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| -rw-r--r-- | docs/wireless.tex | 118 |
1 files changed, 99 insertions, 19 deletions
diff --git a/docs/wireless.tex b/docs/wireless.tex index 6b3ffba..e6a81b8 100644 --- a/docs/wireless.tex +++ b/docs/wireless.tex @@ -1,8 +1,9 @@ The WiFi settings are configured in the file \texttt{/etc/config/wireless} (currently supported on Broadcom and Atheros). When booting the router for the first time -it should detect your card and create a sample configuration that looks like this: +it should detect your card and create a sample configuration file. By default '\texttt{option network lan}' is +commented. This prevents unsecured sharing of the network over the wireless interface. -\paragraph{Sample Broadcom wireless config:} +\paragraph{Generic Broadcom wireless config:} \begin{Verbatim} config wifi-device "wl0" @@ -11,41 +12,97 @@ config wifi-device "wl0" config wifi-iface option device "wl0" +# option network lan option mode "ap" option ssid "OpenWrt" option hidden "0" option encryption "none" \end{Verbatim} -\paragraph{Sample Atheros wireless config:} +\paragraph{Generic Atheros wireless config:} \begin{Verbatim} config wifi-device "wifi0" option type "atheros" option channel "5" - option mode "11g" + option mode "11g" config wifi-iface option device "wifi0" +# option network lan option mode "ap" option ssid "OpenWrt" option hidden "0" option encryption "none" \end{Verbatim} +\paragraph{Generic multi-radio Atheros wireless conifg:} + +\begin{Verbatim} +config wifi-device wifi0 + option type atheros + option channel 1 + +config wifi-iface + option device wifi0 +# option network lan + option mode ap + option ssid OpenWrt_private + option hidden 0 + option encryption none + +config wifi-device wifi1 + option type atheros + option channel 11 + +config wifi-iface + option device wifi1 +# option network lan + option mode ap + option ssid OpenWrt_public + option hidden 1 + option encryption none +\end{Verbatim} + There are two types of config sections in this file. The '\texttt{wifi-device}' refers to the physical wifi interface and '\texttt{wifi-iface}' configures a virtual interface on top of that (if supported by the driver). +A full outline of the wireless configuration file with description of each field: + +\begin{Verbatim} +config wifi-device wifi device name + option type broadcom, atheros + option country us, uk, fr, de, etc. + option channel 1-14 + option maxassoc 1-128 (broadcom only) + option distance 1-n + option mode 11b, 11g, 11a, 11bg (atheros only) + +config wifi-iface + option network the interface you want wifi to bridge with + option device wifi0, wifi1, wifi2, wifiN + option mode ap, sta, adhoc, or wds + option ssid ssid name + option bssid bssid address + option encryption none, wep, psk, psk2, wpa, wpa2 + option key encryption key + option key1 key 1 + option key2 key 2 + option key3 key 3 + option key4 key 4 + option server ip address + option port port + option hidden 0,1 + option isolate 0,1 +\end{Verbatim} + \paragraph{Options for the \texttt{wifi-device}:} \begin{itemize} \item \texttt{type} \\ The driver to use for this interface. - \item \texttt{mode} \\ - The frequency band (\texttt{b}, \texttt{g}, \texttt{bg}, \texttt{a}) - \item \texttt{country} \\ The country code used to determine the regulatory settings. @@ -53,13 +110,27 @@ of that (if supported by the driver). The wifi channel (e.g. 1-14, depending on your country setting). \item \texttt{maxassoc} \\ - Maximum number of associated clients + Optional: Maximum number of associated clients. This feature is supported only on the broadcom chipset. + + \item \texttt{distance} \\ + Optional: Distance between the ap and the furthest client in meters. This feature is supported only on the atheros chipset. + + \item \texttt{mode} \\ + The frequency band (\texttt{b}, \texttt{g}, \texttt{bg}, \texttt{a}). This feature is only supported on the atheros chipset. + \end{itemize} \paragraph{Options for the \texttt{wifi-iface}:} \begin{itemize} + \item \texttt{network} \\ + Selects the interface section from \texttt{/etc/config/network} to be + used with this interface + + \item \texttt{device} \\ + Set the wifi device name. + \item \texttt{mode} \\ Operating mode: @@ -78,35 +149,47 @@ of that (if supported by the driver). \end{itemize} - \item \texttt{network} \\ - Selects the interface section from \texttt{/etc/config/network} to be - used with this interface + \item \texttt{ssid} + Set the SSID to be used on the wifi device. + + \item \texttt{bssid} + Set the BSSID address to be used for wds to set the mac address of the other wds unit. \item \texttt{encryption} \\ Encryption setting. Accepts the following values: \begin{itemize} + \item \texttt{none} + \item \texttt{wep} \item \texttt{psk}, \texttt{psk2} \\ WPA(2) Pre-shared Key \item \texttt{wpa}, \texttt{wpa2} \\ WPA(2) RADIUS - \end{itemize} - \item \texttt{key} (wpa and psk) \\ - Either the WPA key (PSK mode) or the RADIUS shared secret (WPA RADIUS mode) + \item \texttt{key, key1, key2, key3, key4} (wep, wpa and psk) \\ + WEP key, WPA key (PSK mode) or the RADIUS shared secret (WPA RADIUS mode) \item \texttt{server} (wpa) \\ - The RADIUS server address + The RADIUS server ip address \item \texttt{port} (wpa) \\ The RADIUS server port + \item \texttt{hidden} \\ + 0 broadcasts the ssid; 1 disables broadcasting of the ssid + + \item \texttt{isolate} \\ + Optional: Isolation is a mode usually set on hotspots that limits the clients to communicate only with the AP and not with other wireless clients. + 0 disables ap isolation (default); 1 enables ap isolation. + \end{itemize} + \paragraph{Limitations:} +There are certain limitations when combining modes. Only the following mode combinations are supported: \begin{itemize} @@ -117,7 +200,7 @@ Only the following mode combinations are supported: \item 1x \texttt{adhoc} \end{itemize} - WDS links can only be used in pure AP mode and can't use WEP (except when sharing the + WDS links can only be used in pure AP mode and cannot use WEP (except when sharing the settings with the master interface, which is done automatically). \item \textbf{Atheros}: \\ @@ -126,7 +209,4 @@ Only the following mode combinations are supported: \item 1-4x \texttt{ap} \item 1x \texttt{adhoc} \end{itemize} - \end{itemize} - - |