Troubles connecting to XBOX LIVE (stuck on MTU error)

No matter what i have tried, i cannot get passed the "Your MTU needs to be at 1364 or higher" phase. I have done all the different steps to try and do this. I have tried restarted the modem/router, ive tried simplifying my setup, and i have even changed the MTU setting for my router on my computer and it still comes up with the same error. If anyone knows how to get passed this or has had this problem before, please help me! Thanks

 

Question Info


Last updated July 4, 2018 Views 0 Applies to:

Could you post a reply with the answers to the following questions taken from the 'Start Here' sticky on the main page.

 

What Country/State/Province do you live in?
Modem brand & model number:
Router brand & model number:
Network Connection Type: Wireless/Wired
If Wireless, what type of encryption are you using?
If Wireless, are you using a white or black external adapter, or an internal (Xbox 360S) adapter?
Things you have tried:
Is UPnP Enabled? Yes/no/Unknown
Is NAT Type Open?
Any Error Codes you encounter:
What type of internet do you have? Cable/DSL/T1/3G?
Who is your ISP(Internet Service Provider)?
After you run "Test Xbox LIVE connection" and click on "More info", what is the exact message shown on screen?

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What Country/State/Province do you live in? USA/Iowa/Polk County

Modem brand & model number: Marvell Yukon 88E8039 PCI-E Fast Ethernet Controller

Router brand & model number: Lynksys WRT54G

Network Connection Type: Wired

If Wireless, what type of encryption are you using? n/a

If Wireless, are you using a white or black external adapter, or an internal (Xbox 360S) adapter? n/a

Things you have tried: Restarting modem/router, changing MTU to correct setting

Is UPnP Enabled? Yes

Is NAT Type Open? Yes

Any Error Codes you encounter: none, just xbox live connection problems

What type of internet do you have? Cable

Who is your ISP(Internet Service Provider)? Mediacom

After you run "Test Xbox LIVE connection" and click on "More info", what is the exact message shown on screen?

"Your netowrk does not have a sufficient MTU setting. Xbox LIVE requires a minimun MTU setting of 1364"

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.