Z-Com XG-762N manual

1 The User Guide of XG - 762N USB Linux Driver[...]

2 1. Introduction Because more and more people install the Linux operating system in the desktop and notebook, we provide the Linux solution of our XG - 762N 802.11 a+ b+g Wireless LAN Card. XG - 762N provides 802.11 a+ b+g wireless solution for USB interface. In our XG -762N solution, we can run in the Infrastructure (Managed), Ad - hoc or AP (Mas[...]

3 2. Building the device driver In this section, we will describe how to bu ild our XG - 762N Linux driver under the Linux operating system. 2.1 Package Extraction The first thing one should do is to uncompress this package by tar. After untar ing this package, you can see the source files . One should change directory into this directory for proce[...]

4 to install the driver. 2. 4 Build the debugging tool There are two debugging tools in this package, ¡° apdbg ¡± and ¡° menudbg ¡± . Run ¡° make debug ¡± to compile them both. If you don ¡¯ t have the ncurse library, you may get s ome error messages while compiling menudbg . You can ignore it and get apdbg only . make clean make XG -[...]

5 3. Getting Start 3.1 Load the driver Generally, the driver is automatically loaded when the XG - 762N dongle inserts. If not, o ne can use the modprobe ¨C v XG -762N to load our driver. In order to check whether our driver is loaded successfully, one can use the ¡° lsmod ¡± f or t hi s check. If our dri ver i s loaded successfully, the follo[...]

6 Example: iwconfig ethX channel <channel> The channel can vary from 1 to 14. One should note that, the set channel command will NOT work under the Managed (infr astructure mode). Because in the in this mode, the channel should change to channel of the AP we want to associate. rts[_threshold]: Set the RTS Threshold. Example: frag[_threshold]:[...]

7 Except for commands support for wireless extension, we also define some commands for us to set parameters to our driver. One can u se the ¡°i wpri v¡± for this purpose. 3.4.1 Set authentication type One can set the authentication to our driver by the following command: 0: Open System 1: Shared Key Be aware that shared key authentication requi[...]

8 The Cell Number is got from the site survey operation by the doing ¡°i wli st ¡± command. We recommend that user uses the following scenario under the Managed ( Infrastructure) or Adhoc mode. One can first do the site survey command by the following command: Then, associate with the AP with the Cell number got from the iwlist command. 3.4.7 D[...]

9 O r inactivate it. Or get its current state 3.5 Set up IP address If you use the RedHat distribution Linux, you can edit the /etc/sysconfig/network - scripts/ifcfg - ethX or edit the /etc/network/interfaces under the Debian to set up th e IP address on booting process. Or one can use the netconfig command for ip address setting. We provide two ty[...]

10 3. 6 Wo rking with Linux WPA supplicant Note: I do the following procedure in Fedora Core2, for other distribution package, you may need install additional libraries (ex. openssl) required to build the wpa supplicant.. 3. 6 .1 Setup the Linux wpa supplicant - Copy wpa_supplicant.tar.gz file into a subdirectory on Linux system(e.g:/root) . - Unzi[...]

11 description , you can refer to the original sample configuration file: wpa_supplicant.conf) wpa_supplicant_psk.conf to meet wpa - psk test condition. Sample settings for wpa - psk: Similarily, for wpa eap - tls and wpa peap, its sample setting block: For WPA EAP - TLS Note1: The fluffy.pem is created by: € openssl pkcs7 - in fluffy.p7c - infor[...]

12 Note2: You can run openssl utility (Included in openssl.zip) in Microsoft Windows OS. Note3: The detailed description, please refer to CertConvReadme.txt. (Located in lnx_wpa_supplicant.tar.gz) For WPA PEAP - After modifying, use the following command to setup WPA connection. If the XG - 762N is not open yet, please open it f irstly by command: [...]

13 note: @- i: interface name: eth1 @- c: Configuration file: wpa_supplicant_psk.conf @- D: The name of network interface. You will see the following message if wpa -p sk connection is built successfully. ... WPA: Sending EAPOL - Key 2/2 --- > The Group handshake is about to finish. ... EAPOL: SUPP_PAE entering state SUCCESS EAP: EAP entering st[...]

14 address of Station different. The command to specify association address is very simple : You must set the first byte = 01 to indicate this is for assoc iation address assignment only. The remainder XXXXXXXXXX is byte1 - byte5 of PC ¡¯ s MAC address. Now, you can set up a bridge and add both wired and wireless interface. Then, you can try to p[...]

15 4 . Turbo Mode This chapter describes h ow to enhance the performance by enabling the ZyDAS turbo mode. Turbo mode is a composition of Burst Mode and Large Packet Mode . You may known that the so - call ¡° Turbo M ode ¡± always has compatibility problems . In order to achieve the highest performance, you nee d to use the product s with same [...]

16 the last frame from that station is a large packet. Therefore, AP can accept station capable of large packet or not. In Station mode, You need to re - associate with the AP to update your Turbo Mode status . Y o u need to remind something in mind. Large packet needs to merge two frames into one. In other words, when there is only one frame in qu[...]

17 5 . Conclusion This document doesn¡¯t expl ai n ho w t o set up t he wir el ess LAN environment in detail. One may get some probl ems when setting up the wireless LAN environment. If you have any question about how to set up the environment, you can send an e- mail to us or find the solution on the network.[...]