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About Shankarhokie
since
12-17-2015
12-14-2020
Shankarhokie
Contributor
35
Posts
9
Kudos
0
Solutions
11-17-2020
09:27 AM
Have you tried connecting to the modem directly and conducted a speedtest? Did you check speeds here? https://speedtest.xfinity.com/ Also, look at the max possible wifi speeds for various devices https://speedtest.xfinity.com/devicespeeds
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11-16-2020
10:20 AM
What are foks that do not have an Xfinity Gateway plannig to replace Norton with? Subscribe to Norton? Others?
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Labels:
11-15-2020
02:16 PM
1 Kudo
Every time I bought a new modem or router, I've had to call tech support to provision the modem. You can also do this via Chat. They'll ask for the modem's MAC ID and they'll enter it in their system. Then they'll do a reboot and your modem will go online.
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11-15-2020
09:13 AM
2 Kudos
@ComcastMartin I am all set! Enjoying the gigabit speeds.
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11-15-2020
09:10 AM
It is the SB8200. I had similar issues with my network speeds. I have had to reboot the modem daily. I replaced it with a Netgear CM1100 on Friday and so far the gigabit performance is solid.
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10-15-2020
09:25 AM
Hello, I am moving to a new home in a new subdivision and I want to find out if gigabit plan is available, but the address is not recognized in xfinity website. How do I find out if the new address has gigabit & the best deals available? Thanks.
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07-27-2020
04:32 PM
1 Kudo
@ComcastChe : The problem returned the next day and I have to do the restart daily.
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04-26-2020
04:23 PM
Have you run a wi-fi speedtest with your smartpone? I have read adding access points and extenders will further degrade the coverage.
You may want to try a mesh router (Orbi, Eero).
I used to have a lot of wi-fi issues when I had dual band router, even with a 5GHz card in my laptop. I got extenders and it did not help. I got an Orbi system and great signals & speeds all through the home. There are some issues now due to everyone in the neighborhood using up the available bandwidth. I have to restart the modem everyday but will get better when the quarantine ends.
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04-26-2020
01:18 PM
It could be anything including your device. How new/old if your machine? Yes. 5GHz adapter will help https://speedtest.xfinity.com/devicespeeds
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04-24-2020
01:05 PM
April 24th update.
Tech showed up promptly at 10 am. He maintained social distance and asked what issue I was having. I explained my having to restart the modem daily.
Tech mentioned that this is a bandwidth issue with everyone being online at the same time. He said that Comcast designs the network nodes and infrastructure for 50% average utilization and now it is more than 90% putting a strain on the bandwidth. He said that there were several techs working in our neighborhood checking the cables because of complaints. He cautioned me NOT to restart the modem during the latter part of the day since the modem may not be able to connect back. He checked everything outside and did not find an issue. The signal strength, quality, channel powers were all within bounds. He said that Comcast in investigating adding some more nodes in the area to reduce the number of homes using a single node.
I guess I will have to wait for Michigan to fully open up and all of us to start going back to work before this problem stops. Until then, I'm going to do a restart early in the morning and hope for the best! I will keep updating my daily findings.
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04-22-2020
12:14 PM
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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04-22-2020
11:38 AM
Update:
Hello @ComcastChe @EG : After several hours of steady internet speeds, the problem returned with the same error (going to 01/01/1970). This morning I reset the SB8200 and so far so good. I am awaiting the deep dive results from @ComcastChe
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04-21-2020
11:28 AM
Today, I'm seeing a lot of T6 issues related to hannel 37. @EG had mentioned somewhere that this "Other" channel is related to Gigabit speed tier. I am not on that plan. So far today, the speed has been stable. I have also been going back to check any recent software updates/upgrades. Recently, Malwarebytes did a big update and I wondered if that was conflicting with the modem/router firewalls and also possibly Norton Security. It also added a Malwarebytes ad blocker for the chrome browser. I have disabled Malwarebytes for now. Let me see if things stablize.
