Cisco-usbconsole-driver-3-1.zip |verified| -
Here’s a quick guide on how to get it running and what to do if you hit a snag.
When the USB console port is in use, the traditional RJ-45 console port is typically deactivated.
# On Linux (no driver needed, just identify the port) screen /dev/ttyUSB0 9600 Cisco-usbconsole-driver-3-1.zip
Published: April 25, 2026 Category: Network Infrastructure, Drivers, Cisco CLI
: Most Cisco devices prioritize the USB console port over the RJ-45 console port. If both are plugged in, the RJ-45 port is usually disabled. Driver Errors Here’s a quick guide on how to get
Ensure the RJ45 console port is completely unplugged, as a physical connection there can block the USB interface. If the issue persists, power-cycle the Cisco hardware with the USB cable pre-connected.
The cisco-usbconsole-driver-3-1.zip package contains the necessary drivers to allow a computer to interface with the or the mini-USB console port found on many Cisco routers, switches, and firewalls. Unlike legacy console connections that required a physical RS-232 (DB-9) serial port, this driver creates a virtual serial COM port over USB. If both are plugged in, the RJ-45 port is usually disabled
Traditional Cisco networking devices rely on the classic RJ45 rollover console port, which requires a specialized DB9-to-RJ45 cable and a hardware serial port (or a USB-to-RS232 adapter). Modern Cisco switches, routers, and firewalls feature an integrated Type-B USB or USB-C console port alongside the traditional RJ45 port. Why Use the USB Console?
Open the on your Windows PC. Look under Ports (COM & LPT) . You should see an entry labeled: Cisco USB Console Windows Driver (COMx)