Xbox 360 my ethernet is conected but wont work

[grunt in a b0x]

Hello,Yesterday I was on xbox Live but I got on today, and it said I couldn't connect as If the ethernet cord was messed up, But then I tried the ethernet in My labtop and It worked As well as other cord's. What should I do?

 

[MW3nerd44]

try testing your conection and if somethings wrong with the conection try rebooting your motem