Topic 'Re: [Speed] Xfinity is reducing user speeds' in forum 'Comcast XFINITY' - dslreports.com

Re: [Speed] Xfinity speed is reduced

Fri, 10 Apr 2020 12:15:14 EDT

Mtrain posted : See slower speed in Chicago download 680Mbp on 1 gig. Upload ok

Re: [Speed] Xfinity speed is reduced

Fri, 10 Apr 2020 12:08:08 EDT

btalbott posted : Day two of 30Mbps download, after running tests over the past 15 hours (even at 2a and 3am) and has been consistent at this speed. I wouldn't think this is a congestion issue, since I'm getting the same speeds at 2am and 3am. Again, I'm supposed to be getting 300. I can understand some slowdown, but 1/10 of what I'm supposed to get getting isn't acceptable. I have reset my modem several times, been told that they resent the boot file for my speed package, as well as connected a laptop directly to the modem. Still have the same results.

Re: [Speed] Xfinity speed is reduced

Thu, 09 Apr 2020 19:35:46 EDT

bwhitney posted : Thanks ComcastTedH, all is well now with my speeds. Download speeds are normal for this time of day at 500 to 940Mbps, depending on network congestion. In about 6 hours I am sure I will get a solid 900+Mbps, which is normal for the last 2 years. The one change is I can no longer see the config file name, only the status of OK. jbob mentioned this in his post above as a recent change.

Thanks to all!

Re: [Speed] Xfinity speed is reduced

Thu, 09 Apr 2020 18:59:32 EDT

btalbott posted : I really don't think so. This has been going on for over 12 hours now. Something else is going on. Many people on twitter are having the same issues.

Re: [Speed] Xfinity speed is reduced

Thu, 09 Apr 2020 18:54:39 EDT

kucharsk posted : I still think this is more likely to be local congestion than actual throttling.

Re: [Speed] Xfinity speed is reduced

Thu, 09 Apr 2020 18:25:06 EDT

btalbott posted : I'm supposed to be getting 300Mbps and all day today it never been above 30Mbps. Reset everything, but it appears that things are being throttled. I chatted with support and they are adamant that this isn't happening. Earlier this morning it was .6Mbps down, and only went to 30 after resetting my modem.
Hopefully it clears up.

Re: [Speed] Xfinity speed is reduced

Thu, 09 Apr 2020 18:14:06 EDT

ComcastTedH posted : Apologies for the delay. Thanks for providing some account information in ComcastDirect.

The maintenance issue I mentioned in this thread was not for you, that was for the other poster (tc60). Apologies for the confusion caused around that.

Looks like your Arris SB8200SB modem now has the correct configuration file for gigabit service.

Have you reset your router or are things working better now?

If the router still has the old bootfile cached on it then this may be causing the lower speeds.

Re: [Speed] Xfinity speed is reduced

Thu, 09 Apr 2020 16:42:57 EDT

clocks11 posted : I feel like my plan/modem has two different configs in recent weeks. I fairly consistently get either 350-360meg, or 270-280meg. I know it could be a "peak usage" thing, but what wouldn't explain why when reduced, the speed is still very consistent.

It's almost as if there is logic that if traffic is normal, then give full 360meg (300 + 20% over-provisioning). If traffic is heavy, then use "280meg config".

Re: [Speed] Xfinity is reducing user speeds

Thu, 09 Apr 2020 16:23:32 EDT

dv_42 posted : That's not common. Comcast has dramatically reduced their node sizes, especially now with Node+0 and getting ready for full duplex.

Re: [Speed] Xfinity is reducing user speeds

Thu, 09 Apr 2020 15:51:38 EDT

Arm posted : I don't feel like digging through reddit and posting links but 90% of people who were posting, were hard wired directly to a capable modem / router of their speed tier.

Re: [Speed] Xfinity is reducing user speeds

Thu, 09 Apr 2020 09:38:44 EDT

dv_42 posted :

said by brad152:

Few dozen shares 2.48Gbps vs 50-100 sharing 2.2-3Gbps?

More or less, yes.

As this thread has just proven, congestion on Comcast is uncommon.

