---
name: "rlphy"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/rlphy"
---

# rlphy(4)

Realtek 8139/8201L Ethernet PHY

## NAME

**rlphy** – Realtek 8139/8201L Ethernet PHY

## SYNOPSIS

**rlphy\* at mii?**

## DESCRIPTION

The **rlphy** driver supports the internal physical layer interface (PHY) found on Realtek Semiconductor RTL8139 based Ethernet adapters, the Realtek Semiconductor RTL8201L Ethernet PHY chip and the IC Plus Corp IP101 Ethernet PHY chip.

## SEE ALSO

[ifmedia(4)](/ifmedia/4.md), [intro(4)](/intro/4.md), [mii(4)](/mii/4.md), [ifconfig(8)](/ifconfig/8.md)