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Posted by Bit Twister on April 14, 2005, 1:25 am
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On Thu, 14 Apr 2005 00:32:43 +0100, Jen wrote:
>
> Bit Twister Wrote:
>
> I'm having what I think is the same problem. I've repeatedly done all
> of the renew, ping, and power off/on routines that you mentioned and
> many more. I'm now to the point where I can get a connection, but it
> doesn't last for long, and will "flicker" off and on. The LAN status
> still shows "Connected," but I can't always pull up a web page.
If your modem leds are looking normal and you can get to the cable
modem web page your 90% doing good. If the top leds are not on solid
you have cable signal problems. The other problem maybe signal levels.
If you can ping 66.94.234.13, you are connected to the internet and
doing 99% good. If that ping works and ping yahoo.com fails, your DNS
servers are AFU.
> I'm convinced that it has something to do with software/settings on
> my computer, but I have no idea where to start.
Since I do not do windows, I cannot help you.
Next chance you get, download a knoppix iso and burn to cd.
boot cd set dhcp on ethernet and use a public dns server.
http://source.rfc822.org/pub/mirror/knoppix/
If that stays on solid, you know it is software.
Always helps to get a second opinion to rule out hardware.
> I thought it might be the firewall settings, but
> it continues even when that is turned off. Actually, if I remember
> correctly, I get a different message when the router is taken out of
> the mix - it says that there is "Limited or no connectivity" and it
> cannot find my IP address.
Anytime you change the hardware connected to the cable modem, you have to
power reset the cable modem at least 15 seconds just to talk to the modem.
> I went to the web page that you mentioned
> and found the following log entries - do these give any indication of
> what might be going on? (My current hardware is a Motorola SB5100
> cable modem and a Linksys BEFSX41 broadband firewall router.)
Those are normal on a booted cable modem.
You need to show your up/down stream signal values to rule cable modem
connectivity.
You have to get to known state to trouble shoot your problem.
Get the knoppix to rule out hardware and software.
> I haven't checked again recently, but these problems did not occur with
> my USB port.
Well if USB works SOLID, that indicates the cable modem connection is
working.
Does not rule out ethernet port side of modem.
> However, I want to use the hardware firewall,
I hear that. Viruses are trying to disable those. :(
Buy or get a friend to burn a knoppix cd to help you rule out hardware
problems.
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