It's been more than 10 years since I've seen congestion on any cable. Realistically, it's not an issue today. Fiber has gotten so close to the home, node sizes have gotten smaller, and most people are not maxing out their connections simultaneously.

Realistically, it's not an issue. I've seen FiOS gigabit customers report congestion occasionally, so GPON is not immune.

said by Arm:

But no where near as bad as the people posting on r/Comcast_Xfinity or r/Comcast on reddit. Paying for gig and getting maybe 50 Mbps.

That's not at all common or typical.

That's likely people testing over 2.4GHz Wi-Fi or super far from their router and wondering why the speed sucks.

The vast majority of "Why is my Internet slow?" cases are the result of poor home networking, not node congestion (which is rare).

Re: [Speed] Xfinity speed is reduced

Wed, 08 Apr 2020 23:07:35 EDT

jbob posted :

said by bwhitney:

Thank you guys for the discussion, and we have identified the problem. My modem is configured for Performance Pro, not the 1Gbps speed tier. While I always access the modem via /main url, all I do is ensure I have a config file and spend my time checking signal levels and uncorrected errors (almost always all zeros). The post from dexterii prompted me to actually parse the config file name and found I have the wrong config file. - config file is currently d11_m_sb8200_performancepro_c01.cm.

So my modem is configured for the lower speeds. In ComcastTedH's post above, he did identify my node as being in active maintenance, so my config file could have been changed intentionally or by accident. My neighborhood has grown significantly to 240 homes in the last 2 years. About 80% of the homes have commuter and/or telecommuters to DC Beltway organizations. As stated above, it only takes a few 1Gbps users to create congestion on a node.

ComcastTedH or ComcastGeno, can you please change my config file back to the correct 1Gbps file?

Thanks to all !!!

So basically Comcast pushed the incorrect Config File to your modem without notifying you of anything. If it was temporary...shame on them. If it was a stupid button pushing mistake.....just imagine how long this could have existed before you figured it out?

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 22:30:01 EDT

Arm posted : I'm seeing a little bit of a slow down on gig fiber with Verizon. Usually 800-850 down all day long but since this has all happened its normal to drop into the 500 to 700's in the afternoon. Upload was always ~935, currently between 600 to 700 in the afternoon.

I can't tell the difference though, streaming is fine, latency is normal in games, no lag spikes.

But no where near as bad as the people posting on r/Comcast_Xfinity or r/Comcast on reddit. Paying for gig and getting maybe 50 Mbps.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 22:12:59 EDT

brad152 posted :

said by dv_42:

said by brad152:

This is why Fiber is always better than Copper..

Fiber is shared too...

The GPON that Verizon and AT&T and Frontier use is 2Gbps shared among a few dozen customers.

Few dozen shares 2.48Gbps vs 50-100 sharing 2.2-3Gbps? You are saying that's anywhere near the same level?

Also, it's much easier to just add an additional optic wavelength to fiber to provide additional channels than DOCIS until they start dropping QAM carriers from TV.

said by bwhitney:

I'm glad you got it figured out!

Re: [Speed] Xfinity speed is reduced

Wed, 08 Apr 2020 22:10:16 EDT

bwhitney posted : Thank you guys for the discussion, and we have identified the problem. My modem is configured for Performance Pro, not the 1Gbps speed tier. While I always access the modem via /main url, all I do is ensure I have a config file and spend my time checking signal levels and uncorrected errors (almost always all zeros). The post from dexterii prompted me to actually parse the config file name and found I have the wrong config file. - config file is currently d11_m_sb8200_performancepro_c01.cm.

So my modem is configured for the lower speeds. In ComcastTedH's post above, he did identify my node as being in active maintenance, so my config file could have been changed intentionally or by accident. My neighborhood has grown significantly to 240 homes in the last 2 years. About 80% of the homes have commuter and/or telecommuters to DC Beltway organizations. As stated above, it only takes a few 1Gbps users to create congestion on a node.

ComcastTedH or ComcastGeno, can you please change my config file back to the correct 1Gbps file?

Thanks to all !!!

