Linksys Router Firmware Update Wrt54g

Posted : admin On 1/25/2022

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This is for the GSv7.x NOT the Gv7.x. See here: Linksys_WRT54G/GL/GS/GX

Old Dog, New Tricks: Mod a Linksys WRT54G-series Router: Take a plain, ordinary (read: boring, with limited functionality) $60 wireless router and supercharge it with cool features and lots more functionality, control, and diagnostics. There's much more under the hood of these devices than is accessible. Checking the DNS Servers on a Linksys router; Encountering difficulties accessing the router's web-based setup page; Manually upgrading your Linksys Wi-Fi Router's firmware; Checking the IP address of a computer with Windows operating system; Removing a network from the preferred network list on your iPad® Disabling proxy settings on Google.

Linksys Router Firmware Update Wrt54gl

  • Make sure no wireless clients attempt to associate with the router until the upgrade process is complete. Firmware 7.2.06 and above are not compatible with Linksys EasyLink Advisor (LELA) version 1.6.
  • FIRMWARE UPGRADE METHOD. How do I upgrade the firmware on the WRT54GS? Step 1: Open any web browser (Internet Explorer or Safari). Enter your router’s IP address in the Address bar, then press Enter. The default IP address of Linksys routers is 192.168.1.1. Step 2: Enter “admin” in the Password field then leave the User name blank.
  • Support for the new Linksys WRT3200ACM Update: FW avail October 13, 2016. Linksys provided the technical information and code to implement support for their new WRT3200ACM in DD-WRT. We now have a firt firmware build available! The firmware images can then be obtained via the Router Database.
  • 2Installation

[edit]Hardware

  • Broadcom BCM5354 @ 240 MHz
  • 16 MB RAM / 2 MB Flash ROM
  • S/N Prefix
    • WRT54GSv7(.0): CGNA, CGNB, CGNC
    • WRT54GSv7.2: CGNE
  • FCC ID
    • WRT54GSv7(.0): Q87-WRT54GSV7
    • WRT54GSv7.2: Q87-WRT54GSV72


Linksys

[edit]Installation

This flash method applies to EON, INTEL, and SAMSUNG(?) flash chips.
NOTE TO WINDOWS USERS: The native TFTP Client is disabled by default, so enable it before proceeding (or download a third party TFTP tool, ex: TFTP2 or TFTP32/TFTP64). In Windows, go to 'Add or Remove Programs' (or 'Programs and Features', depending on the Windows version) from the Start menu or Control Panel, then the Windows Features section, and scroll down to select TFTP Client to enable it.

  1. First download vxworkskillerGSv7-v3.bin and dd-wrt.v24_micro_generic.bin
  2. Set a static IP address (outside DHCP range e.g. 192.168.1.10), connect the PC ethernet to a router LAN port
    • Linux command: ifconfig eth0 192.168.1.10
    • Windows™: go to Control Panel->Network and Internet->Network Connections
      1. Right-click, go to the LAN device properties, then find and open the TCP/IPv4 Properties
      2. Select 'Use the following IP address' to set a static IP (e.g. 192.168.1.10, subnet 255.255.255.0)
        • Ensure this static IP is outside the DHCP range
  3. Unplug the router, then hold the reset button while reconnecting power for about 20 seconds.
  4. Open your browser to http://192.168.1.1/
  5. Use the Firmware upgrade option under the Administration tab to flash vxworkskillerGSv7-v3.bin.
  6. After the dialogue about disconnecting the power cord is shown, disconnect the power cord and reconnect it.
  7. Wait for FIVE FULL minutes, then disconnect the power cord for 10sec and reconnect it.
  8. Transfer the firmware using TFTP
    • Linux command: tftp -v -m octet 192.168.1.1 -c put dd-wrt.v24-micro_generic.bin
    • Windows™ Command Prompt (cmd): tftp -i 192.168.1.1 put dd-wrt.v24_micro_generic.bin
  9. Wait for tftp to finish, then the router will automatically reboot. Finally, access the GUI at 192.168.1.1
  10. Watch the router lights: the power light will eventually come on, followed by the WLAN light
    • Note: If the router does not boot automatically, even after a power cycle, reset again, per step 3.

[edit]Alternate method to flash WRT54GSv7.2

There is no resetting in the middle of this process. This method has also been used on WRT54Gv8 (not GS), and should work on the v7.0. My WRT54GSv7.2 has an EON EN29LB160AB-70TCP flash chip and 16MB Samsung RAM.

tiger12506 has successfully performed this on two WRT54GS v7.2 with CGNE serial numbers. He felt that he had bricked one of the routers at first. Messing around with JTAG cables taught him some things, but be absolutely sure that you have tftp set to binary or octel. If you leave tftp in ascii it will appear to work but the flash won't take.

1. Use the web interface to reset the router to factory defaults.

2. Manually set a static IP (e.g. 192.168.1.10 or any address outside the DHCP range)

  • Linux: sudo ifconfig eth0 192.168.1.10

3. Use the web inferface to update the firmware to vxworkskillerGSv7-v3.bin.

4. Windows: tftp -i 192.168.1.1 PUT dd-wrt.v24_micro_generic.bin

Linksys Wireless G Broadband Router Wrt54g

  • Linux: enter tftp mode with # tftp 192.168.1.1

5. Start a continuous ping: ping -t 192.168.1.1 (-t is Windows only)This will time out repeatedly, then the router will respond about two and six times, time out again a few times, and then start responding to pings.

