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Change the LAN IP of the Actiontec MI424WR FiOS Modem/Router

I have recently upgraded my home Internet connection to high-speed Verizon FiOS. With this service came the new Actiontec MI424WR Modem/Router. Much like other routers on the market, this router defaults to, an IP I definitely do not want to use for my router. But quite unlike other routers on the market, there isn't an user-friendly method of changing the router LAN IP. But luckily, I figured out a way.

To change the IP address of the Actiontec MI424WR on the LAN, you'll have to first log into the router administration page. If you haven't changed the username and password already, they are "admin" and "password", respectively.

Once you've logged in, click on the "Advanced" button. The router will present the following warning to you:

Any changes made in this section may effect your Routers performance and configuration.
Do you want to proceed?

Click on the "Yes" button to proceed. Then choose "Configuration File". You'll see a lot of code at this point. You won't be able to change any of the code on the screen. So, click on "Save Configuration File". Save it under any name you like. I prefer a name with ".txt" extension, so that I can easily open it in a text editor, like Notepad.

After saving the file to disk, load it up in Notepad or any other text editor you like. Modify the following section that is in the file:


Change the IP to any other IP you prefer. When you are done editing the file, go back to the browser and click on "Load Configuration File". Pick the file you just edited and click "OK". The router is going to compare the two files and show you the dates for the old and the new version. Click on "Apply" to use the new version.

After the router reboots, it will be configured to use the new LAN IP address.

Chieh Cheng
Fri, 18 May 2007 01:44:10 -0700

Do you know if this change had any effect on the channel guide used by the set top boxes. I heard that they use to fibnd this router and get channel guide info over the internet.

Thu, 15 Jan 2009 21:46:02 +0000

What set-up box? The Verizon set-up box?

I don't know since I don't have one. But you can try changing it to a different IP and if your set-up box stops working, you can then change it back.

So there is no way to change the IP on the set-up box?

Chieh Cheng
Thu, 15 Jan 2009 23:56:14 +0000

Thanks for answering, I guess you are not using FIOS for TV viewing?
I was told that the set top box, the box you need for HD and anything beyond local TV, uses to connect and get channel guide data.

Mon, 19 Jan 2009 19:07:44 +0000

Unfortunately, no. I use FIOS for internet only. I watch TV episodes through television channel online web sites. Here is a list: Television Channels Online

Chieh Cheng
Mon, 19 Jan 2009 19:46:30 +0000


I had actually changed the IP of my router's network in the setup. The router broke, I got a replacement, and couldn't remember for the life of me how I had done it the first time. It's so counterintuitive. When I tried your method the router returned a message that the config file was corrupt.

I knew roughly what I was looking for, so it took me an hour rather than two days to get back to where I had found the settings:

Got to 'My Network' and click 'Network Connections' in the menu on the left.
Click the 'edit' button of 'Network (Home/Office)'.
Hit the 'Settings' button on the bottom.

Voila! All the settings that real routers have right in their front page cunningly hidden!

I hope this helps people, and that I can find this little text again next time this peace of s**t breaks and I need to configure another on :)

Thu, 30 Apr 2009 23:40:57 +0000

Hi Chieh,

I hope I get a response consittering its a year since the last reply. I am trying to edit the .config file but when I open itas a txt file its all jumbled text like its encrypted, any suggestions?

Many thanks,


Mon, 19 Apr 2010 11:36:15 +0000

It should be a text file. Are you sure you saved it as a text file? Why does it have the ".config" extension?

Chieh Cheng
Mon, 19 Apr 2010 16:03:05 +0000

Hello Chieh,

Excited to see you reply.

Yes I did save as a txt file when it asked me to save. And when I opened it, it was a huge decoded message:

e5ccf2e576023f996d7a7b0dfc974086634ae236dd71f18842e797c48ecc e1e077866f125091dd44c62f81306d558f15f828d219304365be9b4f47f3 af429f215013c743151a2eb0fa5fa5807c7b5e8c88ef87a67b6761af0af5 0bde4a72e6030214f0598d1f3d9fd51ae67f0f0f1329e8ac6c6f8f9a21c5 e92aa5dfaab2ad5e5ccf2e576023f996d7a7b0dfc974086634ae236dd71f 18842e797c48ecce1e077866f125091dd44c62f81306d558f15f828d2193 04365be9b4f47f3af429f215013c743151a2eb0fa5fa5807c7b5e8c88ef8 7a67b6761af0af50bde4a72e6030214f0598d1f3d9fd51ae67f0f0f1329e 8ac6c6f8f9a21c5e92aa5dfaab2ad5a (CONTINUES)

There are no configuration options I can find. I did have fios installed in early 2010 and I'm wondering if they made it so newer configuration files stay encrypted?

Wed, 21 Apr 2010 07:02:35 +0000

You clicked on the "Save Configuration File" button? I just did that and got a "Wireless Broadband Router.conf" text file that I can read in Notepad. The firmware version for my router is

Chieh Cheng
Fri, 23 Apr 2010 21:06:53 +0000

Yes I did to but when i try and open it its all decoded, no lines I can edit (like the ips ection ou mentioned). I havethe exact same router and ISP as you. Do you think it has something to do with the firmware?

Sun, 25 Apr 2010 10:19:14 +0000

What version is your firmware? What does your router look like? Mine is all black and boxy, like the attached image.

