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These were levels when the connection is absolutely fine, but I trust you guys there is an issue. Can you tell me which figures are out of spec. I could only see that the downstream snr was slightly low.
Here are the signal ranges;
|Downstream Power Level|
|Gateways and EMTAs||-7dBmV||+7dBmV|
|Downstream Signal to Noise Ratio||35dB||-|
|Upstream Power Level||+35dBmV||+50dBmV|
I already posted a link to the troubleshooting guide pal.............
OP. Your signal stats are borked !!
That can cause random disconnects, spontaneous re-booting of the modem, and speed and latency problems.
In a self troubleshooting effort to try to obtain better connectivity / more wiggle room, check to see if there are there any excess/unneeded coax cable splitters in the line leading to the modem that can be eliminated/re-configured. Any splitters that remain should be high quality and cable rated for 5-1002 MHz, bi-directional, and no gold colored garbage types like GE, RadioShack, RCA, Philips, Leviton, Magnavox, and Rocketfish from big box stores like Home Depot, Lowes, Target, Wal-Mart etc. Splitters should be swapped with known to be good / new ones to test
If there aren't any unneeded splitters that can be eliminated and if your coax wiring setup can't be reconfigured so that there is a single two way splitter connected directly off of the drop from the street/pole with one port feeding the modem and the other port feeding the rest of the house/equipment with additional splits as needed, and you've checked all the wiring and fittings for integrity and tightness and refresh them by taking them apart then check for and clean off any corrosion / oxidation on the center wire and put them back together again, then perhaps it's best to book a tech visit to investigate and correct.
Your downstream levels are poor and your upstream levels are considerably outside of specifications. Typically this is caused by bad or substandard wiring/connectors/splitters, but it could be a variety of other issues including bad equipment or an issue on Comcast's end.
See the troubleshooting guide. Also, has your modem reached End of Life Status? Check: http://mydeviceinfo.xfinity.com If you want to schedule a tech visit, let us know and we'll ask an employee to help.
Downstream Bonding Channel Value Channel ID 1 2 3 4 Frequency 483000000 Hz 489000000 Hz 495000000 Hz 507000000 Hz Signal to Noise Ratio 34 dB 34 dB 34 dB 35 dB Downstream Modulation QAM256 QAM256 QAM256 QAM256 Power Level -7 dBmV -7 dBmV -7 dBmV -7 dBmV Upstream Bonding Channel Value Channel ID 3 Frequency 23000000 Hz Ranging Service ID 7904 Symbol Rate 5.120 Msym/sec Power Level 54 dBmV Upstream Modulation  QPSK  64QAM Ranging Status Success
The SnR seems slightly low (linked page says 35dB min).
I'm currently getting 0% packet loss, 88 Mbps down and 12.14 Mbps up. (all good).
I have extremely poor download speeds (0.7 mbps) and heavy packet loss today.
Computing statistics for 250 seconds... Source to Here This Node/Link Hop RTT Lost/Sent = Pct Lost/Sent = Pct Address 0 me.home.io [192.168.1.2] 0/ 100 = 0% | 1 0ms 0/ 100 = 0% 0/ 100 = 0% DD-WRT [192.168.1.1] 2/ 100 = 2% | 2 31ms 9/ 100 = 9% 7/ 100 = 7% 96.x.x.x 0/ 100 = 0% | 3 33ms 11/ 100 = 11% 9/ 100 = 9% 96.x.x.x 0/ 100 = 0% | 4 22ms 11/ 100 = 11% 9/ 100 = 9% x.ibone.comcast.net [96.x.x.x] 0/ 100 = 0% | 5 27ms 2/ 100 = 2% 0/ 100 = 0% x.ibone.comcast.net [68.x.x.x] 4/ 100 = 4% | 6 23ms 11/ 100 = 11% 5/ 100 = 5% x.ibone.comcast.net [68.x.x.x] 0/ 100 = 0% | 7 36ms 6/ 100 = 6% 0/ 100 = 0% x.ibone.comcast.net [23.x.x.x] 5/ 100 = 5% | 8 47ms 14/ 100 = 14% 3/ 100 = 3% 108.x.x.x 0/ 100 = 0% | 9 --- 100/ 100 =100% 89/ 100 = 89% 209.x.x.x 0/ 100 = 0% | 10 48ms 11/ 100 = 11% 0/ 100 = 0% google-public-dns-a.google.com [188.8.131.52] Trace complete.
Please can you check for issues in my area?