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Prior to 4.32.2F, the ¡°reset system storage secure¡± CLI command can be used to perform a best-effort storage device wipe of all sensitive data. However, this command has the limitation that it wipes EOS from the storage device, leaving the system ¡°stuck¡± in Aboot. The ¡°reset system storage secure rollback¡± command provides the same secure erase functionality, but additionally allows the user to preserve a subset of files on the main flash device by copying them into RAM during the secure erase procedure. The set of files that are preserved is configurable. After a successful wipe, the system will return to EOS after the erase is complete if the EOS SWI image and adequate configuration files are preserved (such as boot-config and startup-config).

A secure erase is generally defined as a command (or set of commands) that deliberately, permanently and