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Surboard SB6141 constant reboots and erratic speeds

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I'm wondering if anybody can give me some insight on what might be wrong with my network connections. I have a new SB6141 modem. Eversince I started using my modem my speeds have become very erratic and after long streaming sessions or during large downloads that take up a lot of bandwidth the modem will reboot itself. This seldomly happened with my old modem which is why I purchased this new one, because I thought the old one was dying. Now I'm wondering if it's just some coax cables that have gone bad. Here is my modem log notes:

 

Downstream     Bonding Channel Value
Channel ID     3      4      5      6      8      9      10      12
Frequency     663000000 Hz     669000000 Hz     675000000 Hz     681000000 Hz     693000000 Hz     699000000 Hz     705000000 Hz     717000000 Hz
Signal to Noise Ratio     38 dB     38 dB     38 dB     38 dB     39 dB     38 dB     38 dB     38 dB
Downstream Modulation     QAM256     QAM256     QAM256     QAM256     QAM256     QAM256     QAM256     QAM256
Power Level
The Downstream Power Level reading is a snapshot taken at the time this page was requested. Please Reload/Refresh this Page for a new reading
    4 dBmV      4 dBmV      5 dBmV      5 dBmV      5 dBmV      5 dBmV      4 dBmV      3 dBmV  

Upstream     Bonding Channel Value
Channel ID     11
Frequency     22600000 Hz
Ranging Service ID     9938
Symbol Rate     5.120 Msym/sec
Power Level     45 dBmV
Upstream Modulation     [3] QPSK
[3] 64QAM
 
Ranging Status     Success

Signal Stats (Codewords)     Bonding Channel Value
Channel ID     3      4      5      6      8      9      10      12
Total Unerrored Codewords     498681708     497909159     497918395     497926509     497903267     497904373     497904489     497902729
Total Correctable Codewords     116     104     184     114     149     200     135     164
Total Uncorrectable Codewords     1463     2347     1670     2255     1658     1487     2433     2354



Jun 16 2014 12:42:09     3-Critical     R02.0     No Ranging Response received - T3 time-out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:42:08     5-Warning     Z00.0     MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:15     6-Notice     N/A     Cable Modem Reboot due to T4 timeout ;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:41:23     3-Critical     R04.0     Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:22:58     3-Critical     R02.0     No Ranging Response received - T3 time-out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:22:57     5-Warning     Z00.0     MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:22     3-Critical     R02.0     No Ranging Response received - T3 time-out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:15     6-Notice     N/A     Cable Modem Reboot due to T4 timeout ;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:22:07     3-Critical     R04.0     Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:20:07     3-Critical     R06.0     Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:20:07     3-Critical     R03.0     Ranging Request Retries exhausted;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:20:06     3-Critical     R02.0     No Ranging Response received - T3 time-out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:17:42     5-Warning     Z00.0     MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:21     3-Critical     R02.0     No Ranging Response received - T3 time-out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:15     6-Notice     N/A     Cable Modem Reboot due to T4 timeout ;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 12:16:51     3-Critical     R04.0     Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 11:45:11     3-Critical     R02.0     No Ranging Response received - T3 time-out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jun 16 2014 11:41:45     5-Warning     Z00.0     MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:21     3-Critical     R02.0     No Ranging Response received - T3 time-out;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:01:5c:63:38:6a;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:15     6-Notice     N/A     Cable Modem Reboot due to power reset ;CM-MAC=cc:65:ad:d3:46:3c;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.0;

 

I'm noticing that I'm getting a lot of T3 and T4 timeouts. I have no splitters on my network. My modem connects to to the coax right out of the wall. I have a new coax arriving tomorrow that I will test with that one. Does anybody have any extra insight with this issue?


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