1.\" Copyright (c) 1992, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This software was developed by the Computer Systems Engineering group 5.\" at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 6.\" contributed to Berkeley. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. All advertising materials mentioning features or use of this software 17.\" must display the following acknowledgement: 18.\" This product includes software developed by the University of 19.\" California, Berkeley and its contributors. 20.\" 4. Neither the name of the University nor the names of its contributors 21.\" may be used to endorse or promote products derived from this software 22.\" without specific prior written permission. 23.\" 24.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" from: Header: le.4,v 1.2 92/10/13 05:31:33 leres Exp 37.\" from: @(#)le.4 8.1 (Berkeley) 6/9/93 38.\" $NetBSD: ec.4,v 1.2 2002/01/15 02:00:43 wiz Exp $ 39.\" 40.Dd August 16, 2001 41.Dt EC 4 sun2 42.Os 43.Sh NAME 44.Nm ec 45.Nd 3Com 3c400 Multibus Ethernet interface driver 46.Sh SYNOPSIS 47.Cd "ec0 at mbmem0 addr 0xe0000 ipl 3" 48.Cd "ec1 at mbmem0 addr 0xe2000 ipl 3" 49.Sh DESCRIPTION 50The 51.Nm 52interface provides access to the 10 Mb/s 53.Tn Ethernet 54network via the 55.Tn 3Com 563c400 Ethernet chip set. 57.Pp 58Each of the host's network addresses is specified at boot time with an 59.Dv SIOCSIFADDR 60.Xr ioctl 2 . 61The 62.Nm 63interface employs the Address Resolution Protocol described in 64.Xr arp 4 65to dynamically map between Internet and 66.Tn Ethernet 67addresses on the local network. 68.Sh SEE ALSO 69.Xr arp 4 , 70.Xr ie 4 , 71.Xr inet 4 , 72.Xr intro 4 73