Question about Arris SURFboard® SB5101 Cable Modem
Intermittent connection issues are very difficult for internet service providers to trouble shoot. The first step in trouble shooing any Intermittent connection problem is to look at the chain of equipment involved in flow of data from the internet service provider to the end user. In most homes the packets enter from the main line to the modem, than from the modem to the router, and finally from the router to you computer. So that means that the issue can be caused from the following equipment: main cable line, splitter, modem, router, or the Ethernet / wireless card of the PC. The first step in trouble shooting this problem is to wait for the internet to drop off. As soon at this happens go to your modem. If the top 4 lights are not solid green then the the modem is losing it's connection to the internet. This can be cause by some thing as simple as a bad splitter in the home or some thing as complicated at an issue at the pole. If the modem drops the connection I would recommend contacting the internet service provider and demand a service call to swap the modem and check the pole. Now if when the connection drops the modem still has access than the issue is most likely with the router or PC. If more than one computer loses it's internet access than you can rule out the computer as the issue. At this point I would have to recommend bypassing your router for about 48 hours. If the issue does not return than you know the router was the source of the problem.
I hope that information above has helped is some way.
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Posted on Sep 01, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
One of the things to check first, is IF it's your ISP,
your internet provider. Many of them will close connections or set you to reset
your DHCP lease frequently. I noticed you did say it works fine to the modem.
Does it work fine to the modem for extended periods of time? Or does the same
thing happen eventually? I have a routine I run if an ISP drops bandwidth or
connection if your inactive for too long, or you can call them and demand a
longer DHCP lease time if that's the factor. Many cable and router companies
don't even check this before they start replacing equipment such as modems or
routers. IF the same thing happens when you stay connected to the modem from
the computer directly for say a whole day, then we have to start looking at
other potential issues. I am following the problem. Feel free to comment or
whatever. I will check back frequently. If you would like to work through this
problem I will assist you. It will take troubleshooting and a few steps. It's
just not that simple with 1000s of things that can go wrong. This computer/Networking
stuff is not Rocket Science. If it was we would never make it off the earth as
broken/unfinished products are shiped and sold daily. Software is flawed. You
have about 10 different corporations with nothing but profit as there motive
involved. Feel free to contact me or we can do it here as well.
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