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837f5da854
Add a warning about the Symbol LA-4100 series of cards. You gotta load special firmware, and the wi driver in the tree doesn't support that yet.
357 lines
12 KiB
Groff
357 lines
12 KiB
Groff
.\" Copyright (c) 1997, 1998, 1999
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.\" Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Bill Paul.
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.\" 4. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\" $OpenBSD: wi.4tbl,v 1.14 2002/04/29 19:53:50 jsyn Exp $
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.\"
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.\" DO NOT MAKE CHANGES TO THIS FILE WITHOUT AT LEAST SENDING DIRECT
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.\" MAIL TO imp@village.org AS HE IS TRYING TO KEEP THIS FILE IN SYNC
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.\" WITH OPENBSD.
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.Dd July 30, 2002
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.Dt WI 4
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.Os
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.Sh NAME
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.Nm wi
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.Nd "WaveLAN/IEEE, PRISM-II and Spectrum24 802.11DS wireless network driver"
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.Sh SYNOPSIS
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.Cd "device wi"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for wireless network adapters based around
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the Lucent Hermes, Intersil PRISM-II, Intersil PRISM-2.5, and Symbol
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Spectrum24 chipsets.
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All four chipsets provide a similar interface to the driver.
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.Pp
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All host/device interaction is via programmed I/O.
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Supported features include 802.11 and 802.3 frames, power management, BSS,
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IBSS, WDS and old-style Lucent ad-hoc operation modes.
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Cards based on the Intersil PRISM-II and PRISM-2.5 chips also support a
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host-based access point mode which allows a card to act as a normal access
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point (with some assistance from the
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.Nm
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driver).
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The Lucent Hermes and Symbol Spectrum24 chipsets do not contain this
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functionality.
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PRISM-II and PRISM-2.5 chips do not support the WDS functionality.
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.Pp
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The
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.Nm
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driver encapsulates all IP and ARP traffic as 802.11 frames, however
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it can receive either 802.11 or 802.3 frames.
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Transmit speed is selectable between 1Mbps fixed, 2Mbps fixed, 2Mbps
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with auto fallback, 5.5Mbps, 8Mbps, or 11Mbps depending on your hardware.
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The Lucent WaveLAN/IEEE Silver and Gold cards as well as the Intersil
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and Symbol cards have support for WEP encryption.
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The WaveLAN Gold as well as newer Intersil and Symbol cards support
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104bit keys, the others only accept 40bit keys.
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The Lucent WaveLAN/IEEE Bronze cards do not support WEP at all.
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To enable encryption, use the
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.Xr wicontrol 8
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utility to set your keys, or use
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.Xr ifconfig 8
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as shown below.
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.Pp
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By default, the
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.Nm
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driver configures the card for BSS operation (aka infrastructure
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mode).
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This mode requires the use of an access point (base station).
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.Pp
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The
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.Nm
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driver also supports an point-to-point mode where the ssid is
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ignored and stations can communicate amongst themselves without the
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aid of an access point.
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Note that there are two possible point-to-point modes.
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One mode, referred to as
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.Dq "ad-hoc demo mode" ,
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or
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.Dq "legacy Lucent ad-hoc mode" ,
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predates the IEEE 802.11 specification and so may not interoperate
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with cards from different vendors.
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The standardized point-to-point mode, is called IBSS (or confusingly
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just ad-hoc mode), but is not supported by cards with very old
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firmware revisions.
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If your cards supports IBSS mode, it is recommended that you use it in
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preference to the
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.Dq "ad-hoc demo mode"
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in new installations.
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.Pp
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Cards based on the Intersil PRISM-II and PRISM-2.5 chips also
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have a host-based access point mode which allows the card to
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act as an access point (base station).
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Access points are different than operating in IBSS mode.
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They operate in BSS mode.
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They allow for easier roaming and bridge all ethernet traffic such
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that machines connected via an access point appear to be on the local
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ethernet segment.
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.Pp
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For more information on configuring this device, see
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.Xr ifconfig 8 .
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.Pp
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Cards supported by the
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.Nm
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driver come in a variety of packages, though the most common
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are of the PCMCIA type.
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In many cases, the PCI version of a wireless card is simply
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a PCMCIA card bundled with a PCI adapter.
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The PCI adapters come in two flavors: true PCMCIA bridges and
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dumb PCMCIA bridges.
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A true PCMCIA bridge (such as those sold by Lucent) will attach
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as a real PCMCIA controller.
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The wireless card will then attach to the PCMCIA bus.
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Wireless cards in PCMCIA slots may be inserted and ejected on the fly.
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.Pp
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A dumb bridge, on the other hand, does not show up as a true PCMCIA bus.
