leefsmith

I do have a DOCSIS 3.0 compliant cable modem, and for the moment it has returned to former speeds.....

So here it is:

Well as soon as I toss a suggestion out, there my speeds start to slow down. There might be something going on with Comcast or maybe a change on my end. The mystery continues.....

I was having the same kind of problem until I changed the compound tcp setting to ctcp. Apparently it increases the TCP send window more aggressively for broadband connections. You must change it from an elevated command prompt (right click on command prompt icon in start menu, choose run as administrator) then type:

netsh interface tcp set global congestionprovider=ctcp

Hit enter, close command prompt, and come here and see what if anything changed.

As always use at your own risk and make a restore point prior to attempting to out smart your computer

Welcome Lee!

Your speeds look pretty good for your package. I hope you like TMN and help spread the word. Being a speed freak I hope you take the time to share your knowledge in our forums.

Not sure how much knowledge I'll be able to share. I am just learning about the vista stacks and what does what. If I stumble upon something i'll make sure to share though...lol

I found this site after upgrading plan at Comcast to 30/6 and was getting weird test results at all the regular haunts. I saw a link in someone’s sig and here I am. Being a bit of a speed freak for YEARS I can't believe that I have missed this place.

Lee F. Smith

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