Question about Linksys Wireless-G WRT54G Router

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Router MAC address

I believe a WRT54G has two MAC address's, one for wired and one for wireless. True? They differ by 2, Wired ends in nn:nn:nn:nn:nn:11, wireless ends in nn:nn:nn:nn:nn:13. Router says MAC:nn:nn:nn:nn:nn:12! How where do I change this?

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You can not change MAC addresses. They are set for each manufacturer. You will have a MAC for the WiFi module and a MAC for each switch port. That is actually how switching works between routers (yours and SBC's).

Most units allow you to spoof a MAC so your router can look like another device. For a Linksys that is in the management web page (usually under the advanced tab, then look for MAC addr. clone.

Hope this helps;)

Posted on Dec 31, 2007

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You cant change the mac addresses they are like our ss#'. You can how ever clone your pc's mac to your router. I have several differant routers that I use. one at a time to change my mac addresses.

Posted on Dec 31, 2007


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Posted on Jan 02, 2017

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My WRT54G wireless router does not connect to our laptops. The (4) wired ports work fine. What am I doing wrong?

Configuring a wired computer to get an IP address automatically will enable it to get an IP address from a DHCP server. Instead of manually entering the IP settings which will consume much time, performing this procedure will ensure that the computer will get the correct TCP/IP settings.
Configuring a computer to get an IP address automatically is useful when:
  • Connecting a computer to a network with a DHCP server. Ensuring that the computer is getting the correct TCP/IP settings.
To configure a computer to automatically get an IP address, you have to check the TCP/IP properties of the Ethernet Adapter installed on the computer. Follow the steps below for instructions.
NOTE: Make sure the wired computer is properly connected to a network with a DHCP server.
Checking if the Computer is Set to DHCP
NOTE: The instructions provided below only apply to Windows 98, ME, XP and Mac operating systems. If you are using Windows Vista, click here for instructions. For Windows 7 users, click here for instructions.

Windows 2000/XP
Windows 98/ME
Mac OS

Sep 05, 2010 | Linksys Wireless-G WRT54G Router


Set up a Wireless printer on your Router for use with a wired PC

First install the Wireless printer driver using the Wizard by connecting either the Ethernet cable to the router during the install process when asked this will set up your wireless laptop with the correct printer port based on the Wireless Node Name it will also use the printers inbuilt MAC address. This is standard install and will work for all your Wireless PC's however if you have a Wired (ethernet) PC connected to your Router this process will not work a wireless port will not work with a wired computer.

Follow my 3 steps below to set up standard IP ports for Wired PC's also connected to your Router.

STEP 1: Find your MAC address for the wireless printer (all types of Network Cards will have one so this is no different) this will either be found under the LCD control panel or may even be printer on the bottom of the printer or Print server if it is seperate set this MAC address with an IP address as a reservation in your admin panel of your router in this example.

You can normally enter your Router this using typed in your browser (not the search engine) as all routers are different check here for your make and model if you can't find the MAC address try using ipconfig /all from them command prompt it will be the physical address aka the MAC address

Install the Printer as a USB printer port by connecting the USB cable to the PC you want the wired printer driver installed on when finished go to the printer driver properties for the driver you have just added, click the port tab and click add standard IP port as shown below, then disconnect the USB lead this is only required to make sure the correct inf file is used on the driver install and connect your Ethernet cable from you computers NIC to a spare RJ45 socket on the Router.


STEP 3: To check that the Printer has the correct IP address then test using the tracert OR ping command for the IP address that you have reserved on your router, this is a necessary step otherwise when the lease expires it may take another IP address and your Printer driver will not work unless your printer has the reserved address, it will throw a printer error.



(this example shows a Standard TCP/IP Port for a Brother DCP-340CW)

Also check in your routers admin panel to see if the Wireless Printer is set up with the correct IP and MAC address, if you still can't find it eliminate your known MAC addresses from all your network cards the one left will be your Printer Server NIC in your Wireless Printer.