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The wireless card will simply appear to the host as a normal PCI
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device and will not require any PCMCIA support.
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Cards in this type of adapter should only be removed when the
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machine is powered down.
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.Pp
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The following cards are among those supported by the
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.Nm
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driver:
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.Pp
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.Bl -column -compact "Linksys Instant Wireless WPC11 2.5" "Spectrum24" "PCI or PCMCIA"
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.Em "Card Chip Bus"
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3Com AirConnect 3CRWE737A Spectrum24 PCMCIA
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3Com AirConnect 3CRWE777A Prism-II PCI
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ACTIONTEC HWC01170 Prism-2.5 PCMCIA
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Addtron AWP-100 Prism-II PCMCIA
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Adtec Adlink/340C Prism-II PCMCIA
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Agere Orinoco Hermes PCMCIA
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Avaya Wireless Prism-II PCMCIA
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Blue Concentric Circle WL-379F PRISM-II CF
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BreezeNet Wireless Prism-II PCMCIA
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Buffalo WLI-PCM-S11 Prism-II PCMCIA
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Buffalo WLI-PCM-L11G Hermes PCMCIA
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Buffalo WLI-CF-S11G Prism-II CF
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Cabletron RoamAbout Hermes PCMCIA
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Compaq Agency NC5004 Prism-II PCMCIA
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Compaq WL100 Prism-II PCMCIA
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Compaq WL110 Prism-II PCMCIA
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Compaq WL200 Prism-II PCMCIA
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Contec FLEXLAN/FX-DS110-PCC Prism-II PCMCIA
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Corega PCC-11 Prism-II PCMCIA
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Corega PCCA-11 Prism-II PCMCIA
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Corega PCCB-11 Prism-II PCMCIA
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Corega CGWLPCIA11 Prism-II PCI
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Dell TrueMobile 1150 Hermes PCMCIA
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Dlink DWL520 Prism-2.5 PCI
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Dlink DWL650 Prism-2.5 PCMCIA
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ELSA XI300 Prism-II PCMCIA
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ELSA XI800 Prism-II CF
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EMTAC A2424i Prism-II PCMCIA
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Ericsson Wireless LAN CARD C11 Spectrum24 PCMCIA
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Farallon Skyline Prism-II PCMCIA
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Gemtek WL-311 Prism-2.5 PCMCIA
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Hawking Technology WE110P Prism-2.5 PCMCIA
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Home Wireless Networks Prism-II PCMCIA
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IBM High Rate Wireless Hermes PCMCIA
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ICOM SL-1100 Prism-II PCMCIA
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I-O DATA WN-B11/PCM Prism-II PCMCIA
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Intel PRO/Wireless 2011 Spectrum24 PCMCIA
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Intersil Prism II Prism-II PCMCIA
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Intersil Mini-PCI Prism-2.5 PCI
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Linksys Instant Wireless WPC11 Prism-II PCMCIA
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Linksys Instant Wireless WPC11 2.5 Prism-2.5 PCMCIA
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Linksys Instant Wireless WPC11 3.0 Prism-3 PCMCIA
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Lucent WaveLAN Hermes PCMCIA
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Melco Airconnect Prism-II PCMCIA
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NANOSPEED ROOT-RZ2000 Prism-II PCMCIA
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NDC/Sohoware NCP130 Prism-II PCI
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NEC CMZ-RT-WP Prism-II PCMCIA
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NEC PK-WL001 Prism-II PCMCIA
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NEC PC-WL/11C PRISM-II PCMCIA
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Netgear MA401 Prism-II PCMCIA
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NTT-ME 11Mbps Wireless LAN Prism-II PCMCIA
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Planex GeoWave/GW-NS110 Prism-II PCMCIA
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Planex GW-NS11H Prism-II PCMCIA
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Proxim Harmony Prism-II PCMCIA
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Proxim RangeLAN-DS Prism-II PCMCIA
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Samsung MagicLAN SWL-2000N Prism-II PCMCIA
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SMC 2602 EZ Connect (3.3V) Prism-II PCI or PCMCIA
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SMC 2632 EZ Connect Prism-II PCMCIA
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Socket Low Power WLAN-CF Prism-II CF
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Sony PCWA-C100 Lucent PCMCIA
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Symbol Spectrum24 Spectrum24 PCMCIA
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Symbol LA-4100 Spectrum24 CF
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TDK LAK-CD011WL Prism-II PCMCIA
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Toshiba Wireless LAN Card Prism-II PCMCIA
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U.S. Robotics Wireless Card 2410 Prism-II PCMCIA
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.El
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.Pp
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Several vendors sell PCI adapters built around the PLX Technology 9050
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or 9052 chip.
