Regular Visitor
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3 Messages
T3 timeouts and connection drops
Upstream Bonding Channel Value @EG
Channel ID | 3 | 4 | 2 | 1 |
Frequency | 23700000 Hz | 17300000 Hz | 30100000 Hz | 36500000 Hz |
Ranging Service ID | 13491 | 13491 | 13491 | 13491 |
Symbol Rate | 5.120 Msym/sec | 5.120 Msym/sec | 5.120 Msym/sec | 5.120 Msym/sec |
Power Level | 44 dBmV | 44 dBmV | 45 dBmV | 45 dBmV |
Upstream Modulation | [2] QPSK [1] 32QAM [3] 64QAM | [2] QPSK [1] 32QAM [3] 64QAM | [2] QPSK [1] 32QAM [3] 64QAM | [2] QPSK [1] 32QAM [3] 64QAM |
Ranging Status | Success | Success | Success | Success |
kswizzlez
Regular Visitor
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3 Messages
5 years ago
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kswizzlez
Regular Visitor
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3 Messages
5 years ago
I am at my wits end. After some storms in my 22206 area code I have had unstable internet for 10 days. The Comcast outage map shows outages all over my area and nothing has helped me regain stability. Modem is sb6181 and at this point The outages are greatly affecting my work from home and might need to switch ISPs. I have tried connection without router as well with same unstable connection.
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EG
Expert
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111.6K Messages
5 years ago
The downstream power is on the weak side and the SNR is way too low / out of spec. That can cause random disconnects, spontaneous re-booting of the modem, speed, packet loss, latency problems, and the un-bonding of channels.
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.
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