C3725adventerprisek9mz12425dbin -
ROMmon (ROMMON) -> loads bootstrap -> decompresses .bin from flash to RAM -> executes IOS
You have been warned – and educated.
Use it in emulators to learn – it is an excellent teacher of core routing concepts. If you are an enterprise engineer: Migrate off it immediately. The unpatched CVEs are too dangerous. If you obtain this file: Ensure you have a legal right to do so via existing hardware ownership or Cisco’s EoL download policy. c3725adventerprisek9mz12425dbin