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RUT955 Wireless: Difference between revisions

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==Summary==
{{Template:Networking_rut9xx_rut2xx_manual_wireless
 
| name                       = RUT955
The '''Wireless''' section of the Network tab can be used to manage and configure WiFi Access Points (AP) and WiFi Stations (STA). This chapter of the user manual is an overview of the Wireless section of RUTxxx routers.
| series                    = RUT9xx
 
}}
==Wireless technology==
 
RUTxxx routers support IEEE 802.11b/g/n and 802.11e_WMM wireless technologies. More information on IEEE 802.11b/g/n can be seen '''[[802.11e WMM|here]]'''.
 
==Wireless Configuration==
 
The '''Wireless configuration''' window provides you with the possibility to configure your wireless access points and wireless stations. The Wireless Station Mode will become active only when WiFi is configured as an active WAN interface (either main or backup).
 
[[Image:Network wireless configuration.PNG]]
 
Above is the overview of the Wireless Configuration window. It displays active access points and stations. Here you can disable or enable your WiFi interfaces, remove unwanted access points or stations or enter a configuration window for each WiFi interface, where you can configure it more thoroughly.
 
==Wireless Access Point==
 
The Wireless Access Point configuration window is used to make changes to different access points. It is divided into two main sections – device and interface. One is dedicated to configuring hardware parameters, the other – software. To access this window, simply click the '''edit''' button next to the WiFi interface that you wish to configure:
 
[[Image:Network wireless configuration edit.PNG]]
 
===Device Configuration===
----
The '''Device Configuration''' section is used for configuring WiFi hardware parameters.
 
====General Setup====
----
The '''General Setup''' tab is used to '''Enable''' or '''Disable''' an Access Point and to select the wireless channel used by the Access Point.
 
Choose a WiFi channel according to the busyness of other channels. While RUT devices do not provide a function that lets you monitor the usage of nearby WiFi channels, you can download a free WiFi analyzer app on your phone, laptop or other WiFi device. In most countries there are 13 WiFi channels on the 2.4 GHz band (14 in Japan) to choose from. RUT routers' WiFi works on the 2.4 GHz band. A wireless 2.4 GHz WiFi channel requires a signaling band roughly 22 MHz wide, radio frequencies of neighboring channels numbers significantly overlap each other. Many home networks utilize routers that by default run on channel 6 on the 2.4 GHz band. Neighboring WiFi home networks that run over the same channel generate radio interference that can cause significant network performance slowdowns for users. Reconfiguring a network to run on a different wireless channel helps minimize these slowdowns. Therefore, pick a channel with no other active Access Points and preferably one that has no active Access Point on two adjacent channels on each side as well. If you don't feel like doing this, set the '''Channel''' field to '''Auto''' and the router will pick the least busy channel in your location automatically.
 
[[Image:Network wireless device general.PNG]]
 
====Advanced Setup====
----
The '''Advanced Setup''' tab is used to configure how the wireless Access Point will work from a hardware perspective.
 
[[Image:Network wireless device advanced.PNG]]
 
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>Mode</td>
      <td>Auto {{!}} 802.11b {{!}} 802.11g {{!}} 802.11g+n; Default: '''802.11g+n'''</td>
      <td>Wireless protocol used. Different modes provide different wireless standard support which directly impacts the radio's throughput performance</td>
    </tr>
    <tr>
      <td>HT mode</td>
      <td>20 MHz {{!}} 40 MHz 2nd channel above; Default: '''20 MHz'''</td>
      <td>HT (High Throughput) mode allows you to specify channel width. 40 MHz bandwidth provides better performance but it overlaps 4 adjacent channels on each side, therefore, it might overlap with many other Access Points working in those channels. If that is the case, the router will switch back to 20 MHz mode automatically to reduce interference. 40 MHz is only available if the selected channel is not '''Auto'''</td>
    </tr>
    <tr>
    <td>Country code</td>
        <td>country code; Default: '''0 - World'''</td>
        <td>SO/IEC 3166 alpha2 country codes as defined in ISO 3166-1 standard</td>
    </tr>
    <tr>
    <td>Transmit power</td>
        <td>100 % {{!}} 80 % {{!}} 60 % {{!}} 40 % {{!}} 20 %; Default: '''100 %'''</td>
        <td>WiFi signal power. Use lower power to reduce the router's CPU usage</td>
    </tr>
    <tr>
    <td>Fragmentation threshold</td>
        <td>integer [256..2346]; Default: " "</td>
        <td>The smallest packet size that can be fragmented and transmitted by multiple frames. In areas were interference is a problem, setting a lower fragment threshold might help reduce the probability of unsuccessful packet transfers, thus increasing speed</td>
    </tr>
    <tr>
    <td>RTS/CTS threshold</td>
        <td>integer [0..2347]; Default: " "</td>
        <td>RTS/CTS (Request to Send/Clear to Send) are mechanisms, used to reduce frame collisions introduced by the hidden node problem. It can help resolve problems arising when several access points are in the same area, contending</td>
    </tr>
</table>
 
===Interface Configuration===
----
The '''Interface Configuration''' section is used to configure wireless Access Points from the software perspective.
 