If you have setup the incorrect IP and or MAC address you will get this window when you try to add the TCP/IP port


That's it try a test print and you will see it burst into life.... Happy Printing

on Dec 02, 2009 | Office Equipment & Supplies

1 Answer

Internet connection is fine when my PC's connected directly to the modem. The router connects fine. But won't let the wired PC online. Under the "status" bar the "router" tab won't show the correct...

here are times when there is a need to connect a wired computer to an access point in order to set it up. To connect a wired PC to a Linksys access point, follow the steps below. Step 1:
Connect the PC to the Ethernet port located at the back of the access point.

Step 2:
Assign a static IP address on the computer. For instructions, click here.
NOTE: To assign a static IP address using Mac, click here.
The Access Point can be configured in four different modes:
  • Access Point
  • Access Point Client
  • Wireless Repeater
  • Wireless Bridge
The Access Point mode allows wireless clients to connect to the access point and routes traffic between the wireless and wired interface. Use this mode to create a standard wireless Infrastructure network. For instructions, click here.
The Access Point Client mode allows this device to act as a wireless client. You can connect a wired PC to the access point to connect to a wireless router or another access point wirelessly. You can enter the MAC address of the Access Point or use the Site Survey button to select the Access Point you want to connect.
NOTE: The WAP54G will only communicate with another WAP54G when set to the Access Point Client. For instructions, click here.

Sep 05, 2010 | Linksys Wireless-G WRT54G Router

2 Answers

Need to restart wired computer to connect laptop to wireless router. wired computer is dell e520 using windows vista. router is linksys wrt54g ver 6.Laptop sometimes gets connected by another network, not...

To connect to your wireless router, it needs the router’s wireless settings configured and also needs the wireless cards in all the laptops and or computers to be configured with the router’s wireless settings. Then the laptops and desktop computers can communicate with your wireless router.

To set-up and secure the wireless router from unauthorized access, follow these steps: -
1. Connect the wireless router to your computer with a LAN cable.
2. Start your browser and enter the router's configuration URL IP address.
3. Enter the router setup, login and password
4. Change the admin password
5. Go to the wireless settings and change the default SSID and turn off SSID broadcast.
6. Setup encryption key the strongest is WPA2 (if not then WPA).
7. For further security measures - turn on MAC address filtering and enter the MAC address of the wireless cards on the computer/s you want to connect to this wireless router.
8. Record the settings you have made and keep it in a safe place and Save the settings.
9. Configure the wireless cards on the computer/s with the SSID and encryption settings of the router.
10. Remove the LAN cable between the router and the computer then the computers should be able to connect to the router wirelessly.
To access the Internet you need to connect the DSL or cable modem to the WAN (Internet) port on the wireless router.

Nov 27, 2009 | Linksys Wireless-G WRT54G Router

1 Answer

The modem is online. I can plug my computer in and get online. When I include the router I cant get online wireless or wired

Is the router configured properly?
Some ISPs lock the access to a particular computer, or rather network card, so that the internet link is not shared with other people without their consent. This is done by remembering the physical (MAC) address of the network card in the computer that the link was originally configured for.
Some routers have an option to "mimic" the some other MAC address; look into the documentation to find out how to configure this. Your computer's MAC address can be determined using various methods: a command prompt command "ifconfig /all" is the easiest one.

Oct 24, 2009 | Linksys Wireless-G WRT54G Router

2 Answers

Brother printer and Neygear router wireless connection bad.

Had the same issue. Change the router wireless security settings from TKIP to AES algorithms. This did the trick for me.

Feb 21, 2009 | Brother MultiFunction Center MFC-440CN...

1 Answer


For my opinion I suggest using MAC address filter, every network adapter haves a unique MAC address which you can use to only permit those computers with the MAC addresses you want.
Do this method with every wireless computer you want to access your router.
  1. Go to Star -> Run, type cmd and click OK
  2. Type ipconfig/all, here you will see a list of your network adapters, look for your wireless adapter and take note on the physical address number (something like 00-4F-....)
  3. Now go to your wired computer (the one that is wired directly to your router) run Internet Explorer and type and enter. The router may ask you user name and password, if that's the case try the default password for your router (linksys wrt54g is username: admin, password: admin)
  4. Afer this you go to access restrictions and click Edit list of PC's.
  5. A window will pop up, you will see input boxes with labels like MAC 01, MAC 02, etc...
  6. Type the physical address you have got from the wireless computer in any input box labeled MAC 01, MAC02, etc...
  7. Click save settings and go back to Access Restrictions, make sure you have checked Allow.
  8. Now click on Enable and then save settings.
If you have more than one wireless computer hooked up with your router then do this process with each wireless computer you have (it is not necessary to do this with your wired computer).
Hope this works!

