Our internet services have done very well since moving in though there have been some issues for certain digital cable channels from the beginning. I don't remember the exact issue but multiple channels would lose signal and it had something to do with one frequency band. Multiple techs came out and though the problem has NEVER went away the channels were available with minimal drop outs. Now the digital cable and internet both are having dropouts. I have been running PingPlotter for the last couple days and it seems that this is happening mostly in the afternoon and evening hours.
Signals in the modem are good as far as I can tell but I am trying to see if there is a signal change when an event happens. But catching it is a pain and even though it's only a few seconds at a time it is really frustrating for VPN and Gaming.
I thoroughly despise phone support as they all treat you as a no name person who doesn't know how to turn the computer on and make it work let alone configure a network so this is my first and only stop. If a call needs to be made for more to be dealt with my wife will have to do that.
RF Parameters
Downstream
Interface Name Freq Power SNR Modulation
Downstream 1 843.000 MHz 1.90 dBmV 38.20 dB QAM256
Downstream 2 837.000 MHz 2.10 dBmV 38.60 dB QAM256
Downstream 3 849.000 MHz 2.00 dBmV 38.10 dB QAM256
Downstream 4 855.000 MHz 2.10 dBmV 38.20 dB QAM256
Downstream 5 861.000 MHz 2.40 dBmV 38.30 dB QAM256
Downstream 6 867.000 MHz 2.50 dBmV 38.20 dB QAM256
Downstream 7 873.000 MHz 2.30 dBmV 38.20 dB QAM256
Downstream 8 879.000 MHz 2.40 dBmV 37.80 dB QAM256
Upstream
Interface Name Frequency Power Channel type Symbol Rate Modulation
Upstream 1 35.10 MHz 40.00 dBmV TDMA and ATDMA 2560 kSym/s QAM16
Upstream 2 --- --- --- --- ---
Upstream 3 --- --- --- --- ---
Upstream 4 --- --- --- --- ---
I was using a Motorolla Sufboard 5101U but when the problem began I switched to a newer Docsis3.0 Modem I had as to make sure the problem was not related to the older modem.
The problem is still occurring and when it does generally the digital cable goes out at the same time. I was initially just having periods where I would notice an increase in lag and ping while playing World of Warcraft but things have steadily gotten worse.
You can see the dropouts from a 24hour period in ping plotter here http://files.ventshop.net/Graphics/stuff/pingtogoogle.png
As you can see my router stay up and a separate ping to the modem shows it is functional as well but anything beyond that is dropped. I ran a ping -t to the modem to verify that it was not a part of the problem.
Below is the data I collected form the logs.
Date Time Event ID Event Level Description
02/14/2013 15:24 82000500 3 Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:1d:cd:de:xx:xx;CMTS-MAC=68:ef:bd:f0:8c:63;CM-
02/14/2013 15:02 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/14/2013 15:02 2417164289 6 TFTP download init
02/14/2013 15:02 2417164290 6 TFTP download complete
02/14/2013 15:02 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/14/2013 15:02 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/14/2013 15:01 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
Date Time Event ID Event Level Description
02/14/2013 12:11 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/14/2013 12:11 2417164289 6 TFTP download init
02/14/2013 12:11 2417164290 6 TFTP download complete
02/14/2013 12:11 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/14/2013 12:11 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/14/2013 12:11 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/14/2013 12:11 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/14/2013 11:51 82000500 3 Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-
02/14/2013 10:51 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/14/2013 10:51 2417164289 6 TFTP download init
02/14/2013 10:51 2417164290 6 TFTP download complete
02/14/2013 10:51 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/14/2013 10:51 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/14/2013 10:51 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/14/2013 10:50 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/14/2013 05:09 68010300 4 DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3
Date Time Event ID Event Level Description
02/13/2013 17:11 84000100 3 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c
02/13/2013 17:10 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 17:10 84000100 3 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c
02/13/2013 17:10 82000500 3 Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-
02/13/2013 17:09 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 17:09 2417164289 6 TFTP download init
02/13/2013 17:09 2417164290 6 TFTP download complete
02/13/2013 17:09 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/13/2013 17:09 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/13/2013 17:08 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/13/2013 17:08 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 17:07 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 17:07 2417164289 6 TFTP download init
02/13/2013 17:07 2417164290 6 TFTP download complete
02/13/2013 17:07 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/13/2013 17:07 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/13/2013 17:07 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/13/2013 17:07 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 17:05 84000100 3 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c
02/13/2013 17:05 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
Date Time Event ID Event Level Description
02/13/2013 16:55 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 16:52 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 16:52 2417164289 6 TFTP download init
02/13/2013 16:52 2417164290 6 TFTP download complete
02/13/2013 16:52 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/13/2013 16:52 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/13/2013 16:52 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/13/2013 16:51 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 16:51 84000100 3 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c
02/13/2013 16:50 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 14:34 84000200 3 SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1
02/13/2013 13:56 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:56 2417164289 6 TFTP download init
02/13/2013 13:56 2417164290 6 TFTP download complete
02/13/2013 13:56 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/13/2013 13:56 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/13/2013 13:56 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/13/2013 13:55 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:55 84000100 3 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c
02/13/2013 13:53 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:53 84000100 3 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c
Date Time Event ID Event Level Description
02/13/2013 13:49 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:49 2417164289 6 TFTP download init
02/13/2013 13:49 2417164290 6 TFTP download complete
02/13/2013 13:49 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/13/2013 13:49 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/13/2013 13:49 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/13/2013 13:49 84000200 3 SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1
02/13/2013 13:49 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:49 84000200 3 SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1
Date Time Event ID Event Level Description
02/13/2013 13:44 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:44 2417164289 6 TFTP download init
02/13/2013 13:44 2417164290 6 TFTP download complete
02/13/2013 13:44 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/13/2013 13:44 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/13/2013 13:43 84000100 3 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=00:00:00:00:00
02/13/2013 13:43 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/13/2013 13:43 84000200 3 SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1
02/13/2013 13:43 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:43 84000200 3 SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1
02/13/2013 13:42 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:42 2417164289 6 TFTP download init
02/13/2013 13:42 2417164290 6 TFTP download complete
02/13/2013 13:42 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/13/2013 13:42 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/13/2013 13:42 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/13/2013 13:42 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:41 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:41 2417164289 6 TFTP download init
02/13/2013 13:41 2417164290 6 TFTP download complete
02/13/2013 13:41 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/13/2013 13:41 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
02/13/2013 13:41 84000100 3 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=00:00:00:00:00
02/13/2013 13:40 82000400 3 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d
02/13/2013 13:40 84000200 3 SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1
02/13/2013 13:40 84020300 5 MDD message timeout;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:40 84000200 3 SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1
02/13/2013 13:38 73040100 6 TLV-11 - unrecognized OID;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.1;CM-VER=3.0;
02/13/2013 13:38 2417164289 6 TFTP download init
02/13/2013 13:38 2417164290 6 TFTP download complete
02/13/2013 13:38 68000401 5 ToD request sent - No Response received;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0;
02/13/2013 13:38 68000300 5 DHCP WARNING - Non-critical field invalid in response ;CM-MAC=00:1d:cd:de:XX:XX;CMTS-MAC=68:ef:bd:f0:8c:63;CM-QOS=1.0;CM-VER=3.0
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