If you are looking for the virtual image for labs in EVE-NG, GNS3, or PNETLab, Official Download Path
Before optimizing the download, you must understand the target. The filename is not random; it is a structured Cisco nomenclature: cat9kvprd171001prd7qcow2 download better
Support for BGP and enterprise networking protocols. If you are looking for the virtual image
If you meant a different “better” (like compression, chunking, or parallel downloads), let me know and I can tailor the story further. or parallel downloads)