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Shutting off quality of service options for wifi fixes my speed issues on my internet through Comcast?!?!? What?!?!?

9,489 3,649 April 15, 2016 at 09:25 PM Xfinity
For about six or so months now I've been having one issue or another with Comcast's internet. At first I was having it disconnect at 2 a.m. and stay off for 5-6 hours straight. This started happening around the time they pushed a new firmware to the modem I'm using(SBG 6580 combo modem/router).

To "fix" that they rolled back to the firmware before the one causing the issues and all was fine...for a while.

Then they rolled it back out a few months ago or so and my speed went from 150-160 Mbps down to around 1/3 of that.

I even had a tech come out on Wednesday to try fixing the issue if they could. They couldn't find anything wrong with the line coming into the house, so obviously they tried blaming my less than 3 year old modem/router combo for the issues.

Fast forward to tonight I'm checking Comcast's forums after having posted a thread that I'm STILL having issues with my speed or lack thereof. So I decided to try the suggestion the one user(SBG6580dude) mentioned and go into the wireless tab and shut off all the quality of service options then apply that.

Then for shits and giggles I did a speed test fully expecting to see NO change.

This is the results:

http://results.speedtest.xfinity....717944.png

Still trying to figure out how shutting OFF quality of service options for the wireless portion of the unit helped the wired connection to get fixed.
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CheapestGamer Pro
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Joined Dec 2010
Live Long And Suck It!
> bubble2 9,489 Posts
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CheapestGamer
04-15-2016 at 09:36 PM.
04-15-2016 at 09:36 PM.
Well that didn't last long. It seems to be back to 50-60 Mbps versus the result listed above. Mad
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Joined Jul 2013
Conservative with a gun
> bubble2 3,749 Posts
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Novakingwai
04-16-2016 at 06:12 AM.
04-16-2016 at 06:12 AM.
Cool story bro. Needs more dinosaur.
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Joined Jul 2005
Older than dirt
> bubble2 9,404 Posts
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VorlonFrog
04-16-2016 at 06:19 AM.
04-16-2016 at 06:19 AM.
The modem/router gets laggy after being online/connected for a period of time. Probably a memory leak in the firmware somewhere. Put the modem on a 24-hour timer to turn it off and back on every day.
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> bubble2 4,298 Posts
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fsyowad
04-16-2016 at 08:30 AM.
04-16-2016 at 08:30 AM.
Quote from VorlonFrog :
The modem/router gets laggy after being online/connected for a period of time. Probably a memory leak in the firmware somewhere. Put the modem on a 24-hour timer to turn it off and back on every day.

I didn't know you could do that. I am using DDWRT. Where are those settings?
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Joined Jul 2005
Older than dirt
> bubble2 9,404 Posts
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VorlonFrog
04-16-2016 at 09:49 AM.
04-16-2016 at 09:49 AM.
Quote from fsyowad :
I didn't know you could do that. I am using DDWRT. Where are those settings?
Administration tab, there's the ability to run Linux commands. I'm on mobile, but will get you a link to the wiki page later.

https://www.dd-wrt.com/wiki/index...led_reboot
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Last edited by VorlonFrog April 16, 2016 at 10:13 AM.
Joined Aug 2003
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> bubble2 4,298 Posts
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fsyowad
04-16-2016 at 10:51 AM.
04-16-2016 at 10:51 AM.
Quote from VorlonFrog :
Administration tab, there's the ability to run Linux commands. I'm on mobile, but will get you a link to the wiki page later.

https://www.dd-wrt.com/wiki/index...led_reboot

Thank you!!
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> bubble2 9,489 Posts
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CheapestGamer
04-16-2016 at 06:05 PM.
04-16-2016 at 06:05 PM.
Quote from VorlonFrog :
The modem/router gets laggy after being online/connected for a period of time. Probably a memory leak in the firmware somewhere. Put the modem on a 24-hour timer to turn it off and back on every day.
That's the thing. The connection was stable and strong before Comcast pushed out the new firmware a number of months ago. Not to mention that I did power cycle the modem at least once a week or so for a while. But it only after I was told that I didn't really need to do that for cable internet that I stopped.

