Comcast speed
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Posted by exray on July 23, 2007, 6:52 pm
Please log in for more thread options I'm in Massachusetts with a Comcast high speed internet account. I use a Toshiba pcx 2200, which is a docsis 1.1 compliant modem. For years, it was providing me with up to 4 mbit downloads and 384 k uploads. A few months ago, Comcast sent its customers a letter saying they have raised their download and upload speeds. I don't know if the download speed increased, but the upload speed increased substantially, and was well over 700kbits per sec for more than 2 months. (just to fill out the picture, the modem goes to a router, the router has two computers and a slingbox connected...and I watch the output of the slingbox from an out of state account -- slingbox reports the bit rate, and the picture quality is notably different when more than 600kbits per sec is pouring down the lines) A week or two ago I noticed the slingbox picture deteriorate, and noticed that the bit rate being sent out by my comcast account is about 350 kbits. So this weekend I went home, did a speed test, rebooted the modem, did another speed test, and when I saw a 2.4 meg download speed max on various speed tests and 350K upload speed, I called Comcast. They told me my config file is just fine and I'd have to have a cable guy make a house call. He did, verified that the hookup is OK and that the signal strengths are OK. Now I have a few questions. Does it strain belief that the Toshiba modem is working "fine" but at half speed? I find it hard to believe, but not impossible. Next question. On my out of state account, I have a Motorola 5120, and it's also registered with comcast. When I bring it home and plug it in, what will happen? I figure there are 4 possibilities. 1)It could be that the motorola won't work at all until I call comcast and talk with them. 2)It could be that it'll give me 6 meg down and one meg up, which would tell me that my toshiba really is kind of sick. 3)It could do 4 down and 350 up, which would mean that it's being provisioned the same way by comcast that it's provisioned out of state and I'd have learned nothing. 4)It could do 2 down and 350 up, which means comcast's config file is screwy. Any thoughts on what will happen and on whether my thoughts are sensible? Thanks | ||||||||||||||||||||||
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Posted by $Bill on July 23, 2007, 10:01 pm
Please log in for more thread options exray wrote: Does your modem have a web page interface so you can get the actual up/down throttle speeds it's configured with ? Try connecting your browser to 192.168.100.1 and see what you get. > Next question. On my out of state account, I have a Motorola 5120, and it's
> also registered with comcast. When I bring it home and plug it in, what > will happen? It's worth a try, but you may have to get them to provision it at least temporarily to get it to work. > I figure there are 4 possibilities.
> > 1)It could be that the motorola won't work at all until I call comcast and > talk with them. > > 2)It could be that it'll give me 6 meg down and one meg up, which would tell > me that my toshiba really is kind of sick. > > 3)It could do 4 down and 350 up, which would mean that it's being > provisioned the same way by comcast that it's provisioned out of state and > I'd have learned nothing. > > 4)It could do 2 down and 350 up, which means comcast's config file is > screwy. > > Any thoughts on what will happen and on whether my thoughts are sensible? | ||||||||||||||||||||||
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Posted by f/fgeorge on July 24, 2007, 8:54 am
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>I'm in Massachusetts with a Comcast high speed internet account. I use a
Go to the Comcast Office, locally, and get one of their new Docsis 2.0
>Toshiba pcx 2200, which is a docsis 1.1 compliant modem. > >For years, it was providing me with up to 4 mbit downloads and 384 k >uploads. > >A few months ago, Comcast sent its customers a letter saying they have >raised their download and upload speeds. I don't know if the download speed >increased, but the upload speed increased substantially, and was well over >700kbits per sec for more than 2 months. > >(just to fill out the picture, the modem goes to a router, the router has >two computers and a slingbox connected...and I watch the output of the >slingbox from an out of state account -- slingbox reports the bit rate, and >the picture quality is notably different when more than 600kbits per sec is >pouring down the lines) > >A week or two ago I noticed the slingbox picture deteriorate, and noticed >that the bit rate being sent out by my comcast account is about 350 kbits. > >So this weekend I went home, did a speed test, rebooted the modem, did >another speed test, and when I saw a 2.4 meg download speed max on various >speed tests and 350K upload speed, I called Comcast. They told me my >config file is just fine and I'd have to have a cable guy make a house call. >He did, verified that the hookup is OK and that the signal strengths are OK. > >Now I have a few questions. > >Does it strain belief that the Toshiba modem is working "fine" but at half >speed? I find it hard to believe, but not impossible. > >Next question. On my out of state account, I have a Motorola 5120, and it's >also registered with comcast. When I bring it