Crabtree23's profile

Visitor

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2 Messages

Saturday, September 4th, 2021 12:45 AM

Closed

Intermittent Internet Connection Drops

Hello,

I've been having issues for several months now and I'm out of ideas so I'm reaching out for help.

My internet connection drops out randomly for 5-30 seconds dozens of times a day. When it's working it works fine and the speeds I get from speed tests are great.

I've tried the troubleshooting tips at https://forums.xfinity.com/conversations/your-home-network/internet-troubleshooting-tips/602dae4ac5375f08cde52ea0#M316652

I've also restarted my modem and router hundreds of times, and even bought a new modem and router to confirm those weren't the problem.

Plan: Gigabit Internet

Modem: MB8611

Router: NETGEAR RAX200

The splitter coming into the house was provided by Comcast, it is a 2 way splitter, with 1 way unused and the other going directly to the modem port. The house and street are only several years old so all wiring should be fairly new as well.

The internet drops on both wireless and wired devices. Most of my devices are hardwired to an unmanaged switch connected to the router.

Downstream Bonded Channels  
  
   Channel Lock Status Modulation Channel ID Freq. (MHz) Pwr (dBmV) SNR (dB) Corrected Uncorrected
   1 Locked QAM256 41 675.0 3.5 40.6 1232 2145
   2 Locked QAM256 13 507.0 2.3 40.9 3643 3711
   3 Locked QAM256 14 513.0 1.9 40.6 2774 2916
   4 Locked QAM256 15 519.0 2.0 40.6 2669 3594
   5 Locked QAM256 16 525.0 2.0 40.6 2577 3021
   6 Locked QAM256 17 531.0 2.1 40.5 2480 3372
   7 Locked QAM256 18 537.0 2.0 40.4 2514 3020
   8 Locked QAM256 19 543.0 2.2 40.5 2259 3318
   9 Locked QAM256 20 549.0 2.1 40.4 2513 3099
   10 Locked QAM256 21 555.0 2.2 40.5 2241 3337
   11 Locked QAM256 22 561.0 2.4 40.5 2178 3198
   12 Locked QAM256 23 567.0 2.5 40.3 2129 3332
   13 Locked QAM256 24 573.0 2.5 40.5 2211 3320
   14 Locked QAM256 25 579.0 2.5 40.6 1947 3171
   15 Locked QAM256 26 585.0 2.5 40.6 2140 3393
   16 Locked QAM256 27 591.0 2.9 40.5 1706 2939
   17 Locked QAM256 28 597.0 2.9 40.6 1883 3263
   18 Locked QAM256 29 603.0 3.0 40.7 1568 2683
   19 Locked QAM256 30 609.0 3.1 40.7 1769 3174
   20 Locked QAM256 31 615.0 3.0 40.6 1515 2414
   21 Locked QAM256 32 621.0 3.2 40.7 1563 2991
   22 Locked QAM256 33 627.0 3.3 40.7 1382 2500
   23 Locked QAM256 34 633.0 3.3 40.6 1285 2653
   24 Locked QAM256 35 639.0 3.3 40.6 1183 2266
   25 Locked QAM256 36 645.0 3.4 40.6 1253 2352
   26 Locked QAM256 37 651.0 3.3 40.6 1299 2141
   27 Locked QAM256 38 657.0 3.3 40.5 1226 2196
   28 Locked QAM256 39 663.0 3.5 40.6 1255 2179
   29 Locked QAM256 40 669.0 3.7 40.6 1069 2044
   30 Locked QAM256 42 681.0 3.7 40.7 1131 1923
   31 Locked QAM256 43 687.0 3.5 40.6 1139 2141
   32 Locked QAM256 44 693.0 3.3 40.5 1096 1900
   33 Locked OFDM PLC 159 702.0 4.1 40.6 1082 0


   Upstream Bonded Channels  
  
   Channel Lock Status Channel Type Channel ID Symb. Rate (Ksym/sec) Freq. (MHz) Pwr (dBmV)
   1 Locked SC-QAM 1 5120 36.5 42.5
   2 Locked SC-QAM 2 5120 30.1 42.0
   3 Locked SC-QAM 3 5120 23.7 41.5
   4 Locked SC-QAM 4 5120 17.3 41.5
   5 Locked SC-QAM 5 1280 40.5 43.0

Below commands are from when things are working fine:

tracert www.comcast.net

Tracing route to e7010.dscg.akamaiedge.net [104.100.199.11]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  192.168.1.1
  2    14 ms     8 ms    11 ms  96.120.69.33
  3     9 ms    18 ms    13 ms  24.124.215.89
  4     9 ms    10 ms    10 ms  96.108.70.229
  5    14 ms    14 ms    11 ms  162.151.113.73
  6    17 ms    14 ms    13 ms  50-222-48-18-static.hfc.comcastbusiness.net [50.222.48.18]
  7    12 ms    12 ms    18 ms  a104-100-199-11.deploy.static.akamaitechnologies.com [104.100.199.11]

