The k9w7 designation indicates the Autonomous IOS . In contrast, k9w8 or rcvk9w8 images are used for "Lightweight" mode, which requires a controller for management.
Supports Hardware-assisted AES or TKIP encryption, WPA2, and IEEE 802.11i standards. C1130-k9w7-tar.124-3g.JA1.tar
Finally, the extension indicates the file format. A TAR file (Tape Archive) is a consolidated archive format commonly used in Unix and Linux environments, which forms the basis of Cisco IOS. For access points, this tarball usually contains the IOS image along with a directory structure of supporting files, such as HTML files for the web-based GUI (Device Manager) and help files. The deployment of a .tar file typically involves an archive download command, which extracts the image and installs it into the flash memory of the access point. This differs from a simple .bin file, which is a raw executable image, highlighting that this release packages a complete operational environment. The k9w7 designation indicates the Autonomous IOS