Question about Arris SURFboard SB5101 Cable Modem

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How to reset motorola surfboard sb5101u - Arris SURFboard SB5101 Cable Modem

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Sb5101U motorola


is the Motorola SB5101U a wireless model. if not the only way you cant access it will be thru Cat5 connection. or cable.

Sep 13, 2013 | Apple Computers & Internet

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I need to lock my network so i am secure from other accesssing my network. i am on a macbookpro the router is a moterola SB5101u


you should contact your Internet Service Provider to have it lock for you so it wont be accessed by others

Mar 18, 2011 | Arris SURFboard SB5120 Modem

1 Answer

My modem has a problem where it has two blinking lights ( send and recieve) can you help


hi,

Its normal for your modem to have a blinking send and received lights because that means that its sending and received data from the server itself...

Hope this will help... your response is very much appreciated...

Jan 21, 2011 | Arris SURFboard SB5101U DOCSIS 2.0 Cable...

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Will this work with Comcast broadband and Windows 7?


This modem will work with Comcast High Speed Internet.
You will have to contact Motorola for drivers for the Windows 7.

It does matter how fast your internet speed is,anything faster than 20meg,will need a Docsis 3.0 modem.

Jan 13, 2011 | Arris SURFboard SB5101U DOCSIS 2.0 Cable...

1 Answer

Got Motorola SB5101u cable modem get ip address and works with xp/pro, but can't get vista computer to get IP address even though have configured for automatic ip / dns. Tried everything I could think of


Obviously make sure its set to automatic IP/dns. If thats not working you need to do this

Click on Start -> All Programs -> Accessories -> Right click on command prompt and hit run as administrator.

In Dos prompts type these commands in EXACTLY AS WRITTEN.

netsh i i r r
netsh firewall reset
netsh winsock reset

Also, if you have anti virus like norton or trend micro or mcafee or webroot, you *NEED* to disable their firewalls and possible the entire program.

Some isp's for some reason make it impossible for Vista machines to pull ip addresses dynamically because of a flaw in windows vista. If this continues, i would contact your ISP and request a motorola surfboard 900 series modem, or a cable modem that is in route mode (NOT bridged, as bridged modems will pull a public ip address)

Jan 12, 2011 | Arris SURFboard SB5101 Cable Modem

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I recently purchase comcast internet and cable. I have a motorola surfboard SB5101U cable modem and when I try 2 connect my xbox to xboxlive, it says that my network doesn't have a sufficient MTU setting....


You actually should call comcast and tell them about the issue, They have a backdoor into your modem that they can troubleshoot it for you. The issue with their modems is they are usually locked with some weird password they use.

Usually with a modem or router you can dial an internal page but there system like Time Warner is set to their needs so that they can keep that back-door open.

Comcast phone number is 1-800-266-2278 or 1-800-Comcast same numbers thats just the way they word it on their site.

Oct 21, 2010 | Arris SURFboard® SB5101 Cable Modem

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