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. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: Header: le.4,v 1.2 92/10/13 05:31:33 leres Exp 33.\" from: @(#)le.4 8.1 (Berkeley) 6/9/93 34.\" $NetBSD: ec.4,v 1.3 2003/08/07 10:31:09 agc Exp $ 35.\" 36.Dd August 16, 2001 37.Dt EC 4 sun2 38.Os 39.Sh NAME 40.Nm ec 41.Nd 3Com 3c400 Multibus Ethernet interface driver 42.Sh SYNOPSIS 43.Cd "ec0 at mbmem0 addr 0xe0000 ipl 3" 44.Cd "ec1 at mbmem0 addr 0xe2000 ipl 3" 45.Sh DESCRIPTION 46The 47.Nm 48interface provides access to the 10 Mb/s 49.Tn Ethernet 50network via the 51.Tn 3Com 523c400 Ethernet chip set. 53.Pp 54Each of the host's network addresses is specified at boot time with an 55.Dv SIOCSIFADDR 56.Xr ioctl 2 . 57The 58.Nm 59interface employs the Address Resolution Protocol described in 60.Xr arp 4 61to dynamically map between Internet and 62.Tn Ethernet 63addresses on the local network. 64.Sh SEE ALSO 65.Xr arp 4 , 66.Xr ie 4 , 67.Xr inet 4 , 68.Xr intro 4 69