Question about Arris SB5100 SURFboard DOCSIS 2.0 Cable Modem (50120900100)

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Motorola sb5100 surfboard - ps3

I have tryed to connect to the internet on my ps3 with a wired connection but i keep getting a message back saying there is a dns error can you help me please

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  • Anonymous Mar 20, 2008

    it keeeps saying my dns number failed

  • HiTmAn d b May 11, 2008

    i just got this new modem and i turn on my ps3 and it says dns error has occured pleeeeeeeeeeeeeez help

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  • 86 Answers

Have you rebooted your modem after hooking it up? Each time you move your connection from your modem, it must be rebooted to issue new information specific to your equipment. Also, make sure you haven't pushed the "Standby" button on the top.

Posted on Feb 19, 2008

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Sb5100 surfboard motorola modem I can't get an Internet connection on my laptop. The only light lit on the modem is standby. I tried unplugging it to reset it but it didn't work. Please help!


the standy by feature is a button on the top of the modem. Press button and check that all your lights come on green (power send recieve and online). then you should have connection

Jan 09, 2011 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

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Motorola SB5100 SURFboard keeps dropping service


Take a look at the information here

I developed it to fix a lot of minor home networking problems and there may be somthing of use to you there.

Aug 23, 2009 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

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Need to get wireless on my laptop,


No, the SB5100 is just a cable modem, not a wireless router. You will need to keep your sb5100 but you will need to purchase a wireless router if you want wireless on your laptop. If you can also plug your laptop into the sb5100 via an ethernet cable for your internet connection. Linksys and Belkin and others make wireless routers that you can use for your wireless connections.

May 01, 2009 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

1 Answer

Can't connect Motorola sb5100 to a Linksys wrt54g


Make sure that you have the ethernet cord from your modem plugged into the WAN/Internet port on your router. Then unplug the power cord from your cable modem and plug it right back in. After the modem fully comes back online, unplug the power cord on the wireless router and plug it back in. wait 30 - 60 sec and then try and connect.

Most cable companies only allow one active"CPE" at a time for internet access. All this means is when you change what is connected to the cable modem you must always reboot the cable modem to allow access.


Hope this helps. Let me know if it does not work.

Please Rate

Jan 29, 2009 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

1 Answer

Inability to connect to Internet


The easiest solution would be to use an ethernet connection. A second problem is probably on most cable modems you can either use a USB connection OR an ethernet connection you cannoot use both at the same time.

Dec 12, 2008 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

1 Answer

MY LINKSYS WRT54G WONT READ MY COMPUTERS INTERNET CONNECTION


Ok to start the yellow ethernet port should be connected straight to the Linksys router in the ethernet in port. Then you connect the cmputer to one of the other the 4 ports on the back of the wireless router. wala you shouldn't have any more trouble after that.

Dec 03, 2008 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

1 Answer

Help me


i have windows xp, and i keep losing internet connection, i have called my cable company several times they say its working, but it isnt, i have a motorola motem how can i fix this problem, im about to just do away with my internet and use a different one

Jun 17, 2008 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

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