C2960s-universalk9-tar.152-2.e9.tar -

From the switch, ping your TFTP server.

A: Always check Cisco’s download page for the official MD5. An example (check for your exact download) might be ab12cd34ef56... . Run verify /md5 flash:c2960s-universalk9-tar.152-2.e9.tar on the switch. c2960s-universalk9-tar.152-2.e9.tar

Also verify the license level:

A: Yes, but do not enable it . Smart Install has known critical vulnerabilities (CVE-2018-0171). Cisco recommends disabling SIS if not needed. This image allows you to use no vstack . From the switch, ping your TFTP server