Cisco IE-3000-8TC Administration Manual page 479

Cisco recommends that you use install WinMD5 utility tool to verify the MD5 checksum of the file
Note
/www.winmd5.com/)
3 Run the MD5 checksum tool on the ISO and verify the value with the file that is available on CCO.
4 Install a 3rd party iso-extractor tool in your laptop.
Note Cisco recommends that you can install the 7-Zip extractor tool (http://www.7-zip.org/).
5 Open the ISO file using the 7-Zip extractor tool.
Figure 11: Extracted ISO files using the 7-Zip extractor tool
OL-27022-01
Performing Upgrade Using an USB Flash Drive
Administration Guide for Cisco Business Edition 3000, Release 8.6(4)
(http:/
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