Instead, use your Cisco SmartNet account to legally obtain the file from software.cisco.com . After download, always verify the hash, test in a lab, and follow the upgrade procedure meticulously.
switch (the "lite" designation specifically targets the 9200 line) requires a methodical approach to ensure a smooth transition, especially since this version (17.3.5) belongs to the Amsterdam 17.3.x release train. 1. Pre-Download & Verification