Dude, I'd suggest you make a new thread, but I'm gonna shoot you down pretty quick...
I think your DSL or Cable Modem is already configured to go as high as you can take it. To mess w/ the ISP's settings is inviting at best lots of internet instability and tech support heartache, and at worst a disconnect from your ISP for "Stealing Service". If it was that easy to raise your internet line's upload speed,and it were legal, everyone would just go out and do it. But it's not. And to try is just an invitation to bring a whole world of frustration on yourself in many ways shapes and forms.
If you want a faster internet line, just do what everyone else does. Shop around for the best package by looking as specifications based on what you can afford, and have a trained professional from the ISP set it up for you.
If you are not getting the speed you think you are paying for, it might be worth a free tech support call to your ISP to verify.
Just to clarify though, there are *2* speeds a ISP will "sell" you on. You have SUSTAINED and BURSTABLE bandwidth.
Example: I have a "3 MB/Sec" DSL Line, it's the second best line offered by my ISP, and the best I qualify for due to distance to phone co. office.
The "Details" of my line are that I get 3MB/sec download <burstable> and 1.5MB/sec <sustained>, with 768KB/sec <burstable> with 384KB/sec <sustained>
That "means" my line is actually "always on" with 1.5MB/sec down and 384KB/sec up, with occasional "bursts" when a server is close enough or I have a good route to go up to 3MB/sec down and 768KB/sec up.
There's no way I can just "change a few settings" on my modem to get me 3MB/sec down and 768KB/sec up, because that performance is not "in my modem" it's actually more to do with how the rest of my ISP's network is operating. At best I maintain my same performance. At worse I mess up my modem setting and am down until I can get a ISP tech out to fix it. they can also terminate my service because I'm technically messing with "their" hardware/line. (depends on user agreement)
Hopefully this ends the need for the other thread, but feel free to start one to confirm what I just said...
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