Hi all,
My download connection is fine, but I'm getting unstable and slow upload (which I see as bursts of dropped frames during streaming to Twitch), which seem to get worse the more I upload.
Some details:
- Hub3, M250, broadband only.
- On-Hub3 network diagnostics tool gets to about 22% and then abruptly logs me out.
- As with this previous issue I'm receiving 'Looks like there are issues in your postcode affecting your services. There’s a broadband issue in your area and our technicians are on the case to fix things. Check back here at any time for updates.' every time I check the postcode status tool, but, despite me checking back repeatedly for one or two months, there has never been any sign of updates.
- Router status log shows cycles of 'Unicast Maintenance Ranging attempted - No response', 'No Ranging Response received - T3 time-out', and 'Ranging Request Retries exhausted' happening around the time I last tried streaming.
- Speedtests show mixed results; sometimes I get the whole 200-250 down/20ish up I'd expect, and sometimes the upstream hits around 5 and then struggles immensely.
- Happens with wifi enabled and disabled; I'm using a USB to cat5 to hub3.
- Started a few months into moving in and roughly coincided with upgrading my machine to macOS Ventura. If it wasn't for the speedtests and Virgin claiming there are postcode issues I'd have presumed an issue at my end.
- When I first moved in, the box into which the hub cable connects (whose name eludes me!) had been painted over by the previous occupant, and I had to clean the paint out of the coax connector before connecting the hub. As it seemed to work, I presumed there was no issue.
- I don't know DOCSIS, so I'll replicate the bits of my Hub3 status page that look vaguely relevant in the hope that they're useful (had to strip table formatting to get the message to post):
Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 338750000 12.1 38 256 qam 26
2 202750000 12.5 40 256 qam 9
3 210750000 12.1 40 256 qam 10
4 218750000 12.1 40 256 qam 11
5 226750000 12.4 40 256 qam 12
6 234750000 12.1 40 256 qam 13
7 242750000 11.5 40 256 qam 14
8 250750000 11 40 256 qam 15
9 258750000 10.6 40 256 qam 16
10 266750000 10 38 256 qam 17
11 274750000 9 40 256 qam 18
12 282750000 10 38 256 qam 19
13 290750000 11.1 40 256 qam 20
14 298750000 11.9 38 256 qam 21
15 306750000 12.1 40 256 qam 22
16 314750000 12.1 40 256 qam 23
17 322750000 12.1 40 256 qam 24
18 330750000 11.9 40 256 qam 25
19 346750000 12.6 40 256 qam 27
20 354750000 12.8 40 256 qam 28
21 362750000 12.5 40 256 qam 29
22 370750000 12 40 256 qam 30
23 378750000 12.1 40 256 qam 31
24 386750000 12 40 256 qam 32
Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 Locked 38.9 518 0
2 Locked 40.3 151 0
3 Locked 40.3 157 0
4 Locked 40.3 164 0
5 Locked 40.3 159 0
6 Locked 40.3 187 0
7 Locked 40.3 314 0
8 Locked 40.3 486 0
9 Locked 40.9 594 0
10 Locked 38.9 851 0
11 Locked 40.3 1424 0
12 Locked 38.6 719 0
13 Locked 40.3 394 0
14 Locked 38.9 309 0
15 Locked 40.3 255 0
16 Locked 40.3 475 0
17 Locked 40.9 298 0
18 Locked 40.3 291 0
19 Locked 40.3 555 0
20 Locked 40.3 148 0
21 Locked 40.3 148 0
22 Locked 40.3 154 0
23 Locked 40.3 151 0
24 Locked 40.3 193 0
Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 23600000 37.8 5120 64 qam 11
2 43100243 38 5120 64 qam 6
3 36600136 38 5120 64 qam 7
4 30100332 38 5120 64 qam 8
5 49600104 38.5 5120 64 qam 5
Upstream bonded channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 ATDMA 0 0 15339 0
2 ATDMA 0 0 2 0
3 ATDMA 0 0 2124 0
4 ATDMA 0 0 14067 0
5 ATDMA 0 0 3 0
General Configuration
Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
cmreg-vmdg505-bbt060-b.cm
Primary Downstream Service Flow
SFID 53008
Max Traffic Rate 287500061
Max Traffic Burst 42600
Min Traffic Rate 0
Primary Upstream Service Flow
SFID 53007
Max Traffic Rate 27500061
Max Traffic Burst 42600
Min Traffic Rate 0
Max Concatenated Burst 42600
Scheduling Type BestEffort