home and plug it in, what >will happen? > >I figure there are 4 possibilities. > >1)It could be that the motorola won't work at all until I call comcast and >talk with them. > >2)It could be that it'll give me 6 meg down and one meg up, which would tell >me that my toshiba really is kind of sick. > >3)It could do 4 down and 350 up, which would mean that it's being >provisioned the same way by comcast that it's provisioned out of state and >I'd have learned nothing. > >4)It could do 2 down and 350 up, which means comcast's config file is >screwy. > >Any thoughts on what will happen and on whether my thoughts are sensible? > >Thanks > modems. Do the rental agreement thing. Take it home and go thru the process to get it up and running, then do your speed tests. You should have a 2 week return policy if you don't like the way it works. There HAVE been some complaints that the 2.0 modems are doing exactly the same thing your 1.1 version is doing. BUT since it is essentially free to try, try it. | ||||||||||||||||||||||
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Posted by Timothy Daniels on July 24, 2007, 11:38 am
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"exray" wrote: > I'm in Massachusetts with a Comcast high speed internet
> account. I use a Toshiba pcx 2200, which is a docsis 1.1 > compliant modem. > > For years, it was providing me with up to 4 mbit downloads > and 384 k uploads. > > A few months ago, Comcast sent its customers a letter saying > they have raised their download and upload speeds. I don't > know if the download speed increased, but the upload speed > increased substantially, and was well over 700kbits per sec for > more than 2 months. > > [.....] > > A week or two ago I noticed the slingbox picture deteriorate, > and noticed that the bit rate being sent out by my comcast > account is about 350 kbits. > > So this weekend I went home, did a speed test, rebooted the > modem, did another speed test, and when I saw a 2.4 meg > download speed max on various speed tests and 350K upload > speed, I called Comcast. They told me my config file is just > fine and I'd have to have a cable guy make a house call. > He did, verified that the hookup is OK and that the signal > strengths are OK. > > Now I have a few questions. > > Does it strain belief that the Toshiba modem is working "fine" > but at half speed? I find it hard to believe, but not impossible. > > Next question. On my out of state account, I have a Motorola > 5120, and it's also registered with comcast. When I bring it home > and plug it in, what will happen? > [.....] Something similar happened to me when my area went from Comcast to Time Warner and the transition went on for months. My download speed on my Motorola 5120 dropped 25%. I called several times to several levels of Tech Support, but they always insisted that my config file was OK and everything was fine. So I tried a rental modem. The speed went back up and stayed up. After a few months of the rental, when the transition to Time Warner's RoadRunner seemed complete, I reverted to the Motorola 5120, and the speed stayed up. My guess is that during the transition (that was so very screwed up), Comcast/TimeWarner dropped the speeds of their customers' modems which were not rentals (to which they could pass blame) to ease the load on their servers and routers, and when the transition was complete, RoadRunner bumped the speeds back up. Is that legal? Hey, YOU try defining "best effort". *TimDaniels* | ||||||||||||||||||||||
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Posted by Andrew Rossmann on July 24, 2007, 5:05 pm
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[This followup was posted to comp.dcom.modems.cable and a copy was sent to the cited author.] exray@amexol.com says... > I'm in Massachusetts with a Comcast high speed internet account. I use a
> Toshiba pcx 2200, which is a docsis 1.1 compliant modem. > Next question. On my out of state account, I have a Motorola 5120, and it's > also registered with comcast. When I bring it home and plug it in, what > will happen? Some modems do not work well at higher speeds, and may not support PowerBoost, which is being rolled out everywhere. I used to have an RCA DCM315 (or something like that) and it maxed out around 5M down. It may vary in areas, but the most common speed rating is 6000/384, not counting Powerboost. 8000/768 is also available in some areas, for about $10 more. With Powerboost, you can get about 12000 down for a few megs, and 1500 up for a meg or two. It then throttles back to your rated speed. Try the Motorola modem. You may have to go through the registration/partitioning routine. Call and give them the HFC MAC address. If you connect an unpartitioned modem, you will be restricted to a site where you can download software to do the registration. I haven't found it reliable. If your Motorola modem is actually in use elsewhere, it may or may not be restricted. Registering it at your new location will probably disable it at the old location. -- If there is a no_junk in my address, please REMOVE it before replying! All junk mail senders will be prosecuted to the fullest extent of the law!! http://home.att.net/~andyross | ||||||||||||||||||||||
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> Does it strain belief that the Toshiba modem is working "fine" but at half
> speed? I find it hard to believe, but not impossible.