====== Überschrift ======

Aus: [https://www.cisco.com/c/de_de/support/docs/smb/switches/cisco-550x-series-stackable-managed-switches/smb5566-upgrade-firmware-on-a-switch-through-the-command-line-interf.html]
<code> boot-system tftp://192.168.100.108/image.bin</code>
geht nciht also weiter

Aus: [https://www.thegeekstuff.com/2011/06/upgrade-cisco-ios-image/]
https://www.cisco.com/c/de_de/support/docs/switches/catalyst-3550-series-switches/41541-190.html

TLDR:
USB Stick mit image -> copy usbflash0:imagename.bin flash:imagename.bin