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Erchant115781
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39 Messages

Tuesday, April 21st, 2020 5:00 PM

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95 Mbps Download on a 600 Mbps Plan help!!!

Event Log

The table below contains the log of events that the SB8200 has detected. This log can be important to the service provider to help diagnose and correct problems, if any should occur.

Date Time Event ID Event Level Description
04/19/2020 14:30 84000500 3 "SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=2c:95:69:5c:b2:bd;CMTS-MAC=0c:11:67:02:7c:ee;CM-QOS=1.1;CM-VER=3.1;"
04/19/2020 14:18 2436694061 5 "Dynamic Range Window violation"
04/19/2020 14:18 82001100 5 "RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=2c:95:69:5c:b2:bd;CMTS-MAC=0c:11:67:02:7c:ee;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 2436694066 6 "Honoring MDD; IP provisioning mode = IPv6"
01/01/1970 00:00 82000200 3 "No Ranging Response received - T3 time-out;CM-MAC=2c:95:69:5c:b2:bd;CMTS-MAC=0c:11:67:02:7c:ee;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=2c:95:69:5c:b2:bd;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
04/19/2020 14:16 84000500 3 "SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=2c:95:69:5c:b2:bd;CMTS-MAC=0c:11:67:02:7c:ee;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=2c:95:69:5c:b2:bd;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=2c:95:69:5c:b2:bd;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00 84000100 3 "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=2c:95:69:5c:b2:bd;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"

Question

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4 years ago

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Accepted Solution

Erchant115781

Contributor

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39 Messages

5 years ago

I have to respectively apologize, I took the wall plate off and found the culprit. I replaced the line and walla my speed is fantastic. I feel like a terrible person because this was in fact in my home behind the wall plate and not on xfinity!

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Jaydeezy

Visitor

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4 Messages

Hi there! I am having the same problem with my SB8200 modem and I have the 800 Mbps package, but I am only receiving 350 Mbps capped! What was the issue you found after taking off the wall plate??

4 years ago

0

EG

Expert

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111.4K Messages

@Jaydeezy 

Please create a new topic of your own here on this board detailing your issue. Thanks.  Year old dead thread 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

4 years ago

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Erchant115781

Contributor

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39 Messages

5 years ago

Speed Test Via xfinity

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Erchant115781

Contributor

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39 Messages

5 years ago

Connection

The status listed show the connection state of the cable modem. They are used by your service provider to evaluate the operation of the cable modem.

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 561000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Configuration File OK  
Security Enabled BPI+
DOCSIS Network Access Enabled Allowed  

 
Downstream Bonded Channels
Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables
17 Locked QAM256 561000000 Hz 10.8 dBmV 41.3 dB 0 0
1 Locked QAM256 459000000 Hz 9.8 dBmV 41.5 dB 0 0
2 Locked QAM256 465000000 Hz 9.7 dBmV 41.1 dB 0 0
3 Locked QAM256 471000000 Hz 9.7 dBmV 41.4 dB 1 0
4 Locked QAM256 477000000 Hz 9.9 dBmV 41.5 dB 0 0
5 Locked QAM256 483000000 Hz 10.0 dBmV 41.6 dB 0 0
6 Locked QAM256 489000000 Hz 10.1 dBmV 41.3 dB 0 0
7 Locked QAM256 495000000 Hz 10.1 dBmV 41.5 dB 0 0
8 Locked QAM256 507000000 Hz 10.4 dBmV 41.4 dB 0 0
9 Locked QAM256 513000000 Hz 10.5 dBmV 41.6 dB 2 0
10 Locked QAM256 519000000 Hz 10.6 dBmV 41.7 dB 1 0
11 Locked QAM256 525000000 Hz 10.5 dBmV 41.3 dB 0 0
12 Locked QAM256 531000000 Hz 10.7 dBmV 41.4 dB 1 0
13 Locked QAM256 537000000 Hz 10.8 dBmV 41.6 dB 0 0
14 Locked QAM256 543000000 Hz 10.6 dBmV 41.4 dB 2 0
15 Locked QAM256 549000000 Hz 10.7 dBmV 41.5 dB 0 0
16 Locked QAM256 555000000 Hz 10.6 dBmV 41.3 dB 0 0
18 Locked QAM256 567000000 Hz 10.5 dBmV 41.3 dB 2 0
19 Locked QAM256 573000000 Hz 10.5 dBmV 41.4 dB 0 0
20 Locked QAM256 579000000 Hz 10.5 dBmV 41.4 dB 6 0
21 Locked QAM256 585000000 Hz 10.5 dBmV 41.4 dB 3 0
22 Locked QAM256 591000000 Hz 10.4 dBmV 41.5 dB 1 0
23 Locked QAM256 597000000 Hz 10.3 dBmV 41.1 dB 1 0
24 Locked QAM256 603000000 Hz 10.3 dBmV 41.5 dB 8 0
25 Locked QAM256 609000000 Hz 10.3 dBmV 41.3 dB 4 0
26 Locked QAM256 615000000 Hz 10.3 dBmV 41.1 dB 4 0
27 Locked QAM256 621000000 Hz 10.5 dBmV 41.3 dB 4 0
28 Locked QAM256 627000000 Hz 10.4 dBmV 41.3 dB 2 0
29 Locked QAM256 633000000 Hz 10.4 dBmV 41.1 dB 5 0
30 Locked QAM256 639000000 Hz 10.2 dBmV 40.6 dB 6 0
31 Locked QAM256 645000000 Hz 10.4 dBmV 41.2 dB 8 0
32 Locked QAM256 651000000 Hz 10.5 dBmV 41.0 dB 3 0
159 Locked Other 690000000 Hz 11.4 dBmV 39.5 dB 0 0



 
Upstream Bonded Channels
Channel Channel ID Lock Status US Channel Type Frequency Width Power
1 4 Locked SC-QAM Upstream 16200000 Hz 6400000 Hz 34.0 dBmV
2 1 Locked SC-QAM Upstream 35700000 Hz 6400000 Hz 35.0 dBmV
3 2 Locked SC-QAM Upstream 29200000 Hz 6400000 Hz 35.0 dBmV
4 3 Locked SC-QAM Upstream 22700000 Hz 6400000 Hz 34.0 dBmV



 

Current System Time: Tue Apr 21 16:52:25 2020

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Erchant115781

Contributor

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39 Messages

5 years ago

xfinity Connection outside on my wall xfinity hooked up!