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04-21-2020
10:00 AM
Upstream
Upstream Bonded Channels
Channel
Channel ID
Lock Status
US Channel Type
Frequency
Width
Power
1
5
Locked
SC-QAM Upstream
39800000 Hz
1600000 Hz
41.0 dBmV
2
4
Locked
SC-QAM Upstream
16600000 Hz
6400000 Hz
42.0 dBmV
3
3
Locked
SC-QAM Upstream
23000000 Hz
6400000 Hz
42.0 dBmV
4
2
Locked
SC-QAM Upstream
29400000 Hz
6400000 Hz
41.0 dBmV
5
1
Locked
SC-QAM Upstream
35800000 Hz
6400000 Hz
41.0 dBmV
Current System Time: Tue Apr 21 08:58:00 2020
... View more
04-21-2020
09:59 AM
Directly connected to modem. Here are the power and SNR
Downstream Bonded Channels
Channel ID
Lock Status
Modulation
Frequency
Power
SNR/MER
Corrected
Uncorrectables
9
Locked
QAM256
531000000 Hz
7.0 dBmV
41.0 dB
235
94
2
Locked
QAM256
489000000 Hz
6.9 dBmV
41.1 dB
220
71
3
Locked
QAM256
495000000 Hz
6.9 dBmV
41.1 dB
189
68
4
Locked
QAM256
501000000 Hz
7.6 dBmV
41.3 dB
207
66
5
Locked
QAM256
507000000 Hz
7.4 dBmV
41.2 dB
246
56
6
Locked
QAM256
513000000 Hz
7.5 dBmV
41.1 dB
259
96
7
Locked
QAM256
519000000 Hz
7.6 dBmV
41.0 dB
311
96
8
Locked
QAM256
525000000 Hz
7.1 dBmV
40.9 dB
269
73
10
Locked
QAM256
537000000 Hz
6.3 dBmV
40.7 dB
242
76
11
Locked
QAM256
543000000 Hz
7.2 dBmV
40.7 dB
201
51
12
Locked
QAM256
549000000 Hz
7.1 dBmV
41.0 dB
167
85
13
Locked
QAM256
555000000 Hz
7.1 dBmV
41.0 dB
181
51
14
Locked
QAM256
561000000 Hz
7.5 dBmV
40.9 dB
161
56
15
Locked
QAM256
567000000 Hz
7.5 dBmV
40.9 dB
152
63
16
Locked
QAM256
573000000 Hz
7.5 dBmV
40.9 dB
232
221
17
Locked
QAM256
579000000 Hz
7.9 dBmV
38.8 dB
166
77
18
Locked
QAM256
585000000 Hz
8.2 dBmV
41.0 dB
183
56
19
Locked
QAM256
591000000 Hz
8.1 dBmV
40.8 dB
186
56
20
Locked
QAM256
597000000 Hz
7.7 dBmV
40.7 dB
205
48
21
Locked
QAM256
603000000 Hz
8.0 dBmV
40.8 dB
163
52
22
Locked
QAM256
609000000 Hz
7.9 dBmV
40.7 dB
207
46
23
Locked
QAM256
615000000 Hz
8.1 dBmV
39.4 dB
142
51
24
Locked
QAM256
621000000 Hz
8.6 dBmV
40.8 dB
158
29
25
Locked
QAM256
627000000 Hz
8.5 dBmV
40.8 dB
154
19
26
Locked
QAM256
633000000 Hz
8.7 dBmV
40.7 dB
146
33
27
Locked
QAM256
639000000 Hz
8.8 dBmV
40.9 dB
165
34
28
Locked
QAM256
645000000 Hz
9.2 dBmV
41.1 dB
167
28
29
Locked
QAM256
651000000 Hz
9.1 dBmV
40.9 dB
142
55
30
Locked
QAM256
657000000 Hz
9.4 dBmV
41.0 dB
154
57
31
Locked
QAM256
663000000 Hz
9.4 dBmV
41.0 dB
184
44
33
Locked
QAM256
669000000 Hz
9.4 dBmV
41.1 dB
151
61
37
Locked
Other
690000000 Hz
9.3 dBmV
39.2 dB
214138946
45
... View more
04-21-2020
09:13 AM
Communicating with ComcastChe.
Any idea why my modem would have a 1970 time stamp? Seems like a lot of folks with intermittent connection issues have the same T3 error with 01/01/1970 timestamp.
... View more
04-20-2020
12:06 PM
It is a LAN via ethernet. It is connected to the back of a Netgear Orbi router.
