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360 mtu test keeps failing

360 says mtu failed how do i change routers mtu settings it used to work fine

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  • Anonymous Sep 29, 2008

    yea i have the same problem,but when i get 2 my router's main menu,i see no mtu settings or anything like that,i checked all of the routers settings and i can't find it, i own a belkin wireless 54g router. any help would be appreciated

  • Anonymous Sep 29, 2008

    Same problem here xbox 360 worked fine for two years. suddenly MTU faillure noe ( 29 september 2008 ) Live Poblem?


  • Anonymous Sep 29, 2008

    but i cant connect to that

  • roger771 Sep 29, 2008

    Same problem here. Have checked MTU on router & it is fine. I now suspect an XBL issue if we all have it?

  • dylanrchiles Sep 29, 2008

    i cannot connect to thehttp:// either, it shows page load error.

  • roger771 Sep 29, 2008

    Have now seen this:

    As we gear up to bring you the New Xbox Experience, Xbox LIVE and the Xbox LIVE page on will be down for 24 hours, beginning on September 29, 2008 from 12:01 AM PST until 11:59 PM PST. During this time you will not be able to access Xbox LIVE.

  • WOODS7927 Sep 29, 2008

    I have the same problem,but I have a D-Link(DI524) wireless router that is failing the MTU ON MY XBOX360. The default MTU is higher than the minium MTU THAT XBOX NEEDS, BUT STILL FAILING

  • Anonymous Sep 29, 2008

    Same thing

  • KOKs112 Sep 29, 2008

    now i dont know if its because the network for live is down right now or not but, my router worked great last night and now it doesnt work at all, the mtu test keeps failling and i dontr know why. anyubody have a clue????

  • trilobyt Sep 30, 2008

    Me also. Started after downloading most recent xbox update. Can't find ANY MTU settings on router and have never had problems before. Powercycling didn't work.

  • Anonymous Sep 30, 2008

    it is because live is down i have the same problem

  • ArenaBritt Sep 30, 2008

    I am having the same problem, but I am thinking it is because of the update they are doing. They sent an E-mail saying it was going to be down Monday the 29th...

  • Anonymous Sep 30, 2008

    how long will live be down

  • Anonymous Sep 30, 2008

    I'm having the same problem, the MTU test keeps failing. MY Xbox360 was working fine until about 1 day ago, possibly the start of the update. I've heard that Xbox live went back online, yet I'm still having the MTU failure.

  • niktwikoli Sep 30, 2008

    I thought it was just my evil bad luck playin up again but seems its not just me,am havin same problem with mtu failing but have still been getting maximum down & upload speeds through my pc....??it must have somethin to do with the update but i dont understand how or why its affectin the routers transmission..?please someobne enlighten me help fix it am gettin withdrawls lol thanks

  • ben-burgin Sep 30, 2008

    i have the same problem. i kno xbox live went down on the september 29th. but xbox said that it would b bac on the 30th. iv checked time zone an so on an as far as i kno xbox live should be bac on. but i cant connect my dashboard is tellin me i need 2 change my mtu settings. so i went 2 my router settings but i cant find anywhere 2 change my mtu settings? can any1 help me? iv already tried web adress aswel but i cant connect 2 it. is xbox live takin longer than it should in comin bac online? cos iv never had ths problem b4?

  • goose_rocks Sep 30, 2008

    same prob here...i tried that solution on the bottom but the http addy doesnt take me anywhere....whats up?

  • Anonymous Sep 30, 2008

    Same problem very frustrating.

  • Anonymous Sep 30, 2008

    i've been having the same problem too
    but i think its just the update.

  • pics1493 Oct 09, 2008

    Keeps failing when im trying to use Xbox LIVE.

  • Anonymous Nov 14, 2008

    yes, need to be set to the designated amount. need to know how to fix it.

  • sunsballa Nov 23, 2008

    when i type in "" it claims that the site doesnt exist

  • Anonymous Dec 07, 2008

    When i try to set up Xbox live using this router it says i do not have the minimum MTU

  • Anonymous Dec 14, 2008

    where can I find the MTU setting????????

  • Anonymous Dec 15, 2008

    The MTU setting keeps failing for xbox live connection test

  • Anonymous Dec 26, 2008

    trying to connect new ipods cant remember password to the wireless router

  • Anonymous Dec 28, 2008

    mi xbox say mtu failed how do I change the mtuof my router

  • Bigpajog Dec 31, 2008

    man m havin the same problem i typed in

    an that **** didnt work im lost an confused?!?!?

  • Anonymous Jan 06, 2009

    I cannot figure out how to set my MTU setting higher

  • Anonymous Jan 26, 2009

    how do u change MTU settings

  • Anonymous Jan 27, 2009

    i must of tried 20 times, but the password for the prompt won't accept admin as the password.

  • Anonymous Feb 11, 2009

    i have a 2wire gateway from at&t and idk wat to do i NEED help

  • Anonymous Apr 05, 2009

    360 mtu test keeps failing


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Using the main computer, open your Internet Explorer and on the Address Bar type

It will prompt your for username and password. By default leave it blank on username and type admin on the password

Under SETUP tab, you can see there MTU, set it to Manual and set the size to 1400 then click on SAVE SETTINGS at the bottom.

Now powercycle your devices. Turn off router first and then modem. Wait for 30sec. Turn on modem first, wait for lights to stop blinking then turn onrouter.

That's it..

Posted on Aug 08, 2008

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Well i did that but the thing is it does not do anything i put in the password admin but nothing happens at all just a error page

Posted on Oct 24, 2008

Whenever i type in my ip address it just says there are no search results found

Posted on Sep 30, 2008


Posted on Sep 29, 2008

Isn't XB Live offline today for updates? I wouldn't mess with any settings right now!

Posted on Sep 29, 2008

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SOURCE: 360 mtu test keeps failing

Access the routers setup page by typing (ip address of the router) on the address bar on IE.

then on basic setup page at the bottom part of the page you will see MTU normally its on auto,
to change the value set it to manual. ask your isp what is their prefferred value for the mtu you can go as high as 1300 to 1500.

Posted on Sep 13, 2008

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