Re: [Speed] Xfinity speed is reduced

Wed, 08 Apr 2020 21:52:19 EDT

Kett2000 posted : I'm also getting reduced speeds on the downstream. Upload looks perfect. Lilburn, GA (Atlanta Area) on the 1000/35 Mbps plan. RFOG connection to the home. I guess downstream has really peaked in the COVID-19 era in my area. Before the pandemic hit I got 850+ mbps on the downstream any time of day. I'm not too worried as this is my backup connection. AT&T Fiber 1000/1000 Mbps service is primary.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 21:22:17 EDT

dv_42 posted :

said by brad152:

This is why Fiber is always better than Copper..

Fiber is shared too...

The GPON that Verizon and AT&T and Frontier use is 2Gbps shared among a few dozen customers.

Re: [Speed] Xfinity is intentionally reducing speeds user speeds

Wed, 08 Apr 2020 21:21:06 EDT

EnasYorl posted :

said by redbeard916:

I wouldn't be at all surprised if they were throttling people

Just ran this test and no issues.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 20:20:50 EDT

dexterii posted :

said by jbob:

Does your SB8200 still show the current Config File loaded? Seems like a recent update removed that from the users view.

If you go to »192.168.100.1/main.html instead of the default index page it will show the config file.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 19:53:47 EDT

skj posted : To make a statement that Comcast is purposely reducing speeds is not fair when it could very well be due to a number of other issues. A convenient excuse is to blame a purposeful speed reduction on Covid-19 when it probably has nothing to do with it.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 19:34:15 EDT

bwhitney posted : Thank you Ted, I have started a thread in Comcast Direct based on this thread.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 18:40:49 EDT

ComcastTedH posted : Apologies. You may have symptoms that are similar to this one.

I'll check in with ComcastGeno who has been working on your issue in Comcast Direct. Thanks for your continued patience.

EDIT: I'm seeing some active plant maintenance work in your node (neighborhood) that may be one of the causes (or the start of a solution) of the issue you described. More details in your Comcast Direct thread.

EDIT: To add that this message was responding to tc60.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 18:24:11 EDT

t60 posted :

said by ComcastTedH:

Apologies for the issue and the experience that you described above. Can you provide some account information (name, address, phone number or account number) over in Comcast Direct so that we can see what could be going on?

To be quite clear, we are not reducing speeds in most all cases.

One exception (that is very new) is for customers that are significantly overdue on payments, we reduce speeds but still keep their internet and voice services on.

»corporate.comcast.com/co ··· /network

Comcast Direct: »Comcast Direct

Given I also have this issue, and already posted in the Direct forum; what's next? I (on my own accord) decided to purchase a new modem to try and take advantage of the additional channels, but am a bit frustrated I haven't been able to do much work in the past couple of weeks. My phone hotspot is providing more reliable service, which shouldn't be the case..

Re: [Speed] Xfinity is intentionally reducing speeds user speeds

Wed, 08 Apr 2020 17:30:38 EDT

Wayne99021 posted : My speeds were all over the place until ComcastGeno on the direct forum did his magic to my modem.
Now my speed is higher and much more constint.

Re: [Speed] Xfinity is intentionally reducing speeds user speeds

Wed, 08 Apr 2020 17:07:27 EDT

ComcastTedH posted : To be quite clear, we are not reducing speeds in most all cases.

One exception (that is very new) is for customers that are significantly overdue on payments, we reduce speeds but still keep their internet and voice services on.

»corporate.comcast.com/co ··· /network

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 17:06:17 EDT

ComcastTedH posted : Apologies for the issue and the experience that you described above. Can you provide some account information (name, address, phone number or account number) over in Comcast Direct so that we can see what could be going on?

To be quite clear, we are not reducing speeds in most all cases.

One exception (that is very new) is for customers that are significantly overdue on payments, we reduce speeds but still keep their internet and voice services on.

»corporate.comcast.com/co ··· /network

Comcast Direct: »Comcast Direct

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 14:42:00 EDT

camper posted :

said by brad152:

OR.. maybe, it's because it's DOCIS and y'all are sharing ~2.2Gbps downstream/83-120Mbps upstream with everyone else connected to your node.

