Wireless Network With Linksys WRT54G Wireless-G Router.


My sister has bought me a Linksys WRT54G wireless router from Singapore. Price was SGD$76, quite a bargain comparing to price in Malaysia. Details and specs can be found here.

Along with TM Net Streamyx subscription, I am entitled to get a free ADSL modem/router - Billion BiPAC 5112S, which info is not yet to be found on the Internet, including the manufacturer’s site billion.com. Again, my “compliment” to TM Net.

My setup is, BiPAC 5112S ADSL Modem becomes the bridge, connected with the incoming phone line and LAN cable to the WRT54G router. I did not change anything in the modem, except connecting the cables and DC power externally, all settings should be done in the WTR54G router.

Once everything is connected in place, don’t switch on the power first. Insert the installation CD came along with WRT54G router into your computer. The instructions should be pretty straight forward, you be asked to set password for the router, and the login details for your PPPoE connection.

After finished with the installation CD, there are still several settings to be done. Since my desktop has no wireless network card, I’m using normal LAN cable to connect it to the router. Let’s start with the router’s configuration.

WRT54G Configurations

My firmware version is v7.00.1 by default.

  1. Turn on DHCP server
    In Setup -> Basic Setup -> Network Address
    Server Settings (DHCP)

    DHCP Settings
    Enable the DHCP server to have local IP dynamically assigned to your machines upon client request. This way you can save times to set static IP for each machine. Starting IP Address will be the first IP being assigned to network clients. Maximum Number of DHCP Users is the maximum connection allowed into the DHCP server. In my case here, DHCP server will assign local IP 192.168.1.20 - 24 for any 5 machines connecting in. Static DNS is acquired from your ISP.
  2. Setting Wireless Security
    In Wireless -> Wireless Security
    Wireless Settings
    I’m using “WEP” as Security Mode. Default Transmit Key is set to 1 as default. WEP Encryption is set to 64Bits 10 Hex Digits. Passphrase is your desired string, simply input a string inside then click on “Generate”, it will generate 4 pairs of 10 hex digits for you. If the Default Transmit Key is set to 1, you need to use Key 1 as the network key. Alternatively, you can turn off Wireless security if you trust your neighbors ;)
  3. Port Forwading
    In Applications & Gaming -> Port Range Forward
    Port Forwarding
    Portforwarding is done in this section. I’m going to open port for Azureus on my Debian desktop. Both TCP and UDP protocols are required for Bit Torrent.

Client Machines Configurations

  1. Wireless Client
    This is going to be my IBM-T42 laptop with Windows XP Pro. The system automatically detected the wireless network, all you need to do is type in the network key, the value of “Key 1” in Wireless -> Wireless Security of the router.

    Now on the desktop, right click on “My Network Places“, select “Properties“, right click on the “Wireless Network Connection“, and choose “Properties” again. Until you come to the window below.
    netconfig
    Highlight the detected network name, and click on Properties. In the “Authentication” tab, UNCHECK that checkbox of “Enable IEEE 802.1x authentication for this network“. Having this option on will cause the connection goes on and off non-stop, ultimate annoyance.

  2. Wired Client
    This is my Debian desktop. I’m going to use this machine for Bit Torrent downloads, so a static IP is required. In previous router setting, I’ve set the DHCP dynamic IP starting from 192.168.1.20, so for this debian desktop, I’m going to set its IP to 192.168.1.10 to avoid any conflict. Edit /etc/network/interfaces

    Codes:

    #The primary network interface
    iface eth0 inet static
              address 192.168.1.10
              netmask 255.255.255.0
              network 192.168.1.0
              broadcast 192.168.1.255
              gateway 192.168.1.1

    Restart the network service on debian with “/etc/init.d/networking restart

    That’s all about my home wireless network setup, so far it’s working stably without any interruptions. Any idea to share with me?

    P/S: If you also have Billion BiPAC 5112S ADSL modem, please get in touch with me.

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