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Old 16.05.2012, 08:04
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wireless router cause modem to fail?

Hi, I am struggling this for couple of days already, no success:
I have a Thomson cable modem + Netgear wifi router. The internet connection fails from time to time, and only thing that brings it back is rebooting the modem.
The lamps on the modem does not show any fail of data connection.
Resetting the wifi router would not help.
This can happen in the middle of the night with no special activity.
Did not happen when I was connected directly with cable from my laptop to the modem.
I called the cable company, the guy said there is a low signal because of bad cable between the modem and the wall, replaced it, but it happened again few hours after he left.

Any suggestions will be mostly appreciated!

Thanks!
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Old 16.05.2012, 08:51
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Re: wireless router cause modem to fail?

I have experienced this same problem in the past. What I ended up diagnosing the cause to be was that my wireless modem was starting to fail and eventually did fail.

The best way to test this is:
  • Disconnect the wireless modem completely and then check if your internet connection is working fully.
  • Then reconnect the wireless modem and see if everything is still ok
  • If the internet connection keeps dropping out when the wireless modem is connected it might be a sign it is starting to fail
  • I ended up replacing the wireless modem and this fixed the problem immediately so I decided the old wireless modem was the problem
Hope this helps
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Old 16.05.2012, 09:13
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Re: wireless router cause modem to fail?

don't have specific help for you but we are struggling to install/get working a wireless access point from d link to work with our cablecom/Thomson set up. Do you mean that you set up the wireless router as an access point to boost signal through the house or is this for a separate VPN or similar (I am only moderately literate when it comes to this stuff, so please forgive my ignorance if I speak nonsense!)

Any insights as to what my problem could be would be greatly appreciated! I can't get the set-up from the CD to finish - wondering if anyone else had problems and installed manually via a web browser? Thanks!
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Old 16.05.2012, 10:34
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Re: wireless router cause modem to fail?

Hi, I have a "Bmw" car, can you help me know the issue?



I mean I have a router, and a modem. They are all the same. Please Mr FixIt, help!



PS: if you want to hear nice things and having your issue not resolved, then call the customer service. If you want to get your problem resolved quickly then use your brain 2 seconds and post the versions of your devices. And your Internet provider name.

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Old 16.05.2012, 13:56
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Re: wireless router cause modem to fail?

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PS: ... If you want to get your problem resolved quickly then ... post the versions of your devices. And your Internet provider name.
I'll ignore the cynicism....

The Router is Netgear WNR200 v3
The Modem is Thomson THG571
The provider is WWZ - the local provider in canton Zug.

Thanks!!
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Old 16.05.2012, 14:00
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Re: wireless router cause modem to fail?

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Hi, I am struggling this for couple of days already, no success:
I have a Thomson cable modem + Netgear wifi router. The internet connection fails from time to time, and only thing that brings it back is rebooting the modem.
The lamps on the modem does not show any fail of data connection.
Resetting the wifi router would not help.
This can happen in the middle of the night with no special activity.
Did not happen when I was connected directly with cable from my laptop to the modem.
I called the cable company, the guy said there is a low signal because of bad cable between the modem and the wall, replaced it, but it happened again few hours after he left.

Any suggestions will be mostly appreciated!

Thanks!
Sounds like it's a problem with the router, try to borrow one for a day or two & see if there is then a problem or not. If the lights are normally functioning on the modem why did he advise you to replace a cable to it?????
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Old 16.05.2012, 15:23
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Re: wireless router cause modem to fail?

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Sounds like it's a problem with the router, try to borrow one for a day or two & see if there is then a problem or not. If the lights are normally functioning on the modem why did he advise you to replace a cable to it?????
Well - he checked the signal from the wall socket, and the one out of the cable and noticed a bit too big difference. Nothing that can explain a modem failure IMPO, but he is the technician...
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Old 16.05.2012, 15:26
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Re: wireless router cause modem to fail?

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I'll ignore the cynicism....

The Router is Netgear WNR200 v3
The Modem is Thomson THG571
The provider is WWZ - the local provider in canton Zug.

Thanks!!
Ok,
I have the same router, it's a really good router (but it's possible you got a faulty one?).
You have that user guide, which can gives hint on how to diagnose it:
http://www.kabelfernsehen.ch/dokumen...buchTHG570.pdf. Although I quickly glanced at it, it will probably not help much.


So:
What do you mean "internet is failling"?
Which website(s)? Can you reach google when it's "failling"?