I'm thinking that is the more likely explanation.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 14:40:50 EDT

camper posted :

said by bwhitney:

No conspiracy, just a simple technical decision by Xfinity to share limited resources during a national emergency.

I'd prefer to see the test results of more than just one user before I'd hang my hat on such a statement.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 14:26:38 EDT

brad152 posted : OR.. maybe, it's because it's DOCIS and y'all are sharing ~2.2Gbps downstream/83-120Mbps upstream with everyone else connected to your node.

Everyone working from home is just using more bandwidth than Comcast planned for in your area, so your service is slowing down.

This is why Fiber is always better than Copper..

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 13:10:18 EDT

t60 posted : Hate to say it, but I think it's true. Weekends I get high throughput and from 8am to 6pm on the weekdays it slows down to a crawl. It's too much of a coincidence IMO.

I have a thread open in the Direct forum, but haven't heard anything other than "try the speedtest again connected directly to the modem" (I get their intent, but after providing even more data directly connected, it's been crickets).

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 07:32:18 EDT

jbob posted : Does your SB8200 still show the current Config File loaded? Seems like a recent update removed that from the users view. Which sucks. As I mentioned in your other post if they are throttling you I would expect a lowering of the Bill.
You might try posting in Direct and asking what Config File is loaded if you cannot see it in the modem Admin pages. Or as some others suggested how about your signal stats and/or Event Log entries.

The seemingly locked 5 Mb Upstream has me curious.

Re: [Speed] Xfinity is reducing user speeds

Wed, 08 Apr 2020 05:58:54 EDT

bwhitney posted : No conspiracy, just a simple technical decision by Xfinity to share limited resources during a national emergency. Technical issues are not a problem. I'm a retired EE and know where to look. I live in a newish neighborhood with Xfinity fiber run to the distribution point across the street from my home.

Re: [Speed] Xfinity is intentionally reducing speeds user speeds

Wed, 08 Apr 2020 03:54:33 EDT

kucharsk posted : Why not look for a technical issue rather than a Comcast conspiracy? Perhaps they inadvertently reverted your SB8200 config file to that for a slower tier.

I have subscribed to the 1 Gbps tier for years, and I got near that before and continue to do so, even during the day when everyone is working from home and distance learning.

One of the side benefits of the "Fiber Deep" project Comcast embarked on in many areas - greater bandwidth deeper into residential areas.

Re: [Speed] Xfinity is intentionally reducing speeds user speeds

Wed, 08 Apr 2020 03:01:46 EDT

redbeard916 posted : I wouldn't be at all surprised if they were throttling people

[Speed] Xfinity speed is reduced

Wed, 08 Apr 2020 02:55:13 EDT

bwhitney posted : I have been on the 1Gbps/35Mbps plan for 21 months and have never had a problem reaching those speeds, at least during off peak hours, but usually I was getting close to the 1Gbps anytime. Now I get 240Mbps/ 5Mbps. Using several speed test sites the last 2 days the speeds are rock solid 240/5 on every site. For those test sites, such as the dslreports test, where graphs are presented during the speed test, the test results ramp up as expected then straight line at a solid 240/5 for the rest of the test.

The only way this can happen is if my SB8200 modem is provisioned for these speeds OR Xfinity has a speed limiter further up the network. My test results are rock solid for the last 2 days of testing. If speeds were network congestion, the speed tests would vary by test site and time of day, which I don't see in my testing, only the rock solid 240/5 speeds.

I wouldn't mind a speed cut during the current COVID-19 pandemic if I had been told by Xfinity they were doing these speed reductions. Because of the speed reduction, my Internet access has been erratic and unpredictable until I identified the speed reduction. I use cloud backup and cloud based drives for regular file access from three computers, Netflix, Amazon, and 4 security camera with cloud based storage, etc. If I had known about the (hopefully) temporary speed reduction, at least for the 1Gbps customers, I could have reconfigured my cloud uploads and other usage to accommodate the speed reduction before experiencing Internet access problems.

I know we need to share the available Xfinity capacity during this pandemic, but Xfinity should have notified their customers to prevent the frustration with Internet access and allow users to adjust their Internet usage accordingly.