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sacolton
10-31-2011, 07:50 AM
Hello,

For the last several weeks, my high-speed internet connection has been unreliable. The connection would drop and then the cable modem would reset and connect again. The problem is worse when requiring high bandwidth (online gaming, Netflix streaming movies, etc.).

Here is the modem log:



2011-10-31 04:26:06
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:00:26
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:00:07
6-Notice
M571.1
Ethernet link up - ready to pass packets


2011-10-31 04:25:25
6-Notice
M573.0
Modem Is Shutting Down and Rebooting...


2011-10-31 04:25:25
3-Critical
R004.0
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o


2011-10-31 04:24:52
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:24:42
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:24:41
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:24:41
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:24:39
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:22:59
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:00:23
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:00:07
6-Notice
M571.1
Ethernet link up - ready to pass packets


2011-10-31 04:22:21
6-Notice
M573.0
Modem Is Shutting Down and Rebooting...


2011-10-31 04:22:21
3-Critical
R004.0
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o


2011-10-31 04:21:49
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:21:38
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:21:37
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:21:37
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:21:35
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:19:24
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:00:22
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:00:07
6-Notice
M571.1
Ethernet link up - ready to pass packets


2011-10-31 04:18:47
6-Notice
M573.0
Modem Is Shutting Down and Rebooting...


2011-10-31 04:18:47
3-Critical
R004.0
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o


2011-10-31 04:18:14
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:18:04
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:18:03
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:18:03
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:18:01
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:10:13
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:00:22
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:00:07
6-Notice
M571.1
Ethernet link up - ready to pass packets


2011-10-31 04:09:36
6-Notice
M573.0
Modem Is Shutting Down and Rebooting...


2011-10-31 04:09:36
3-Critical
R004.0
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o


2011-10-31 04:09:03
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:08:53
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:08:52
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:08:52
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:08:50
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:06:10
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:00:24
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:00:07
6-Notice
M571.1
Ethernet link up - ready to pass packets


2011-10-31 04:05:32
6-Notice
M573.0
Modem Is Shutting Down and Rebooting...


2011-10-31 04:05:31
3-Critical
R004.0
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o


2011-10-31 04:04:59
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:04:48
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:04:48
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:04:48
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:04:46
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:02:07
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:00:25
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:00:07
6-Notice
M571.1
Ethernet link up - ready to pass packets


2011-10-31 04:01:26
6-Notice
M573.0
Modem Is Shutting Down and Rebooting...


2011-10-31 04:01:26
3-Critical
R004.0
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o


2011-10-31 04:00:54
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:00:43
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:00:42
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 04:00:42
4-Error
C401.0
DCC-ACK not received


2011-10-31 04:00:40
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 03:58:34
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:00:27
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:00:07
6-Notice
M571.1
Ethernet link up - ready to pass packets


2011-10-31 03:57:52
6-Notice
M573.0
Modem Is Shutting Down and Rebooting...


2011-10-31 03:57:52
3-Critical
R004.0
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o


2011-10-31 03:57:19
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 03:57:09
4-Error
C401.0
DCC-ACK not received


2011-10-31 03:57:08
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 03:57:08
4-Error
C401.0
DCC-ACK not received


2011-10-31 03:57:06
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 03:54:26
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:00:24
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:00:07
6-Notice
M571.1
Ethernet link up - ready to pass packets


2011-10-31 03:53:44
6-Notice
M573.0
Modem Is Shutting Down and Rebooting...


2011-10-31 03:53:44
3-Critical
R004.0
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o


2011-10-31 03:53:12
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 03:53:01
4-Error
C401.0
DCC-ACK not received


2011-10-31 03:53:01
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 03:53:00
4-Error
C401.0
DCC-ACK not received


2011-10-31 03:52:58
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-31 02:08:38
4-Error
D103.0
DHCP RENEW sent - Invalid DHCP option


2011-10-30 14:08:50
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:03:38
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:03:21
6-Notice
M572.0
Dhcp Init Failed - Reinitialize MAC...


1970-01-01 00:03:21
3-Critical
D002.0
DHCP FAILED - Request sent, No response


1970-01-01 00:00:07
6-Notice
M571.1
Ethernet link up - ready to pass packets


2011-10-30 14:04:57
6-Notice
M573.0
Modem Is Shutting Down and Rebooting...


2011-10-30 14:04:56
3-Critical
R004.0
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o


2011-10-30 14:04:24
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-30 14:04:13
4-Error
C401.0
DCC-ACK not received


2011-10-30 14:04:13
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-30 14:04:13
4-Error
C401.0
DCC-ACK not received


2011-10-30 14:04:11
3-Critical
R005.0
Started Unicast Maintenance Ranging - No Response received - T3 time-out


2011-10-30 13:32:24
6-Notice
I401.0
TLV-11 - unrecognized OID


1970-01-01 00:07:05
3-Critical
D003.0
DHCP FAILED - Requested Info not supported.


1970-01-01 00:06:51
3-Critical
T001.0
SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing


1970-01-01 00:06:46
3-Critical
T002.0
SYNC Timing Synchronization failure - Failed to acquire FEC framing


1970-01-01 00:06:46
3-Critical
T001.0
SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing


1970-01-01 00:06:39
3-Critical
T002.0
SYNC Timing Synchronization failure - Failed to acquire FEC framing


1970-01-01 00:06:39
3-Critical
T001.0
SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing




I contacted Cox and Tech Support said it was the modem. I picked up a new modem at the Cox store. Problem still continues.
I contacted Cox again, Tech Support said it was the router. Plugged PC directly into cable modem (bypassing router). Problem still continues.
I contacted Cox again, Tech came over. Checked indoor lines. Everything looks good. Replaced outdoor box. Problem still continues.
I contacted Cox again, Tech elevates my issue to Tier 2. Research online says problem is something in the neighborhood. Bad node. Bad line amplifier. Hardline Dist. Plant problem.

This is very frustrating. Any suggestions?

-sacolton

raoul5788
11-11-2011, 08:02 AM
A belated :welcome to Satelliteguys to you!

Have you asked any of your neighbors if they have the same issue? If it's a node, they should be able to narrow it down to which one if you can find others with/without the same problem.

digiblur
11-11-2011, 10:34 AM
What modem did you pick up?

Usually a T3 timeout is due to a noise issue in the cable.

Reigster at SatelliteGuys