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Tuesday, July 8th, 2025 3:19 PM

Sporadic Packet Loss Still Happening

Hi there,

Been recently getting some random bouts of packet loss and seeing my speed  go down as low as 40% of plan speed (should be 1.3 gigs down, 45 megs up). There was recently an episode where this lasted for about 5 hours until I did a power cycle on the router, I have an X8 router via comcast. They recently put a filter on the tap and that seemed to do the trick but this problem keeps creeping back in. Figured I'd cross my t's and dot my i's and ask and see if anything looked out of the ordinary with the router power/signal stuff.

Downstream
Channel Bonding Value
Channel ID
20
1
2
2
4
5
6
7
8
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
193
Lock Status
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Frequency
525 MHz
405 MHz
411 MHz
417 MHz
423 MHz
429 MHz
435 MHz
441 MHz
447 MHz
453 MHz
722000000
SNR
45.2 dB
44.2 dB
44.4 dB
44.6 dB
44.6 dB
44.7 dB
44.8 dB
44.8 dB
44.9 dB
44.7 dB
45.4 dB
Power Level
8.0 dBmV
6.1 dBmV
6.6 dBmV
6.6 dBmV
6.8 dBmV
6.8 dBmV
7.0 dBmV
7.0 dBmV
7.4 dBmV
7.1 dBmV
9.9 dBmV
Modulation
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
OFDM
*Channel ID 20 is the Primary channel
Upstream
Channel Bonding Value
Channel ID
1
2
3
4
5
Lock Status
Locked
Locked
Locked
Locked
Locked
Frequency
35 MHz
29 MHz
22 MHz
16 MHz
40 MHz
Symbol Rate
5120
5120
5120
5120
2560
Power Level
35.5 dBmV
36.3 dBmV
36.0 dBmV
35.3 dBmV
36.3 dBmV
Modulation
QAM
QAM
QAM
QAM
QAM
Channel Type
ATDMA
ATDMA
ATDMA
ATDMA
ATDMA
The packet loss is sporadic for the most part but really seems like there's some noise interference for a 20-30 minute bit and it's mostly felt on the upload side of things, here's a screenshot example from pingplotter
Any insight would be greatly appreciated!
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