Feb 18, 2008 | Linksys BEFW11S4 Wireless-B Broadband...

1 Answer

Compatibility between linksys WRT54G Router and Intel PRO/Wireless 3945ABG Network Driver

from what you say, it sounds as if you have your wired and wireless card connected at the same time. This will confuse the router as it is trying to give two different ip addresses to the one pc, which it cannot do. If you are using the wireless adapter, make sure you dissable the wired adapter as the router will continually look for the wired ip address while allocating your wireless adapter causing instability. Next ensure you have a good clear signal from router to notebook as this can obviously cause problems. Lastly ensure that the wireless cards TCP/IP properties are set to obtain ip address automatically, especially if your router is DHCP enabled to allocate ip addresses automatically.

May 17, 2007 | Linksys Wireless-G WRT54G Router

3 Answers

Setting up a WAP54G as a wireless repeater with a WRT54G

Requirements for WAP54G & WRT54G Repeater Mode function: * WRT54G: Firmware 2.02.2 or higher * WAP54G: Firmware 2.06 or higher Go to to download the latest firmware upgrades for both devices. . Accessing the Router?s Setup Page: Open a Web Browser (either Internet Explorer or Netscape). 1. Type the IP Address of the Router into the Address Bar ( is the default IP Address). 2. Click GO or press the [Enter] key. The User Name and Password prompt will appear. 1. Leave the User Name field blank. 2. Type admin in for the Password (the default Password). 3. Click OK or press the Enter key. The Router?s Setup page will open: * Click on the Status Tab. * Click on the Wireless sub tab. Write down the Wireless MAC Address and the Channel number values located on this page. If the Encryption Function is Disabled, go to the WAP54G Repeater Setup section below. If Encryption Function is Enabled: Note: WPA (Wi-Fi Protected Access) is not yet compatible with wireless repeater mode. You must use WEP Encryption if you wish to use security options with this configuration. To gather WEP encryption information, click on the upper Wireless tab, then the Wireless Security sub tab. Write down the Passphrase. WAP54G Repeater Setup Be sure that you have the WAP54G plugged directly into one of the WRT54G?s numbered ports for the duration of the setup. Accessing the WAP54G?s Setup Page: Open a Web Browser (either Internet Explorer or Netscape). 1. Type the IP Address of the WAP54G into the Address Bar ( is the default IP address). 2. Click GO or press the Enter key. 3. The User Name and Password prompt will appear. 4. Leave the User Name blank. 5. Type in admin for the Password (the default password). 6. Click OK or press the [Enter] key. The WAP54G?s Setup page will open. 1. Set the Channel value to the same channel as the WRT54G router that was obtained from earlier steps. 2. If WEP encryption was enabled on the WRT54G: * Select Enable for the Wireless Security option. * Click on the Edit Security Settings button and enter the same Passphrase as the one of the WRT54G router that you recorded. Click Generate to populate the WEP key fields. * Click Save Settings to save your changes and close the encryption window. Click Save Settings to save your changes on the Setup page. 3. Next, click on the AP Mode tab. * Select the Wireless Repeater option. * Enter the WIRELESS Mac Address from the WRT54G that you recorded. (Disregard the fact that the page asks to ?Enter the LAN MAC ADDRESS?). Click Save Settings to save your changes. Close your web browser. You can now place the WAP54G Access Point in another nearby location (with its power adapter plugged in) so that it can repeat the wireless signal that it receives from the WRT54G. Notes: * The ?SSID? of the WAP54G does not have to be the same as the WRT54G. This can be used for initial configuration; using a different SSID will enable testing of network connectivity, and will show that the WRT54G is associated with the WAP54G. * If MAC Filtering is configured on the WRT54G, no extra configuration is needed. Wireless clients will still need to be added the MAC Filter list of the WRT54G, but the WAP54G does not have to on the list.

Feb 16, 2006 | Linksys (WRT54GC) Router

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