uncm(4)

uncm4

Usb network control model ethernet device

Usage

uncm* at uhub?

Overview

The uncm driver provides support for USB Network Control Model (NCM) Ethernet devices, commonly used for USB tethering.

uncm should work with devices that provide USB tethering via NCM, such as most Android devices.

History

The uncm device driver first appeared in OpenBSD 8.1.

Authors

The uncm driver was written by Jan Schreiber ⟨[email protected]⟩ and is based on the umb(4) driver.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.