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Modem rebooting randomly.


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6 replies to this topic

#1 dwalklp89

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Posted 26 April 2010 - 03:40 PM

I recently got a new modem from Comcast to replace my old one. Ever since I got it it has been randomly rebooting. It is a Motorola Surfboard. Don't have model number but it is like 2 weeks old. Here is the log from today and yesterday:


2010-04-26 08:08:08 3-Critical R002.0 No Ranging Response received - T3 time-out (US 5)
2010-04-26 08:08:04 3-Critical R002.0 No Ranging Response received - T3 time-out (US 9)
2010-04-26 08:07:59 6-Notice M572.0 Bogus Us Target - Reinitialize MAC...
2010-04-26 08:07:59 3-Critical C205.0 DCC aborted no UCD for new upstream channel
2010-04-26 01:50:10 3-Critical R002.0 No Ranging Response received - T3 time-out (US 9)
2010-04-26 01:50:00 6-Notice M572.0 Bogus Us Target - Reinitialize MAC...
2010-04-26 01:50:00 3-Critical C205.0 DCC aborted no UCD for new upstream channel
1970-01-01 00:00:07 6-Notice M571.1 Ethernet link up - ready to pass packets
2010-04-26 01:19:13 6-Notice E111.0 SW download Successful - Via NMS
2010-04-26 01:17:55 6-Notice E101.0 SW Download INIT - Via NMS
1970-01-01 00:00:12 3-Critical R002.0 No Ranging Response received - T3 time-out (US 5)
1970-01-01 00:00:07 6-Notice M571.1 Ethernet link up - ready to pass packets
2010-04-25 20:10:36 3-Critical R002.0 No Ranging Response received - T3 time-out (US 5)
2010-04-25 20:10:30 3-Critical R002.0 No Ranging Response received - T3 time-out (US 2)
2010-04-25 20:10:15 3-Critical R002.0 No Ranging Response received - T3 time-out (US 9)
2010-04-25 20:10:04 3-Critical R002.0 No Ranging Response received - T3 time-out (US 1)
2010-04-25 20:09:59 6-Notice M572.0 Bogus Us Target - Reinitialize MAC...
2010-04-25 20:09:59 3-Critical C205.0 DCC aborted no UCD for new upstream channel
2010-04-25 20:02:00 6-Notice M572.0 Bogus Us Target - Reinitialize MAC...
2010-04-25 20:02:00 3-Critical C205.0 DCC aborted no UCD for new upstream channel
2010-04-25 19:58:11 3-Critical R002.0 No Ranging Response received - T3 time-out (US 5)
2010-04-25 19:58:07 3-Critical R002.0 No Ranging Response received - T3 time-out (US 1)
2010-04-25 19:57:58 6-Notice M572.0 Bogus Us Target - Reinitialize MAC...
2010-04-25 19:57:58 3-Critical C205.0 DCC aborted no UCD for new upstream channel
2010-04-25 17:12:00 3-Critical R002.0 No Ranging Response received - T3 time-out (US 8)
2010-04-25 17:11:55 6-Notice M572.0 Bogus Us Target - Reinitialize MAC...
2010-04-25 17:11:55 3-Critical C205.0 DCC aborted no UCD for new upstream channel
2010-04-25 16:54:36 3-Critical R005.0 Started Unicast Maintenance Ranging - No Response received - T3 time-out


Also here is the signal:

Downstream Value
Frequency 723000000 Hz
Signal To Noise Ratio 35.9 dB
Power Level -7.1 dBmV

Upstream Value
Channel ID 5
Frequency 22000000 Hz
Power 55.2 dBmV

Should I get a replacement? Any help would be appreciated. Already contacted Comcast they said nothing was wrong, but then again, what do they know half the time...

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#2 Monty007

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Posted 27 April 2010 - 05:00 PM

Hi, to help we would need the model number it should be on the back or bottom of the device.
MCP
MSDST

#3 dwalklp89

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Posted 27 April 2010 - 07:35 PM

I think its SB5101NU

#4 Monty007

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Posted 28 April 2010 - 05:46 AM

Hi, it looks like this model:
SB5101 Series SURFboard® Cable Modems (SB5101, SB5101 U, SB5101 N) http://broadband.motorola.com/consumers/su...ion=CableModems

I would check the drivers are the latest version, if they are contact support https://broadband.custhelp.com/app/ask/sess...tag%3D%3D/sno/0
MCP
MSDST

#5 CaveDweller2

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Posted 29 April 2010 - 06:23 PM

You pay for your cable, correct? It is not working correctly, correct? If the answer to both of these is yes, you need to call them for an appointment. Not a replacement, have a tech come out.

Hope this helps thumbup.gif

Associate in Applied Science - Network Systems Management - Trident Technical College


#6 dwalklp89

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Posted 30 April 2010 - 12:45 AM

Was hoping someone here could help. Like I really want to call and have a tech come out. If I did, thats the first thing I would have done....

#7 CaveDweller2

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Posted 30 April 2010 - 10:16 AM

Do you rent your modem from Comcast? Then its not yours, you can't update crap on it, legally.

Why did you get a new modem in the first place?

Hope this helps thumbup.gif

Associate in Applied Science - Network Systems Management - Trident Technical College





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