I was told by phone support several months ago that I had power issues with my modem. There are currently no power issues and everything is in line with the power levels. I've had tech support out to my house several times and had no luck fixing anything (same with phone support). I upgraded my speeds at the suggestion of phone support. I grew tired of hearing them blame my equipment for the errors so I upgraded all my equipment. I have a an SB6120 running Firmware Build Time: Mar 12 2013 17:48:19 and a Linksys E3000 running Firmware Version DD-WRT v24-sp2 (04/09/11) big - build 16758M NEWD-2 K2.6 Eko
I had the last technician replace the cable run to the street so that my wiring can't be blamed for the problems. It's cool if the error is on my side, I don't really care, I just want my internet to work without issue.
Here are the errors from the modem log (I removed the MAC address):
Time Priority Code Message
Jun 11 2014 13:40:22 3-Critical R02.0 No Ranging Response received - T3 time-out;CM-
Jun 11 2014 13:18:03 3-Critical T05.0 SYNC Timing Synchronization failure - Loss of Sync;
Jun 11 2014 13:17:10 3-Critical R02.0 No Ranging Response received - T3 time-out;
Jun 11 2014 13:17:03 3-Critical T05.0 SYNC Timing Synchronization failure - Loss of Sync;
Jun 11 2014 13:15:12 3-Critical R02.0 No Ranging Response received - T3 time-out;
Jun 11 2014 11:25:47 3-Critical R06.0 Unicast Maintenance Ranging attempted - No response - Retries exhausted;
Jun 11 2014 11:25:47 3-Critical R03.0 Ranging Request Retries exhausted;
Jun 11 2014 11:25:17 3-Critical R02.0 No Ranging Response received - T3 time-out;
Jun 11 2014 02:29:08 6-Notice I401.0 TLV-11 - unrecognized OID;
Jun 11 2014 02:29:08 5-Warning Z00.0 MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;
Jan 01 1970 00:00:27 3-Critical R02.0 No Ranging Response received - T3 time-out;
Jan 01 1970 00:00:13 6-Notice N/A Cable Modem Reboot due to T4 timeout ;
Jun 11 2014 02:28:16 3-Critical R06.0 Unicast Maintenance Ranging attempted - No response - Retries exhausted;
Jun 11 2014 02:28:16 3-Critical R03.0 Ranging Request Retries exhausted;
Jun 11 2014 02:28:15 3-Critical R02.0 No Ranging Response received - T3 time-out;
Jun 11 2014 02:28:10 3-Critical R06.0 Unicast Maintenance Ranging attempted - No response - Retries exhausted;
Jun 11 2014 02:28:10 3-Critical R03.0 Ranging Request Retries exhausted;
Jun 11 2014 02:28:10 3-Critical R06.0 Unicast Maintenance Ranging attempted - No response - Retries exhausted;
Jun 11 2014 02:28:10 3-Critical R03.0 Ranging Request Retries exhausted;
Jun 11 2014 02:28:09 3-Critical R02.0 No Ranging Response received - T3 time-out;