Urza9814
@comcast.net
| [Speed] Only getting 30-60% speed
Ok, so I'm paying for the lowest comcast HSI plan - 6mbit down, 1mbit up. Recently, I was at a friend's house who has the same plan and I noticed files would upload above 100KB/s, while at my house I'm lucky to hit 30KB/s.
According to speedtest.net and speakeasy, I'm only getting around 4.2mbit down and .3 mbit up. I called support and they said there was no problem on their end and sent out a tech. He was just here about a half hour ago, plugged in his little testing thing, said the signal was fine (I think it's a _bit_ low, I'll get to that in a bit), and proceeded to run some online tests. First he tried speakeasy...and got about the same results I did. He proceeded through about 4 different servers before going to disney.com to see how that loaded. He then asked what test I used, where I directed him to speedtest.net. After I taught him how to use it, he ran three tests on that, getting the same results. So then he finally found some crappy site that tests using 250k pages and only tests download speed, came up with 7Mbit, and essentially said 'everything's fine, you're just using crappy sites. Sign here please.'
By the way, all this took about a half hour because this guy couldn't type and barely knew how to use a computer - at one point he even hit a google ad thinking it was part of the site.
So anyways, since he was useless, here's what _I've_ found:
downstream speed: 4Mb/s - 5Mb/s
upstream speed: 300Kb/s - 350Kb/s
Trasmit level: 48.3 dBmV
Receive level: -1.3 dBmV
Modem: WebSTAR DPC2100R2
Hardware version: 2.0
Software version: v2.0.2r1256-060303
I've also tried both cable drops into my house (one for the internet, one split for TV - I tried that one at two separate locations) and got the same results each time. I even considered testing it out at the pole itself to completely remove any possibility that the problem was on my end, but I couldn't get the connector unscrewed. Anyways, anyone have any suggestions? |
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Rob
In Deo speramus, God Bless the USA
Premium
join:2001-08-25
Kendall, FL
 ·Comcast
| Comcast offers a 4mb plan to customers who do not subscribe to Comcast TV. Does that sound like you?
I think your signal levels look fine.
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Urza9814
@comcast.net
| reply to Urza9814
No, we've got a bundle with our cable TV. That's interesting though, that plan doesn't appear to be listed on their website.
And yea, my signal levels seem ok, but from what I've read optimal levels are 0-2 for receive and under 50 for transmit, so our receive is a bit under that...but yes, I have read that they don't consider it a problem until receive is around -14, so I didn't really think that was the problem. |
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Urza9814
@comcast.net | reply to Urza9814
Sorry about the double post, but I also wanted to add that the phone tech did confirm that those numbers are lower than they're supposed to be for our plan. |
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Rob
In Deo speramus, God Bless the USA
Premium
join:2001-08-25
Kendall, FL
·Comcast
| reply to Urza9814
Can you post an actual image of the speedtest result from www.speedtest.net?
Your signal levels are fine, so that's not what is causing the speed problems.
You could try getting another modem, just to make sure it isn't the modem.
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Urza9814
@comcast.net
| reply to Urza9814
Yea, we were actually considering buying a modem and getting rid of this one we rent from comcast. I was kinda thinking it could be the problem...they've had to switch our modem several times already. The last time it was because every day, from around 5:00pm to around 8:00pm our internet would just die. This went on for about two weeks before I finally got a tech on the phone who said he thought someone might be stealing cable and sent someone out who ended up replacing our modem.
Anyways, here's my speedtest.net results:
If we do get a new modem, are there any you'd recommend? The ones we'd gotten from Comcast have all had problems. And they've all been Scientific Atlanta, so I've been thinking about avoiding that brand. Motorola seems to have some decent ones though. |
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Rob
In Deo speramus, God Bless the USA
Premium
join:2001-08-25
Kendall, FL
·Comcast
| reply to Urza9814
Linksys CM100 »www.amazon.com/Linksys-CM100-Cab···1&sr=1-1
Linksys BEFCMU10 ver. 4 »www.amazon.com/Linksys-BEFCMU10-···4&sr=8-1
Motorola SB5101 »www.amazon.com/Motorola-Surfboar···2&sr=1-3
If you post your MAC ID #, maybe someone can just verify that you are provisioned correctly.
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Urza9814
@comcast.net | reply to Urza9814
Alright, thanks. My MAC number is 00:16:92:53:ed:6c |
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anontech
@stsn.net | reply to Urza9814
Re: [Speed] Only getting 30-60% speed
You are provisioned for 4400 down and 384 up. You need to call Comcast and ask them to switch you to the correct rate code. |
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Zifnab
join:2008-03-30
Pittsburgh, PA
| reply to Urza9814
Looks like you're on an old Adelphia plan that should be 6/1, but your modem has the standard config file instead of the silverpboost file. I'm in your market, and can try a couple things with it if you want, or you can just call back in and see if the rep can reprovision your modem. |
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Urza9814
@comcast.net
| reply to Urza9814
Ah, thanks for all the help! Yea, we've had this service since it was Adelphia, so that's entirely possible I guess. That's basically what I thought was happening at first, but you'd think that'd be the first thing they'd look at when you call support. Anyways, I'll go call them again, see if I can't get this fixed. |
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EG
The wings of love
Premium
join:2006-11-18
Union, NJ
| reply to Rob
said by Rob  :Your signal levels are fine, so that's not what is causing the speed problems. Too bad that modem doesn't display the downstream SNR.. |
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EG
The wings of love
Premium
join:2006-11-18
Union, NJ
| reply to Rob
said by Rob :If you post your MAC ID #, maybe someone can just verify that you are provisioned correctly. I would only ask for that via an I.M., but that's just me, Mr.paranoia..  |
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Michael2
Premium,VIP
join:2003-04-01
Owings Mills, MD
| reply to EG
said by EG :said by Rob :Your signal levels are fine, so that's not what is causing the speed problems. Too bad that modem doesn't display the downstream SNR.. EG,
Here are the current signal levels (including SNR):
Downstream Receive: -1.5dBmV
Upstream Transmit: 47.5dBmV
Signal to Noise Ratio: 38.4dB
All are in range. The problem, as reported, is that the modem is still provisioned for 4/384 and needs to be updated with the correct config. A simple phone call should correct this. I am surprised that we did not catch this prior to sending out a tech.
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Comcast.net Help Forum Administrator. |
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EG
The wings of love
Premium
join:2006-11-18
Union, NJ
| said by Michael2 :EG, Here are the current signal levels (including SNR): Downstream Receive: -1.5dBmV Upstream Transmit: 47.5dBmV Signal to Noise Ratio: 38.4dB All are in range. Thanks for posting their SNR Michael !
But there you go again using the *unfair* advantage..
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