i already:
-opened "run" and typed in cdm
-got my gateway number
-typed that into my browser

i have a page open with all sorts of info about my broadband. Can anyone help me open this port? someone who can give a step by step pm me please

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Let the dominoes fall, I ain't got control

in there type: ipconfig
where it says default gateway (usually its 192.168.1.1)get that number and type it in your browser, it will most likely ask for your user name and password, look up "(place router model here a.k.a. linksys 43721 or whatever) default credentials" and get the user name and pass for it, type that in, and your into the router, when there look for "port forwarding" and froward 3074 to the i.p. of your xbox

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you know you lol @ this