1) We are going to remove your router from the suspects.
When your "internet is failling" try to ping the router from your computer.
Then try to ping the modem from your computer.
What OS do you have?
Do you know how to ping?
Do you know how to "trace route"?
http://www.mediacollege.com/internet...raceroute.html

2) Sometimes your local provider have some tools to test your connectivity in the long term, and show some graphics. Without that you're going to have to go old school. You are going to ping for a long time:
http://www.mediacollege.com/internet...oter/ping.html
(ping -f www.google.com).


3) Then do the same than above but having removed your router, and connect directly to the modem.

4) you can also try http://myspeed.visualware.com/index.php, one of many websites to verify your speed, but also the quality.


5) When it's "failling" also try to connect to your modem admin page (192.168.100.1, by default I think). Does it works?
Is there any relevant "event log"?

Start with all those suggestions,
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Old 16.05.2012, 15:43
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Re: wireless router cause modem to fail?

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Ok,
I have the same router, it's a really good router (but it's possible you got a faulty one?).
You have that user guide, which can gives hint on how to diagnose it:
http://www.kabelfernsehen.ch/dokumen...buchTHG570.pdf. Although I quickly glanced at it, it will probably not help much.


So:
What do you mean "internet is failling"?
Which website(s)? Can you reach google when it's "failling"?

1) We are going to remove your router from the suspects.
When your "internet is failling" try to ping the router from your computer.
Then try to ping the modem from your computer.
What OS do you have?
Do you know how to ping?
Do you know how to "trace route"?
http://www.mediacollege.com/internet...raceroute.html

2) Sometimes your local provider have some tools to test your connectivity in the long term, and show some graphics. Without that you're going to have to go old school. You are going to ping for a long time:
http://www.mediacollege.com/internet...oter/ping.html
(ping -f www.google.com).


3) Then do the same than above but having removed your router, and connect directly to the modem.

4) you can also try http://myspeed.visualware.com/index.php, one of many websites to verify your speed, but also the quality.


5) When it's "failling" also try to connect to your modem admin page (192.168.100.1, by default I think). Does it works?
Is there any relevant "event log"?

Start with all those suggestions,
Yep, I know how to ping and to trace rout, will do my homework and get back to you.
I have windows 7 professional edition.
When I say internet connection is down - I mean no connection to any site, including Google.
I am still connected to the wifi network though.

My guess is there is some kind of conflict between the router and the modem.
May be worth trying to drop the wifi network and recreate it.

It is not a problem of slow connection, but NO connection. The message I get is that the page can not be found - no DNS server.

Thanks again!
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Old 16.05.2012, 16:05
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Re: wireless router cause modem to fail?

Update: after only few minutes of ping when the computer is connected directly to the modem - I have too many packets failures (5%).
will call the provider again...

Cheers.
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Old 16.05.2012, 19:17
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Re: wireless router cause modem to fail?

Make sure there's no conflict of IP addresses, ie: that the modem and router don't have the same IP address. Also check that you have only one DHCP enabled. If DHCP is enabled in both the modem and router, they will cause problems with IP addressing and could make you lose a connection.
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Old 16.05.2012, 21:47
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Re: wireless router cause modem to fail?

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Make sure there's no conflict of IP addresses, ie: that the modem and router don't have the same IP address. Also check that you have only one DHCP enabled. If DHCP is enabled in both the modem and router, they will cause problems with IP addressing and could make you lose a connection.
This was the problem with our access point...we had to set it up via a web browser and make sure the d link was not DHCP enabled. There was no option to do this with the standard cd set up. Once that was done, it was a piece of cake!
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Old 29.05.2012, 16:45
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Re: wireless router cause modem to fail?

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Update: after only few minutes of ping when the computer is connected directly to the modem - I have too many packets failures (5%).
will call the provider again...

Cheers.
have you checked the "signal quality" in the thomson admin page?

Have you made any progress?
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Old 29.05.2012, 18:10
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Re: wireless router cause modem to fail?

I've seen this a few times, when I log into the thomson status page it shows the status "network work access - Denied" ... I think now and again the central servers have a wobble, chances are they could just be doing maintenance as an hour or so later it's started working again without me doing anything.
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Old 25.01.2016, 23:20
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Re: wireless router cause modem to fail?

Hi Shabar

I currently face exactly the same issue. May I ask if you found a solution and if yes, how it looked like?

Thanks
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