After downloading, always verify the file hash to ensure the file wasn't corrupted or tampered with. Check the Cisco site for the specific hash.
: Redistributing Cisco software without a license is a violation of the End User License Agreement (EULA). Managing the Upgrade Process -BEST- Download C2900-universalk9-mz.spa.157-3.m8.bin
Save your current config ( copy run start ) and current IOS. After downloading, always verify the file hash to
: Access to specific IOS versions (especially "universalk9" images which include strong encryption) typically requires an active SmartNet Service Contract linked to your account. -BEST- Download C2900-universalk9-mz.spa.157-3.m8.bin
: Always verify the integrity of the downloaded file. Cisco usually provides MD5 checksums for verification.