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URE(4) Device Drivers Manual URE(4)

ure — Realtek RTL8152/RTL8153/RTL8156/RTL8157/RTL8159 10/100/1Gb/2.5Gb/5Gb/10Gb USB Ethernet device

ure* at uhub?
rgephy* at mii?
rlphy* at mii?

The ure driver provides support for USB Ethernet adapters based on the Realtek RTL8152, RTL8153, RTL8153B, RTL8153D, RTL8156, RTL8156B, RTL8157 and RTL8159 chipsets.

The RTL8152 contains an integrated Fast Ethernet MAC, which supports both 10 and 100Mbps speeds in either full or half duplex. The RTL8153, RTL8153B and RTL8153D have Gigabit Ethernet MACs and additionally support 1000Mbps speeds. NICs based on the RTL8156 and RTL8156B are capable of 10, 100, 1000 and 2500Mbps operation. The RTL8157 is a USB 3.0 device, which contains a 10/100/1Gb/2.5Gb/5Gb Ethernet MAC. The RTL8159 is a USB 3.2 device with a 10/100/1Gb/2.5Gb/5Gb/10Gb Ethernet MAC.

For more information on configuring this device, see ifconfig(8).

arp(4), ifmedia(4), mii(4), netintro(4), rgephy(4), rlphy(4), uhub(4), usb(4), hostname.if(5), ifconfig(8)

The ure device driver first appeared in OpenBSD 6.0.

The ure driver was written by Kevin Lo <kevlo@FreeBSD.org>.

RTL8159 adapters require firmware for 10Gb operation. The ure driver does not support loading this firmware.

OpenBSD-current October 7, 2026 URE(4)