Channel ID
Lock Status
Modulation
Frequency
Power
SNR/MER
Corrected
Uncorrectables
9
Locked
QAM256
531000000 Hz
4.8 dBmV
40.6 dB
0
0
2
Locked
QAM256
489000000 Hz
5.2 dBmV
40.8 dB
0
0
3
Locked
QAM256
495000000 Hz
5.4 dBmV
41.0 dB
0
0
4
Locked
QAM256
501000000 Hz
6.1 dBmV
41.1 dB
0
0
5
Locked
QAM256
507000000 Hz
5.8 dBmV
41.2 dB
0
0
6
Locked
QAM256
513000000 Hz
6.0 dBmV
41.1 dB
0
0
7
Locked
QAM256
519000000 Hz
5.9 dBmV
41.0 dB
0
0
8
Locked
QAM256
525000000 Hz
5.2 dBmV
40.9 dB
0
0
10
Locked
QAM256
537000000 Hz
3.9 dBmV
40.4 dB
0
0
11
Locked
QAM256
543000000 Hz
5.2 dBmV
40.9 dB
0
0
12
Locked
QAM256
549000000 Hz
5.6 dBmV
40.6 dB
0
0
13
Locked
QAM256
555000000 Hz
5.6 dBmV
40.8 dB
0
0
14
Locked
QAM256
561000000 Hz
5.8 dBmV
40.9 dB
0
0
15
Locked
QAM256
567000000 Hz
6.3 dBmV
41.0 dB
0
0
16
Locked
QAM256
573000000 Hz
6.7 dBmV
41.1 dB
0
0
17
Locked
QAM256
579000000 Hz
6.8 dBmV
41.2 dB
0
0
18
Locked
QAM256
585000000 Hz
6.1 dBmV
40.8 dB
0
0
19
Locked
QAM256
591000000 Hz
5.9 dBmV
40.7 dB
0
0
20
Locked
QAM256
597000000 Hz
5.9 dBmV
40.7 dB
0
0
21
Locked
QAM256
603000000 Hz
6.2 dBmV
40.6 dB
0
0
22
Locked
QAM256
609000000 Hz
6.1 dBmV
40.7 dB
0
0
23
Locked
QAM256
615000000 Hz
6.4 dBmV
40.6 dB
0
0
24
Locked
QAM256
621000000 Hz
7.0 dBmV
40.8 dB
0
0
25
Locked
QAM256
627000000 Hz
6.9 dBmV
40.8 dB
0
0
26
Locked
QAM256
633000000 Hz
7.1 dBmV
40.8 dB
0
0
27
Locked
QAM256
639000000 Hz
7.1 dBmV
40.9 dB
0
0
28
Locked
QAM256
645000000 Hz
7.6 dBmV
41.1 dB
0
0
29
Locked
QAM256
651000000 Hz
7.5 dBmV
41.0 dB
0
0
30
Locked
QAM256
657000000 Hz
7.8 dBmV
41.1 dB
0
0
31
Locked
QAM256
663000000 Hz
7.8 dBmV
41.1 dB
0
0
33
Locked
QAM256
669000000 Hz
7.8 dBmV
41.1 dB
0
0
37
Locked
Other
690000000 Hz
7.3 dBmV
39.2 dB
26523347
0
Upstream Bonded Channels
Channel
Channel ID
Lock Status
US Channel Type
Frequency
Width
Power
1
5
Locked
SC-QAM Upstream
39800000 Hz
1600000 Hz
42.0 dBmV
2
4
Locked
SC-QAM Upstream
16600000 Hz
6400000 Hz
43.0 dBmV
3
3
Locked
SC-QAM Upstream
23000000 Hz
6400000 Hz
42.0 dBmV
4
2
Locked
SC-QAM Upstream
29400000 Hz
6400000 Hz
42.0 dBmV
5
1
Locked
SC-QAM Upstream
35800000 Hz
6400000 Hz
42.0 dBmV
Current System Time: Mon Apr 20 11:02:26 2020
... View more
04-15-2020
09:16 PM
I am in the 600MBps band and used to clock around 700Mbps at all times. Once the recent work from home in MI started, the speed slows down to 6Mbps or even slower. I have to restart the modem to get back to decent speed. I have to do this multiple times a day. Noting much has changed in terms of modem/router, #connected devices. Same number of devices as during the weekend when we all connect our laptops & phones.
Why is this happening & what is the remedy?
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10-05-2019
08:49 AM
Never got the email. Read about it on local MLive news. Checked speed and it is 604Mbps (LAN) and 540 MBps (wifi)
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10-05-2019
08:46 AM
What is your cable modem and router?
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