Upd — Asr9xxusbconsoledriverszip

Connect a cable (for most ASR 900 models) between your PC and the router's USB console port.

He found an old bookmark pointing to a decommissioned Cisco support mirror. The link was dead. He tried a cached version of a Russian networking forum. There, buried in a thread from 2022, was a link labeled simply: UPD: ASR9XX_USB_Drivers_Final.zip asr9xxusbconsoledriverszip upd