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johnxrobertson
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Connection Frequently Disconnects

Hi, I am using the SH3 in modem mode and our three laptops are all connected by cable.

For the past few weeks we have had disconnects several times a day which usually last a few minutes. I have tried resetting the SH and checked the connectors and cabling. The VM test tells me all is fine and status shows there are no known issues in my area.

Any advice or guidance would be greatly appreciated.

John

Status:

Item Status Comments
Acquired Downstream Channel (Hz)
483000000
Locked
Ranged Upstream Channel (Hz)
53700000
Locked
Provisioning State
Online

Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 483000000 5.5 38 256 qam 32
2 203000000 3 36 256 qam 9
3 211000000 3 36 256 qam 10
4 219000000 3 36 256 qam 11
5 227000000 2.9 36 256 qam 12
6 235000000 2.9 36 256 qam 13
7 243000000 2.7 36 256 qam 14
8 251000000 3.2 36 256 qam 15
9 259000000 3.5 37 256 qam 16
10 267000000 4 37 256 qam 17
11 275000000 4 37 256 qam 18
12 283000000 4.1 37 256 qam 19
13 291000000 4.3 37 256 qam 20
14 299000000 4.5 37 256 qam 21
15 307000000 4.6 37 256 qam 22
16 315000000 4.8 37 256 qam 23
17 323000000 4.9 37 256 qam 24
18 427000000 5 38 256 qam 25
19 435000000 5 38 256 qam 26
20 443000000 5.1 38 256 qam 27
21 451000000 5.3 38 256 qam 28
22 459000000 5.3 38 256 qam 29
23 467000000 5.4 38 256 qam 30
24 475000000 5.5 38 256 qam 31


Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 Locked 40.9 1778741 188384
2 Locked 39.8 3262313 4540500
3 Locked 38.9 3297055 4245741
4 Locked 40.3 3324451 3904370
5 Locked 38.9 3357726 3686951
6 Locked 38.9 3393738 3412078
7 Locked 38.9 3425104 3147158
8 Locked 38.9 3440492 2915135
9 Locked 40.3 3441840 2652328
10 Locked 40.3 3443684 2470840
11 Locked 40.3 3428053 2295145
12 Locked 40.3 3380081 2079625
13 Locked 40.3 3364322 1954363
14 Locked 38.9 3350898 1844300
15 Locked 40.3 3293721 1649577
16 Locked 40.3 3258999 1529451
17 Locked 40.3 3227085 1434836
18 Locked 40.3 2201581 303479
19 Locked 40.3 2103215 279970
20 Locked 40.3 2032998 260436
21 Locked 40.9 1973603 246768
22 Locked 40.3 1897383 224132
23 Locked 40.3 1836663 209398
24 Locked 40.3 1816943 196628

Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 53700000 3.846 5120 16 qam 8
2 39399561 3.896 5120 16 qam 10
3 46200000 3.821 5120 16 qam 9
4 60300000 3.975 5120 32 qam 7


Upstream bonded channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 ATDMA 0 0 0 0
2 ATDMA 0 0 0 0
3 ATDMA 0 0 0 0
4 ATDMA 0 0 0 0

General Configuration
Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
Vcb573b2ee9a9587e.cm


Primary Downstream Service Flow
SFID 7784
Max Traffic Rate 575000000
Max Traffic Burst 42600
Min Traffic Rate 0


Primary Upstream Service Flow
SFID 7783
Max Traffic Rate 38520000
Max Traffic Burst 42600
Min Traffic Rate 0
Max Concatenated Burst 16320
Scheduling Type BestEffort

Network Log
Time Priority Description
18/05/2020 12:43:16 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:43:14 Warning! Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:42:51 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:42:45 Warning! Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:41:46 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:41:46 Error Service Delete Response rejected - Invalid Transaction;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:41:45 Warning! Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:31:54 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:31:53 Warning! Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:30:55 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:30:54 Warning! Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:30:54 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:30:52 Warning! Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:29:26 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:29:25 Warning! Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:29:7 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:29:6 Warning! Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:29:4 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:29:4 Warning! Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
18/05/2020 12:28:48 Warning! RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

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jbrennand
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Helpful Answer

Re: Connection Frequently Disconnects

What Router are you using on the Hub?

There are a lot of RS errors that might be "historical" so to reset them to 0 and see if they reoccur do a pinhole reset on the Hub.

Note that a pinhole reset on a Hub3 can be a bit problematic - so do it EXACTLY this way (not as the VM website says!).

Firstly, make sure the Hub's sticker/card with the two passwords on it is still there and legible or you will be stuffed ! If its not – DON’T DO IT !

With the Hub "on" disconnect any ethernet connections and push in the “reset pin” with the end of a paperclip/thin nail or similar (bigger items like ball point pen ends may not press it in far enough) until you feel it at the “stop point” and hold it there firmly for a "timed" minimum of 60 seconds do NOT restart the Hub after that. Leave it 5' or so to stabilise and then your passwords/passphrase for both the Hub settings and the Wifi networks will revert to the two printed on the Hub sticker on its base/side/card. Make sure you use the wifi one for devices connecting to the wifi and the settings one to access the Hub.

--------------------
John
--------------------

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.
johnxrobertson
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Re: Connection Frequently Disconnects

Thanks John. I will try this now and see if it helps.

 

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johnxrobertson
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Re: Connection Frequently Disconnects

Just checking in to say I have had no more issues since trying this process. 

Thanks for your help.

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