Intel PRO/Wireless 2100 IEEE 802.11b wireless network
ipw* at pci?
driver provides support for the Intel
PRO/Wireless 2100 Mini PCI network adapter.
These are the modes the
- BSS mode
- Also known as infrastructure mode, this is
used when associating with an access point, through which all traffic
passes. This mode is the default.
- IBSS mode
- Also known as IEEE ad-hoc mode or
peer-to-peer mode. This is the standardized
method of operating without an access point. Stations associate with a
service set. However, actual connections between stations are
- monitor mode
- In this mode the driver is able to receive packets without associating
with an access point. This disables the internal receive filter and
enables the card to capture packets from networks which it wouldn't
normally have access to, or to scan for access points.
driver can be configured to use Wired
Equivalent Privacy (WEP) or Wi-Fi Protected Access (WPA-PSK and WPA2-PSK). WPA
is the current encryption standard for wireless networks. It is strongly
recommended that WEP not be used as the sole mechanism to secure wireless
communication, due to serious weaknesses in it. The
driver relies on the software 802.11
stack for both encryption and decryption of data frames.
driver can be configured at runtime
or on boot
The driver needs at least version 1.3 of the following firmware files, which are
loaded when an interface is brought up:
These firmware files are not free because Intel refuses to grant distribution
rights without contractual obligations. As a result, even though
includes the driver, the firmware files cannot
be included and users have to find these files on their own. The official
person to state your views to about this issue is
A prepackaged version of the firmware can be installed using
The following example scans for available networks:
# ifconfig ipw0 scan
The following hostname.if(5)
example configures ipw0 to join network “mynwid”, using WPA key
“mywpakey”, obtaining an IP address using DHCP:
nwid mynwid wpakey mywpakey
- ipw0: device timeout
- The driver will reset the hardware. This should not happen.
- ipw0: error N, could not read firmware ...
- For some reason, the driver was unable to read the firmware image from the
filesystem. The file might be missing or corrupted.
driver first appeared in
driver was written by