C2960s-universalk9-mz.152-2.e9.bin |best| -

before rebooting to ensure the file was not corrupted during transfer. Cisco Community Known Issues & Recovery Restoring C2960-S - Cisco Community

The naming convention of the software image can be broken down into several parts:

Follow these steps to upgrade the firmware via the Command Line Interface (CLI):

Confirm – the switch will boot the new image. c2960s-universalk9-mz.152-2.e9.bin

Wait for transfer to complete and confirm file present:

! Set the boot variable to the new file Switch(config)# boot system flash:c2960s-universalk9-mz.152-2.e9.bin

Switch# copy tftp: flash: Address or name of remote host [ ]? 192.168.1.100 Source filename [ ]? c2960s-universalk9-mz.152-2.e9.bin Destination filename [c2960s-universalk9-mz.152-2.e9.bin]? <Enter> before rebooting to ensure the file was not

: The standard binary file extension for executable Cisco IOS software. Key Feature Sets Supported

Given the EOL status of the 15.2(2)E9 release, the following best practices are strongly recommended for any network still operating these devices:

B. FTP/HTTP/HTTPS

Some older 2960-S units may require a bootloader upgrade before they can successfully boot 15.x images. Failure to do so can result in a "switch hung" state.

| Field | Value | Meaning | |-------|-------|---------| | Platform | c2960s | Designed for Catalyst 2960-S switches (e.g., WS-C2960S-24TS-L, WS-C2960S-48FPS-L, etc.) | | Feature Set | universalk9 | Universal image with (cryptographic) support – includes IP Base, LAN Base, and security features (SSH, SSL, PKI, etc.) | | Image Type | mz | Run-from-RAM image (typically compressed, executes in DRAM) | | Version | 152-2.e9 | IOS version 15.2(2)E9 | | Extension | .bin | Binary executable image file |