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The following such adapters are supported or expected to work:
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.Pp
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.Bl -tag -compact
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.It 3Com AirConnect 3CRWE777A (3.3V)
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.It Belkin F5D6000 (a rebadged WL11000P)
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.It Eumitcom WL11000P
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.It Global Sun Technology GL24110P (untested)
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.It Global Sun Technology GL24110P02
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.It LinkSys WDT11 (a rebadged GL24110P02)
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.It Netgear MA301
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.It US Robotics 2415 (rebadged WL11000P)
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.El
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.Sh EXAMPLES
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The following examples utilize
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.Xr ifconfig 8
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for simplicity, however,
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.Xr wicontrol 8
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can also be used to set wireless parameters.
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.Pp
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Join an existing BSS network (ie: connect to an access point):
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.Pp
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.Dl "ifconfig wi0 inet 192.168.0.20 netmask 0xffffff00"
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.Pp
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Join a specific BSS network with network name
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.Dq Li my_net :
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.Pp
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.Dl "ifconfig wi0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net"
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.Pp
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Join a specific BSS network with WEP encryption:
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.Bd -literal -offset indent
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ifconfig wi0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e
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wepkey 0x8736639624
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.Ed
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.Pp
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Join a Lucent legacy demo ad-hoc network with network name
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.Dq Li my_net :
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.Bd -literal -offset indent
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ifconfig wi0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e
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mediaopt adhoc
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.Ed
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.Pp
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Create an IBSS network with network name
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.Dq Li my_net :
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.Bd -literal -offset indent
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ifconfig wi0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e
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mediaopt ibss-master
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.Ed
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.Pp
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.Em Note :
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The infrastructure for
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.Cm mediaopt ibss-master
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has not been committed yet.
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.Pp
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Join an IBSS network with network name
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.Dq Li my_net :
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.Bd -literal -offset indent
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ifconfig wi0 inet 192.168.0.22 netmask 0xffffff00 ssid my_net \e
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mediaopt ibss
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.Ed
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.Pp
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.Em Note :
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The infrastructure for
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.Cm mediaopt ibss
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has not been committed yet.
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.Pp
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Create a host-based access point (Prism only):
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.Bd -literal -offset indent
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ifconfig wi0 inet 192.168.0.10 netmask 0xffffff00 ssid my_ap \e
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mediaopt hostap
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.Ed
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.Pp
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Create a host-based access point with WEP enabled (Prism only):
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.Bd -literal -offset indent
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ifconfig wi0 inet 192.168.0.10 netmask 0xffffff00 ssid my_ap \e
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wepkey 0x1234567890 mediaopt hostap
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.Ed
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.Pp
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Create a host-based wireless bridge to fxp0 (Prism only):
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.Bd -literal -offset indent
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Add BRIDGE to the kernel config.
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ifconfig wi0 inet up ssid my_ap mediaopt hostap
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sysctl net.link.ether.bridge=1
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sysctl net.link.ether.bridge_cfg="wi0 fxp0"
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sysctl net.inet.ip.forwarding=1
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.Ed
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.Pp
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This will give you approximately the same functionality as an access
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point.
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "wi%d: init failed"
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The WaveLAN card failed to come ready after an initialization command
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was issued.
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.It "wi%d: failed to allocate %d bytes on NIC"
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The driver was unable to allocate memory for transmit frames in the
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NIC's on-board RAM.
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.It "wi%d: device timeout"
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The WaveLAN failed to generate an interrupt to acknowledge a transmit
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command.
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.El
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.Sh SEE ALSO
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.Xr an 4 ,
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.Xr arp 4 ,
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.Xr netintro 4 ,
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.Xr ifconfig 8 ,
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.Xr wicontrol 8
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.Rs
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.%T HCF Light programming specification
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.%O http://www.wavelan.com
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.Re
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Fx 3.0 .
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.Sh AUTHORS
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The
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.Nm
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driver was written by
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.An Bill Paul Aq wpaul@ctr.columbia.edu .
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This man page comes from
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.Ox .
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.Sh CAVEATS
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The original Lucent WaveLAN cards usually default to channel 3;
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newer cards use channel 10 by default.
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Non-Lucent cards vary, for instance the Addtron cards use channel
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11 by default.
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Different regulatory domains have different default channels.
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See
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.Xr wicontrol 8
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for information on how to change the channel.
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.Pp
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IBSS creation does not currently work with Symbol cards.
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.Pp
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Prism2 host-based access point mode has bugs for firmware versions
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prior to 0.8.3.
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.Pp
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Lucent cards prior to firmware version 6.0.4 do not support ibss
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mode.
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.Pp
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Symbol LA-4100 series CF cards need firmware downloaded into their RAM
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before they will function.
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This functionality is not presently in FreeBSD's wi driver.
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