How exactly do you put it on a 24 hour timer though? I'm self taught with troubleshooting these sort of issues and I've done port forwarding and bridging modems before but I don't think I've seen such an option in the menus for the SBG6580.
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Joined Jul 2005
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> bubble2 9,404 Posts
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VorlonFrog
04-16-2016 at 06:12 PM.
04-16-2016 at 06:12 PM.
Get an inexpensive lamp timer from Wal-Mart. Set it to turn off at 3 am or 4 am and back on 15 minutes later.
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> bubble2 9,489 Posts
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CheapestGamer
04-16-2016 at 06:48 PM.
04-16-2016 at 06:48 PM.
Quote from VorlonFrog :
Get an inexpensive lamp timer from Wal-Mart. Set it to turn off at 3 am or 4 am and back on 15 minutes later.
Ah. I thought you were mentioning some sort of option(s) in a menu somewhere for the modem itself. I think we have a lamp timer around here someplace that I could use.
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> bubble2 2,019 Posts
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cr8ter
04-16-2016 at 07:14 PM.
04-16-2016 at 07:14 PM.
try insulating the rj45 cable from the modem.
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> bubble2 18,308 Posts
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MsGal
04-16-2016 at 11:23 PM.
04-16-2016 at 11:23 PM.
We have Comcast and pay for Blast! internet, 75mbps. About 7 months ago our internet started getting really, really slooooow. They told us to buy a new modem, we bought a new modem. No change. They told us to buy a new router, we bought a new router. No change. They came out 3 different times and checked the cables. They have replaced the cables from my house to the easement and the cable from outside to the inside of my house. They have replaced all of the connectors. No change.

Now we play a game all week long called "who gets to call in and have the modem cycled?" Sometimes it gets cycled 10-12 times a week but it makes absolutely no difference in the speed.


They haven't the foggiest notion what the problem is but our internet speed is never more than 24 mbps. Sometimes it's only 11-13 mbps.

But they keep on billing me for Blast! internet. Mad Mad


If anyone has any suggestions, I'm listening.
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> bubble2 9,404 Posts
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VorlonFrog
04-17-2016 at 02:48 AM.
04-17-2016 at 02:48 AM.
Quote from MsGal :
We have Comcast and pay for Blast! internet, 75mbps. About 7 months ago our internet started getting really, really slooooow. They told us to buy a new modem, we bought a new modem. No change. They told us to buy a new router, we bought a new router. No change. They came out 3 different times and checked the cables. They have replaced the cables from my house to the easement and the cable from outside to the inside of my house. They have replaced all of the connectors. No change.

Now we play a game all week long called "who gets to call in and have the modem cycled?" Sometimes it gets cycled 10-12 times a week but it makes absolutely no difference in the speed.


They haven't the foggiest notion what the problem is but our internet speed is never more than 24 mbps. Sometimes it's only 11-13 mbps.

But they keep on billing me for Blast! internet. Mad Mad


If anyone has any suggestions, I'm listening.
Tell them (in writing!) because they're not actually providing Blast! service to your premises, you're not going to pay them for it. shake head Dispute your billing, every month they fail to provide service. Contact your state Public Service Commission. Contact your county, who grants them a franchise to operate cable in your area. If the erroneous billing continues, contact your state Attorney General, because it's fraud. They're billing you for a service they're not providing.
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> bubble2 2,851 Posts
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Beartrkkr
04-17-2016 at 01:50 PM.
04-17-2016 at 01:50 PM.
Class action lawsuit. You get a credit on your bill, the lawyers get millions. It's the American way.
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> bubble2 9,489 Posts
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CheapestGamer
04-17-2016 at 04:09 PM.
04-17-2016 at 04:09 PM.
Quote from MsGal :
We have Comcast and pay for Blast! internet, 75mbps. About 7 months ago our internet started getting really, really slooooow. They told us to buy a new modem, we bought a new modem. No change. They told us to buy a new router, we bought a new router. No change. They came out 3 different times and checked the cables. They have replaced the cables from my house to the easement and the cable from outside to the inside of my house. They have replaced all of the connectors. No change.

Now we play a game all week long called "who gets to call in and have the modem cycled?" Sometimes it gets cycled 10-12 times a week but it makes absolutely no difference in the speed.


They haven't the foggiest notion what the problem is but our internet speed is never more than 24 mbps. Sometimes it's only 11-13 mbps.

But they keep on billing me for Blast! internet. Mad Mad


If anyone has any suggestions, I'm listening.
Do exactly like VorlonFrog said, get in touch with them about the lack of speed. If you're not getting what you're supposed to be getting then you should be receiving a credit towards the bill EVERY month that it's not fixed.

I would suggest going to the support page after signing into your account online and do a chat with a customer service rep. They were the ones that gave me a $19.19 prorated credit for this coming month's bill for the lack of speed. The chat option is down the bottom of the page.

https://customer.xfinity.com/help.../internet/

Also I would suggest doubling down and making a thread on their support forum as well.

Those are located HERE:

http://forums.xfinity.com/t5/XFIN.../ct-p/CHSI

Just choose the forum that best matches the issue(s) you're having.
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Last edited by CheapestGamer April 17, 2016 at 04:22 PM.
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