====General Setup====
----
The '''General Setup''' tab contains only two options. '''SSID''' is the name of your WiFi interface. When other WiFi capable computers or devices scan the area for WiFi networks they will see your network with this name. '''Hide SSID''' is used to make your Access Point invisible to other devices. To use a hidden WiFi Access Point, first un-hide it, connect your device to it, then hide it again.
 
[[Image:Network wireless interface general.PNG]]
 
====Wireless Security====
----
The '''Wireless Security''' tab is used to determine what kind of encryption your WLAN will use.
 
=====WPA=====
----
[[Image:Network wireless interface security wpa.PNG]]
 
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>Encryption*</td>
      <td>No encryption {{!}} WPA-PSK {{!}} WPA2-PSK {{!}} WPA-PSK/WPA2-PSK mixed mode; Default: '''No encryption'''</td>
      <td>The type of WiFi encryption used </td>
    </tr>
    <tr>
      <td>Cipher</td>
      <td>Auto {{!}} Force CCMP (AES) {{!}} Force TKIP {{!}} Force TKIP and CCMP (AES); Default: '''Auto'''</td>
      <td>An algorithm for performing encryption or decryption</td>
    </tr>
    <tr>
    <td>Key</td>
        <td>string; Default: " "</td>
        <td>A custom passphrase used for authentication (at least 8 characters long)</td>
    </tr>
</table>
 
=====WPA-Enterprise (WPA-EAP, WPA2-EAP)=====
----
The '''Enterprise variants''' of WPA and WPA2 use a RADIUS server for authentication purposes instead of a password(s).
 
[[File:Network wireless interface security enterprise wpa.png]]
 
 
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>Encryption*</td>
      <td>No encryption {{!}} WPA-PSK {{!}} WPA2-PSK {{!}} WPA-PSK/WPA2-PSK mixed mode; Default: '''No encryption'''</td>
      <td>The type of WiFi encryption used </td>
    </tr>
    <tr>
      <td>Cipher</td>
      <td>Auto {{!}} Force CCMP (AES) {{!}} Force TKIP {{!}} Force TKIP and CCMP (AES); Default: '''Auto'''</td>
      <td>An algorithm for performing encryption or decryption</td>
    </tr>
    <tr>
    <td>Radius Server IP</td>
        <td>host {{!}} ip; Default: " "</td>
        <td>RADIUS server's IP address or host name</td>
    </tr>
    <tr>
    <td>Radius Server Port</td>
        <td>integer [0..65535]; Default: " "</td>
        <td>The port number used for connection to the RADIUS server</td>
    </tr>
    <tr>
    <td>Radius Server Secret</td>
        <td>string; Default: " "</td>
        <td>A case-sensitive shared secret used for authentication on both RADIUS devices</td>
    </tr>
</table>
 
====MAC Filter====
----
The '''MAC Filter''' tab is used for setting up rules that allow or exclude devices with specified MAC addresses from connecting to your WiFi network.
 
[[Image:Network wireless interface mac.PNG]]
 
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>MAC address filter</td>
      <td>Disable {{!}} Allow listed only {{!}} Allow all except listed; Default: '''Disable'''</td>
      <td>'''Allow listed only''' – only allows devices with MAC addresses specified in the MAC list to connect to your WiFi network <br>
'''Allow all except listed''' -  blocks devices with MAC addresses specified in the MAC list from connecting to your WiFi network</td>
    </tr>
    <tr>
      <td>MAC</td>
      <td>mac; Default: " "</td>
      <td>List of MAC addresses to be included or excluded from connecting to your WiFi network</td>
    </tr></table>
 
====Advanced Settings====
----
[[Image:Network wireless interface advanced.PNG]]
 
<table class="nd-mantable">
    <tr>
        <th>field name</th>
      <th>value</th>
      <th>description</th>
    </tr>
    <tr>
      <td>Separate clients</td>
      <td>yes {{!}} no; Default: '''no'''</td>
      <td>Prevents WiFi clients from communicating with each other on the same subnet</td>
    </tr>
    <tr>
      <td>Increase TTL packet size </td>
      <td>yes {{!}} no; Default: '''no'''</td>
      <td>Increase TTL packet size for incoming packets</td>
    </tr>
</table>
 
==Wireless Station==
 
RUT955 can also work as a WiFi client. Configuring client mode is nearly identical to AP, except for the fact that most of the options are dictated by the wireless access point that the router is connecting to. Changing them can result in an interrupted connection to that AP.
 
In addition to standard options you can also click the '''Scan''' button to rescan the surrounding area and attempt to connect to a new wireless access point.
 
[[Image:Network wireless station step1.PNG]]
 
 
After which you will be redirected to the window shown below.
 
 
[[Image:Network wireless station step2.PNG]]
 
 
Pressing '''Start scan''' will initiate a scan for available WiFi Access Points in the area. After the scan finishes, you will see a list of these Access points. Choose one according to your liking and press the '''Join Network''' button next to it.
 
 
[[Image:Network wireless station step3.PNG]]
 
[[Category:RUT955 WebUI]]
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