C3560e-universalk9-mz.152-4.e10.bin - -upd- [better]
The -UPD- marker is almost always applied by administrators to indicate that the base image has been or recompiled with additional fixes. Several scenarios lead to this:
Official Cisco images do not contain -UPD- . This suffix is typically added by network engineers to denote that the image has been modified (e.g., updated with a critical patch) or to track custom builds in internal repositories. Always verify the MD5 checksum if you encounter this label outside your organization. C3560e-universalk9-mz.152-4.e10.bin -UPD-
Switch# verify /md5 flash:c3560e-universalk9-mz.152-4.e10.bin The -UPD- marker is almost always applied by