  • [This is where tiger12506 had trouble, but after a long reset, and some short resets, more and more lights came on until finally the WLAN light came on and the router functioned normally running DD-WRT]
Firmware

6. Access the DD-WRT GUI at 192.168.1.1

[edit]De-brick

Linksys wireless g broadband router wrt54g

With the first .bin file I installed from the Linksys GUI Admin options, upload went about half way then tried to reboot, and bricked my WRT54GSv7. With this procedure (external link), using this command from the .bin file location worked, but had to hit enter TWICE to execute the command to install the 2nd bin file:

  • tftp -i 192.168.1.1 put dd-wrt.v24_micro_generic.bin

[edit]Notes

Historical information: All flash chips are supported, follow this procedure.

Read the text files here, and also see this relevant forum post for newer instructions.

Linksys Router Firmware Update Wrt54g2

Retrieved from 'http://wiki.dd-wrt.com/wiki/index.php/Linksys_WRT54GS_v7.0_%26_7.2'

Restoring Original Linksys WRT54G v8 Firmware

DD-WRT Forum Forum Index ->Broadcom SoC based Hardware
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AuthorMessage
Shadowz O Death
DD-WRT Novice
Joined: 18 Feb 2008
Posts: 7

Posted: Mon Feb 18, 2008 3:10 Post subject: Restoring Original Linksys WRT54G v8 Firmware
Hello everyone! I am a new member of the DD-WRT forums. I have DD-WRT installed on my Linksys WRT54G v8 router. How would I restore the original firmware? Thank you so much!
Sponsor
<=' td='>
Shadowz O Death
DD-WRT Novice
Joined: 18 Feb 2008
Posts: 7

Posted: Mon Feb 18, 2008 3:17 Post subject: Re: Restoring Original Linksys WRT54G v8 Firmware
Pson wrote:
Shadowz O Death wrote:
Hello everyone! I am a new member of the DD-WRT forums. I have DD-WRT installed on my Linksys WRT54G v8 router. How would I restore the original firmware? Thank you so much!

Just download the fireware off of the linksys website and upload the fireware using the dd-wrt gui

Thank you so much for the reply! I have tried doing that, but it says 'Upgrade failed.'
antiflux
DD-WRT Novice
Joined: 13 Feb 2008
Posts: 1

Posted: Mon Feb 18, 2008 3:20 Post subject:
also getting the 'upgrade failed' message. any other ways to do this?
Pson
DD-WRT Novice
Joined: 23 Nov 2007
Posts: 32

Posted: Mon Feb 18, 2008 3:22 Post subject: Re: Restoring Original Linksys WRT54G v8 Firmware
Shadowz O Death wrote:
Pson wrote:
Shadowz O Death wrote:
Hello everyone! I am a new member of the DD-WRT forums. I have DD-WRT installed on my Linksys WRT54G v8 router. How would I restore the original firmware? Thank you so much!

Just download the fireware off of the linksys website and upload the fireware using the dd-wrt gui

Thank you so much for the reply! I have tried doing that, but it says 'Upgrade failed.'

R U sure you have the correct stock firmware(mine did that when I put something to big in there)? If so then maybe try a hard reset and then try. Also make sure you are connected by a cable too.
Shadowz O Death
DD-WRT Novice
Joined: 18 Feb 2008
Posts: 7

Posted: Mon Feb 18, 2008 3:35 Post subject: Re: Restoring Original Linksys WRT54G v8 Firmware
Pson wrote:
Shadowz O Death wrote:
Pson wrote:
Shadowz O Death wrote:
Hello everyone! I am a new member of the DD-WRT forums. I have DD-WRT installed on my Linksys WRT54G v8 router. How would I restore the original firmware? Thank you so much!

Just download the fireware off of the linksys website and upload the fireware using the dd-wrt gui

Thank you so much for the reply! I have tried doing that, but it says 'Upgrade failed.'

R U sure you have the correct stock firmware(mine did that when I put something to big in there)? If so then maybe try a hard reset and then try. Also make sure you are connected by a cable too.

I am 100% positive that I have the correct stock firmware. I have tried hard resetting the router, but still no luck.
Tornado
DD-WRT Developer/Maintainer
Joined: 07 Jun 2006
Posts: 2087
Location: Odessa, Ukraine

Posted: Mon Feb 18, 2008 4:45 Post subject:
Search for reversion, we have special firmware files that will do this for you, flashing original linksys firmware to the box will do nothing for you and make it harder to revert.
Here is a link:
http://www.dd-wrt.com/dd-wrtv2/downloads/others/tornado/Gv8/vxworksrevert-Gv8-v3.bin
Read the readme

_________________
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Shadowz O Death
DD-WRT Novice
Joined: 18 Feb 2008
Posts: 7

Posted: Wed Feb 20, 2008 21:18 Post subject:
I have used the setup page to upgrade my router to that firmware, but I forgot to wait two minutes after upgrading, so the power light is blinking. BRICK?
Shadowz O Death
DD-WRT Novice
Joined: 18 Feb 2008
Posts: 7

Posted: Wed Feb 20, 2008 23:52 Post subject:
Nevermind, it worked. Thank you so much!
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