![]() MDSswitch# show file bootflash:m9100-s5ek9-kickstart-mz.8.1.1.bin md5sum ![]() Sha512sum Displays SHA512 checksum for a file Sha256sum Displays SHA256 checksum for a file Once the file is transferred to the MDS or Nexus bootflash, you can check the md5sum or sha512sum with: MDSswitch# show file bootflash:m9100-s5ek9-kickstart-mz.8.1.1.bin ? On a Mac, you can use md5 or shasum -a 512 to achieve this: $ md5 m9100-s5ek9-kickstart-mz.8.1.1.bin Use the previous m9100-s5ek9-kickstart-mz.8.1.1.bin file as an example: c:\Temp> certutil -hashfile m9100-s5ek9-kickstart-mz.8.1.1.bin MD5 On a Windows PC, there is an inbuilt tool certutil which you can use with the MD5 or SHA512 hash algorithms (amongst others) to establish the unique checksum of any file. Validationįrom the Cisco Software Download page, place the cursor over the file you want to download, and this gives additional file details, which includes the MD5 and SHA512 checksum, as shown in the image: If your network is live, ensure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. This document is not restricted to specific software and hardware versions. There are no specific requirements for this document. This document describes how to verify the checksum of a software file downloaded from Cisco to a computer and onto any MDS or NX-OS switch.
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