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Erchant115781

Contributor

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39 Messages

5 years ago

Lease Obtained. . . . . . . . . . : Tuesday, April 21, 2020 5:36:50 PM
Lease Expires . . . . . . . . . . : Wednesday, April 22, 2020 5:36:48 PM

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Erchant115781

Contributor

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39 Messages

5 years ago

Check if there is a service interruption "NOPE"

 

Recent changes in your service "NOPE"

 

Verify equipment/operating system meet minimum system requirements "100%"

 

Verify modem compatibility "100%"

 

 

 

 

ARRIS SB8200

Cable Modem

View details

 

Determine if your problem is router-based or modem/signal-based (not applicable to gateway devices) "DONE"

 

Reset your equipment "A MILLION TIMES PER YOUR REQUEST"

 

Pay attention to the lights on the front of your modem "ITS NOW ETCHED IN MY BRAIN"

 

Check your signal levels "DONE"

 

Check Codewords "DONE"

 

Check the event log "DONE"

 

Inspect cabling "DONE" SENT PICTURE OF YOUR INSTALL!!!

 

Check F-Connectors "DONE" AGAIN YOUR INSTALL PICTURES!!!

 

Check the quality/status of all splitters "DONE" YOUR SPLITTER IS IT QUALITY??

 

Examine IP lease times "DONE" SEE PICTURE

 

Verify your speed tier "THIS IS FUNNY BUT DONE" 

 

Security Software "REMOVED IT"

 

Traceroutes and ping tests "OVER AND OVER"

 

CAN I PLEASE GET MY SPEED BACK!!!

HAVE I COMPLETED ENOUGH FOR YOU ON MY END????

 

 

 

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Erchant115781

Contributor

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39 Messages

5 years ago

Microsoft Windows [Version 10.0.18363.778]
(c) 2019 Microsoft Corporation. All rights reserved.

C:\Users\jstin>ping -t www.comcast.net

Pinging e7010.dscg.akamaiedge.net [23.198.152.157] with 32 bytes of data:
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=18ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=16ms TTL=57
Reply from 23.198.152.157: bytes=32 time=18ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=18ms TTL=57
Reply from 23.198.152.157: bytes=32 time=18ms TTL=57
Reply from 23.198.152.157: bytes=32 time=20ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=20ms TTL=57
Reply from 23.198.152.157: bytes=32 time=17ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=16ms TTL=57
Reply from 23.198.152.157: bytes=32 time=19ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=17ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=18ms TTL=57
Reply from 23.198.152.157: bytes=32 time=14ms TTL=57
Reply from 23.198.152.157: bytes=32 time=15ms TTL=57

Ping statistics for 23.198.152.157:
Packets: Sent = 71, Received = 71, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 14ms, Maximum = 20ms, Average = 15ms
Control-C
^C
C:\Users\jstin>

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Erchant115781

Contributor

 • 

39 Messages

5 years ago

I have never had a problem with the speed until now all my computers have the same test results using the app or the website. My computer is in fack 1000% GIGABIT!!! so rest assured it is not my computer.

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Erchant115781

Contributor

 • 

39 Messages

5 years ago

I have been working tirelessly on this. We cannot continue at this speed it can not and will not do for my family's situation.

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UkuleleMaster801

New Poster

 • 

3 Messages

5 years ago

Hi there, 

 

In many situations with gig speed accounts I have seen in the past, I will use speedtest.net's downloadable exe file found on their website. They actually reccomend using the app for speeds higher than 100mbps because of limitations with web browser based speedtest. You should try that and let me know.

 

Further more, do you know if your computer/device can handle 600mbps or higher, let me know? Im always willing to lend a helping hand to my fellow internet users. 

 

Your signal looks to be withing range for comcast to operate correctly, snr looks good as so do your upstream and downstream levels. 

 

Your upload speed appears to be correct to speed plan, however your upstream levels should be around 40-47dbmv im my experince, gives more resilience when dealing with heavy spikes of fm ingress. 

 

Let me know! 

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Erchant115781

Contributor

 • 

39 Messages

5 years ago

This is with the web site!

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Erchant115781

Contributor

 • 

39 Messages

5 years ago

Just for the heck of it I directly connected my sons brand new 2020 gaming desktop and performed another modem reset and ran another speed test via the exe application "APP" and received the same results FYI

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Erchant115781

Contributor

 • 

39 Messages

5 years ago

Yessir Multiple times, no matter what I do we are getting a perfect 95 Mbps Download and 17 Mbps upload. I am 1000% confident this is at the pole or Comcast's side. I am beyond frustrated right now.

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0

Shankarhokie

Contributor

 • 

58 Messages

5 years ago

Did you do a modem power reset and try?

 

I am having to do this daily for the past 5 weeks since quarantine started.  My 600Mbps plan crawls to 6Mbps on a hard connected desktop computer.

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0

Nerd

Expert

 • 

24.4K Messages

5 years ago

Did you try the gigabit troubleshooting video? It is stickied at the top of the forum.

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