1.\" $OpenBSD: le.4,v 1.4 2007/05/31 19:19:55 jmc Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the Systems Programming Group of the University of Utah Computer 8.\" Science Department. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" from: @(#)le.4 8.2 (Berkeley) 11/30/93 35.\" 36.Dd $Mdocdate: May 31 2007 $ 37.Dt LE 4 luna88k 38.Os 39.Sh NAME 40.Nm le 41.Nd AMD LANCE Ethernet device 42.Sh SYNOPSIS 43.Cd "le0 at mainbus0" 44.Sh DESCRIPTION 45The 46.Nm le 47interface provides access to a 10 Mb/s Ethernet network via the 48.Tn AMD 497990 50.Tn LANCE 51Ethernet chip set. 52.Pp 53The use of ``trailer'' encapsulation to minimize copying data on 54input and output is supported by the interface but offers no advantage 55due to the large 56.Tn HP 57page size. 58The use of trailers is negotiated with 59.Tn ARP . 60This negotiation may be disabled, on a per-interface basis, 61by setting the 62.Dv IFF_NOTRAILERS 63flag with an 64.Dv SIOCSIFFLAGS 65.Xr ioctl 2 . 66.Sh SEE ALSO 67.Xr arp 4 , 68.Xr ifmedia 4 , 69.Xr inet 4 , 70.Xr intro 4 , 71.Xr netintro 4 , 72.Xr hostname.if 5 , 73.Xr ifconfig 8 74