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aphendri

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Internet shuts off at least 5 times a week

As stated our internet shuts off a lot, sometimes 5 times in a day. Once we restart the modem and router the connection reestablishes itself. We have a  Motorola Surfboard SB6141 modem and a Medialink Wireless-N router. Thanks for any help.

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If you just restart the router, does it also fix the problem? When the problem occurs, do the lights change on the modem?

Also, what are your modem's signal levels? You can find them at 192.168.100.1

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aphendri

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I have tried just resetting the router and it also fixes the problem.

The lights do change on the modem.

What modem signal levels do you want?

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Nevermind the signal levels for now. Data you just gave points to a possible issue with the router. I have never heard of Medialink brand router. Where did you it? Has it been doing this long? What is the model number?

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aphendri

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aphendri

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Here are my signal levels just in case

DownstreamBonding Channel Value
Channel ID 53  54  55  56  57  58  59  60 
Frequency 837000000 Hz  843000000 Hz  849000000 Hz  855000000 Hz  861000000 Hz  867000000 Hz  873000000 Hz  879000000 Hz 
Signal to Noise Ratio 38 dB  37 dB  37 dB  37 dB  38 dB  38 dB  38 dB  37 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
1 dBmV   1 dBmV   1 dBmV   1 dBmV   1 dBmV   1 dBmV   1 dBmV   1 dBmV  

UpstreamBonding Channel Value
Channel ID 2  1  3 
Frequency 29600000 Hz  23300000 Hz  36100000 Hz 
Ranging Service ID 111  111  111 
Symbol Rate 5.120 Msym/sec  2.560 Msym/sec  5.120 Msym/sec 
Power Level 39 dBmV  39 dBmV  41 dBmV 
Upstream Modulation [3] 16QAM
[3] 64QAM
 		 [3] QPSK
[2] 16QAM
[3] 64QAM
 		 [3] 16QAM
[3] 64QAM
 
Ranging Status Success  Success  Success 

Signal Stats (Codewords)Bonding Channel Value
Channel ID 53  54  55  56  57  58  59  60 
Total Unerrored Codewords 906085431  905316938  905326139  905344423  905316472  905317560  905364754  905365741 
Total Correctable Codewords 0  2632  3465  1381  50  45  9  14 
Total Uncorrectable Codewords 520  1518  576  1655  592  590  625  695 

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DerrickW

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Hi aphendri,

If resetting the router corrects the connection issue then it sounds like the problem is with that piece of equipment.  The easiest way to determine if there is an issue with the modem or not is to connect it directly to the computer (without the router involved).  If the connection drops then we know there is an issue with the signal coming in to the modem. 

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Might want to check the logs on the router for the time the problem occurs. for more info see page 55-56 of this manual.

Depending on what the logs I might be able suggest a solution for the problem.

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aphendri

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 1  2011-04-01 00:00:00  main  System start
 2  2011-04-01 00:00:10  dhcpc_vlan2  interface vlan2 init
 3  2011-04-01 00:00:11  dhcpc_vlan2  DHCPC_DISCOVER sending
 4  2011-04-01 00:00:18  dhcpc_vlan2  DHCPC_DISCOVER sending
 5  2011-04-01 00:00:28  dhcpc_vlan2  DHCPC_DISCOVER sending
 6  2011-04-01 00:00:30  dhcpc_vlan2  DHCPC_DISCVOER received
 7  2011-04-01 00:00:30  dhcpc_vlan2  DHCPC_STATE_REQUESTING init sending
 8  2011-04-01 00:00:30  dhcpc_vlan2  DHCPC_STATE_REQUESTING received
 9  2011-04-01 00:00:30  dhcpc_vlan2  DHCPC_STATE_REQUESTING lease = 20
 10  2011-04-01 00:00:31  dhcpc_vlan2  DHCPC_DISCOVER sending
 11  2011-04-01 00:00:31  dhcpc_vlan2  DHCPC_DISCVOER received
 12  2011-04-01 00:00:31  dhcpc_vlan2  DHCPC_STATE_REQUESTING init sending
 13  2011-04-01 00:00:31  dhcpc_vlan2  DHCPC_STATE_REQUESTING received
 14  2011-04-01 00:00:31  dhcpc_vlan2  DHCPC_STATE_REQUESTING lease = 20
 15  2011-04-01 00:00:32  dhcpc_vlan2  DHCPC_DISCOVER sending
 16  2011-04-01 00:00:32  dhcpc_vlan2  DHCPC_DISCVOER received
 17  2011-04-01 00:00:32  dhcpc_vlan2  DHCPC_STATE_REQUESTING init sending
 18  2011-04-01 00:00:33  dhcpc_vlan2  DHCPC_STATE_REQUESTING received
 19  2011-04-01 00:00:33  dhcpc_vlan2  DHCPC_STATE_REQUESTING lease = 20
 20  2011-04-01 00:00:34  dhcpc_vlan2  DHCPC_DISCOVER sending

Just happened again so here are the logs

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I think those might be old logs? The date show 2011, or does the clock not work on the router? Or maybe your on the first pages and its sorted by date?

Either way, those logs look normal, during a reboot. It looks like its sending DHCP requests without error and its getting a response. If this is indeed the problem then it might be fixable with a firmware update but I think better evidence can be found else where in the logs. 

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aphendri

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I tried updating the firmware and it did nothing. It is definitely the router because I connected the modem directly to my computer when the internet dropped and the internet was working without me restarting the modem. The logs still look exactly the same though so I have no idea what is happening

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If thats the case then it sounds like the connection is failing when the lease on the DHCP IP runs out and the router can't aquire a new one. Might need a new router. Have you tried calling the manufacturer? How old is it?

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aphendri

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I'll call the manufacturer tomorrow. It is 7 months old.

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