Attached Image:

Actiontec MI424WR Front and Back.jpg

Chieh Cheng
Mon, 26 Apr 2010 00:15:05 +0000

Hi Chieh,

Sorry for the late reply.. I have the same mdoel number as your router but it's different 9attatched is image)

i'm not sure how to find out the firmware...

I am still in DESPERATE need 2 change my ip as I keep getting Ddossed offline by a hacker and theirs nothing i can do about it unless I change my IP.

Hopefully you have some ideas

Attached Image:


Sat, 22 May 2010 17:20:44 +0000

Oh. If you want to change your external (WAN) IP, then it's easy. Just turn off the router for a little while, and then turn it back on. The DHCP will assign you a new IP address. This whole time I thought you were trying to change the internal (LAN) IP, which this thread is about.

Chieh Cheng
Sun, 23 May 2010 05:27:40 +0000

Hi Chieh,

Again I appologize for a late reply. When I do that it does not change my ip address. I am trying to change my LAN Ip which is what I run off.. That modem just has a built in wireless router in it. I dont use wireless. Thank you

Wed, 02 Jun 2010 03:36:50 +0000

I don't understand your whole problem. How is a hacker able to knock you off your network? How would you prevent it by changing the LAN IP address of your router?

Chieh Cheng
Wed, 02 Jun 2010 05:00:24 +0000

Its just simple denial of service which knocks my connection off... As said before I followed your steabs and I hit a brickwall because Im unable to edit that config

Anwyay I can add you on a messenger service of some type? Maybe skype?

Thu, 03 Jun 2010 10:51:51 +0000

Dave, changing the internal IP of your router is not going to solve the denial-of-service attack. In order to understand your problem further, we can talk about DoS some more. But it's going off topic in this thread. So here is a new thread for this topic: LAN IP and Denial of Service Attack

Chieh Cheng
Thu, 03 Jun 2010 15:51:01 +0000

Why not just change your ip from within the network properties?
Doesn't that do the same thing as changing it within the config file?

Attached Image:


Sat, 17 Jul 2010 18:17:29 +0000

BillyMac, how do you get to "network properties"?

Chieh Cheng
Sat, 17 Jul 2010 23:35:01 +0000

It appears some firmware encode the config file somehow.
Does anyone know a way around this?.
Maybe a example config file as it might still load the old non-encoded types.

Tue, 27 Jul 2010 19:54:53 +0000

Apparently some of you were not paying attention. Mechanic's post says how to get into the Ip address settings.

I too couldn't figure out how to change the internal IP address and I spent hours trying to figure out. But mechanic's post says exactly how to reach it. Now I have the ip changed and everything is up and running.

Well since some of you are obviously too dumb or lazy to read, I made a gif picture on how to reach the setting. Let's see if it works..

Attached Image:


Sat, 04 Sep 2010 21:58:28 +0000

It does a thumbnail of the gif, so you'll have to click on the picture to see it correctly.

Attached Image:

1 - Verizon-FIOS.gif

Sat, 04 Sep 2010 22:01:57 +0000

Dave and Cheigh - Firmware now encryptes the config file. Supposedly a "security" issue. Feh.

Matthew Persico
Thu, 04 Nov 2010 01:25:40 +0000

Ok. Looks like Verizon updated the firmware on my Actiontec MI424WR FiOS router just fifteen minutes ago. It knocked me completely off line. I couldn't see my router at all. Then I realized that it completely reset with the default IP address. It delete all my settings. And now I'm pulling my hair out trying to set everything back to normal. The configuration file is now encrypted. But I managed to find a different way to change the LAN IP of the router. Here is the steps:

  1. Log in to the router.
  2. At the main screen, click the globe icon next to "Broadband Connection" in the left-most column.
  3. Click on the "Network (Home/Office)" heading in the first column of the table.
  4. Click on the "Settings" button on the bottom of the screen.
  5. Change the IP address to whatever you want.
  6. The IP address should not be in the range of the "IP Address Distribution" defined on that same page. So you should change the range. In my case, I disabled DHCP completely.
  7. Click the "Apply" button on the bottom of the page.

Chieh Cheng
Sun, 08 May 2011 06:53:05 +0000

The later firmware encrypts the configuration file and the Network (Home/Office)/Settings no longer lets you change the router's IP. However, if you enable local administration via telnet (Advanced/Local Administration - see section 8.2h in the rev g manual), you can telnet to the device and issue a "net ifconfig" command, which you can use to change the IP (issue net ifconfig to find the name of the primary interface, then issue net ifconfig <name> <IP>, where <name> is the interface - on mine I think it was called something like "br0") . The DHCP page won't let you change the DHCP range to cover a different subnet than that of the router, so once you change the router's IP, you'll have to temporarily assign your connecting computer a static IP on the subnet that you put the router onto, then you can get back to the configuration web pages (using its new address) and then update the DHCP range for the new subnet. Hope this helps.

Bruno Ruce
Mon, 18 Jun 2012 23:30:46 +0400

Thanks for the tip, Bruno. It will come in handy if I ever need to change the router IP in the future.

Chieh Cheng
Tue, 19 Jun 2012 01:26:08 +0400


You saved me from pulling my hair out. Someone from 10 years in the future thanks you.

Fri, 01 Nov 2019 08:59:04 -0700

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