I have modern (produced in the last couple of years) network switches at work which only support XMODEM (assuming you have to do it over serial, they also support TFTP or transfer from a USB storage device, but in the one occasion we had to use it the OS had trashed itself comprehensively enough that serial was our only option).
I have modern (produced in the last couple of years) network switches at work which only support XMODEM (assuming you have to do it over serial, they also support TFTP or transfer from a USB storage device, but in the one occasion we had to use it the OS had trashed itself comprehensively enough that serial was our only option).