A solid, feature-rich final release for the antique Cisco 3660, but hopelessly outdated for any real-world network security. Perfect for nostalgia, lab practice, or legacy voice setups – but keep it off any live network with sensitive data.
: Indicates the image runs from RAM ( m ) and is compressed ( z ). C3660 A3jk9s Mz 124 25d Bin
When prompted, click Yes to decompress the image for faster booting. Configure Resources: Set the router model to 3660 . Set RAM to at least 192MB . A solid, feature-rich final release for the antique