Trace complete.

ping -t www.comcast.net

Pinging e7010.dscg.akamaiedge.net [104.100.199.11] with 32 bytes of data:
Reply from 104.100.199.11: bytes=32 time=16ms TTL=59
Reply from 104.100.199.11: bytes=32 time=16ms TTL=59
Reply from 104.100.199.11: bytes=32 time=12ms TTL=59
Reply from 104.100.199.11: bytes=32 time=13ms TTL=59
Reply from 104.100.199.11: bytes=32 time=17ms TTL=59

When things are not working fine:

Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Reply from 104.100.199.11: bytes=32 time=18ms TTL=59
Reply from 104.100.199.11: bytes=32 time=12ms TTL=59
Request timed out.
Reply from 104.100.199.11: bytes=32 time=29ms TTL=59
Request timed out.
Reply from 104.100.199.11: bytes=32 time=14ms TTL=59
Reply from 104.100.199.11: bytes=32 time=44ms TTL=59
Reply from 104.100.199.11: bytes=32 time=29ms TTL=59

Gold Problem Solver

 • 

2.9K Messages

4 years ago

Hey there! I know it's been a couple of days since you reached out. Has the issue resolved? If not, let us know so we can help out. I've had a similar issue in the past with my modem, but it resolved on itself after a couple days. Let us know what we can do to help! -MartinB

Visitor

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10 Messages

@XfinityMartinB 

I've had the same issue for months. The Xfinity techs told me it is not a modem issue. It's an issue in the main line in my neighborhood that they won't take the time to fix because they would have to pay a tech overtime to monitor the line overnight and troubleshoot the origin.

Visitor

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2 Messages

@XfinityMartinB Hello, the issue has not been resolved. I don't think the issue is modem related as I've tried 2 separate modems with the same issues. Is there anything else I can try?

Official Employee

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2.2K Messages

Hi,@Crabtree23! I am sorry to hear that the issue has not been resolved. I never like to experience internet service issues. Especially when the internet service is so critical to have these days. What I would like to do from here is additional troubleshooting steps on my end that may leave you with a service interruption for about 3 to 5 minutes. To get started, would you mind sending me a direct message with your name and full address? You can start by clicking the chat icon located in the top right corner on your forums page when signed in. Once there, you can search for "Xfinity Support" to compose your direct message.

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick

Visitor

 • 

10 Messages

4 years ago

It's probably an issue with the main line in your neighborhood. I've had the same problem for months. Several Comcast techs and a supervisor have been to my house to check my equipment. They've found no problem with anything in my house and have said that the problem is somewhere else upstream from me, yet they've failed to fix the problem. So I get to restart my modem several times a week and hope that my internet doesn't drop when I'm in the middle of something important like taking an online test that I will fail if my internet drops while I'm taking it.

Visitor

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1 Message

4 years ago

I am having the same issue here, intermittent drops for 30-60 seconds, always during the day time hours. Does not seem to happen as much after 5pm. Same symptoms every time both wired and wireless connected devices drop. All (routers, splitters, etc) are xfinity provided.  Restarting the gateway does nothing to clear the issue as it will return sometimes within minutes. Is there an open incident/ticket that can be tracked? 

Official Employee

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923 Messages

Hi, @user_742f04 I want to look into your account specificially and check the timeouts on the modem and see what we can figure out. Please send us a direct message with your name and address in full.

 

To send a direct message, please click on the chat icon in the top-right corner of the screen, and select "Xfinity Support" to initiate a live chat. 

 

Click "Sign In" if necessary

Click the "direct messaging" icon or https://comca.st/2X9NpBZ

Click the "New message" (pencil and paper) icon

Type "Xfinity Support" in the "To:" line and select "Xfinity Support" from the drop-down list which appears. The "Xfinity Support" graphic replaces the "To:" line

Type your message in the text area near the bottom of the window

Press Enter to send it

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick

New Poster

 • 

5 Messages

3 years ago

Was this ever been resolved? I have the same issue and gone through the same replacement of equipment. 

Expert

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110.2K Messages

@Housbeek​ 

Please create a new topic of your own here on this board detailing your issue. Thanks. The original poster has not returned. 5-month-old dead thread is now being closed.
 

I am not a Comcast Employee.
I am a Customer Expert volunteering my time to help other customers here in the Forums.
We ask that you post publicly so people with similar questions may benefit from the conversation.

Was your question answered? Please mark an Accepted Answer!tick
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