image_family:CBS31x0

    stacking_number:1.9

    info_end:

version_suffix:universal-mz.122-40-EX1

    version_directory:cbs31x0-universal-mz.122-40.EX1

    image_system_type_id:0x00000000

    image_name:cbs31x0-universal-mz.122-40.EX1.bin

    ios_image_file_size:6398464

    total_image_file_size:8133632

    image_feature:IP|LAYER_3|PLUS|MIN_DRAM_MEG=128

    image_family:CBS31x0

    stacking_number:1.9