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Internet disconnecting every 5 minutes


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#1
SkyhawkCaptain

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Good evening all.

I have Cox high speed internet service connected to a Netgear N300 wireless router downstairs. My computer is on the second floor and is connected to the router using a Netgear WNA3100 adapter. My problem is that everything has slowed to a crawl, and my internet disconnects what seems like every five minutes. Here are a list of symptoms:

Online games showing pings upwards of 1000-1500MS (when a month ago I was running under 100 MS)
Netflix commonly states my internet connection has slowed and needs to be adjusted (if it runs at all)
The chime that alerts me that my internet is now connected beeps about every five minutes
Speed of the network connection swings from 29 up to 105 Mbps constantly
internet pages take upwards of five minutes to load (again if at all).

I have researched a bit and one suggestion was to update my router firmware (the router was installed when we changed providers last month), but my GF cannot remember the username or password to log into the router (another problem I have to deal with).

If anyone might be able to help me out I would much appreciate it!
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#2
etaf

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I have researched a bit and one suggestion was to update my router firmware (the router was installed when we changed providers last month), but my GF cannot remember the username or password to log into the router (another problem I have to deal with).

did you change the password at all - if not then the default is
, enter admin for the router user name and password for the router password,

user manual
ftp://downloads.netgear.com/files/WNR2000v2_SM_01SEP2009.pdf

can you move closer to the router to see if that resolves the issue - and if a simple wireless issue
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#3
SkyhawkCaptain

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I am unable to move the computer closer to the router, I would like to be able to connect directly to it at some point. The wireless strength I am getting from the adapter is 97%. My girl asked the cable installer to set a password into the router when it was being installed.
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#4
etaf

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do you know all the configuration information?
whos the ISP? - they should have a router setup in the support page, but you may need your broadband username and password to login - you will certainly need that for the router configuration at a minimum

you didn't write the username and password on the router itself by chance ?
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#5
SkyhawkCaptain

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What config info do you need?

The ISP is Cox Cable and I wasn't home at the time the internet was installed so my girl didn't think to write down the password.
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#6
etaf

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Lets start again , i may have mislead you - sorry

you also have a cable modem somewhere connected to the router - is that correct ? make and model
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#7
SkyhawkCaptain

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No worries, I appreciate the help.

Cable Modem is a Motorola SURFboard Model#S85101U. (the 8 in the model number is either the number eight or the letter B, I had to take a quick picture as I went to work).
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#8
etaf

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can you connect a PC direct to the modem and then post back here an ipconfig /all -
you should be OK to reset the router, as the modem is making the connection , but just wanted to check by connecting a modem should work with a PC

BUT before you do that - try a complete powercycle and see if that solves the issue


------------------------------------------------------------------------

How to power cycle

“power cycle” process to reboot or reset the modem/router
  • Switch off all the devices modem, router and computers also unplug their power cables.
  • Wait at least 30 seconds.
  • Plug the power cords back in, but don’t switch them on.
  • First turn on the modem and then wait for a few minutes for it to settle and all the lights to become stable.
  • Next switch on the router (if a seperate device ) and then wait for a few minutes for it to settle and all the lights to become stable.
  • Now turn on your computer, You should now be able to access the Internet.
------------------------------------------------------------------------


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ipconfig /all
If you cannot access the internet with this PC, then you will need to paste the results into something like notepad and then copy onto a machine that can access the internet and post results here

We would like to see the results from ipconfig /all post back the results in a reply here

Hold the Windows key and press R, then type CMD then press Enter to open a command prompt box (A new dialogue box - black with white font, will appear on screen ):

In the command prompt window that opens, type the following command:

Note that there is a space before the /ALL, but there is NOT a space after the / in the following command.

ipconfig /all > network.txt & network.txt

It will export the results to notepad and then automatically open notepad.

Now all you need to do is copy and paste those results to a reply here
to do that:
From the notepad menu - choose Edit - Select all
all the text will be highlighted
Next
From the notepad menu - choose Edit - Copy
Now go back to the forum - reply and then right click in the reply box and paste
------------------------------------------------------------------------
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#9
SkyhawkCaptain

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Apologies for the delay, I have had to go into work today. I will attempt to bring my computer downstairs and hook it directly to the router to run the test. I have tried the powercycle (including resetting the router to defaults with the button on the back). Will reply as soon as possible.
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#10
SkyhawkCaptain

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Got it. It prompted me for the username and password of what I think was the router and I tried to enter what my girl told me but it said failed. I was still able to get on the internet thought.



Windows IP Configuration



Host Name . . . . . . . . . . . . : skyhawkcaptain

Primary Dns Suffix . . . . . . . :

Node Type . . . . . . . . . . . . : Unknown

IP Routing Enabled. . . . . . . . : No

WINS Proxy Enabled. . . . . . . . : No



Ethernet adapter Local Area Connection:



Connection-specific DNS Suffix . :

Description . . . . . . . . . . . : NVIDIA nForce 10/100/1000 Mbps Ethernet

Physical Address. . . . . . . . . : 00-1E-8C-BF-97-1B

Dhcp Enabled. . . . . . . . . . . : Yes

Autoconfiguration Enabled . . . . : Yes

IP Address. . . . . . . . . . . . : 192.168.1.5

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . : 192.168.1.1

DHCP Server . . . . . . . . . . . : 192.168.1.1

DNS Servers . . . . . . . . . . . : 192.168.1.1

Lease Obtained. . . . . . . . . . : Tuesday, March 29, 2011 10:54:37 AM

Lease Expires . . . . . . . . . . : Wednesday, March 30, 2011 10:54:37 AM
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#11
etaf

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so what did you connect to - Modem or Router ?
whats the make and model of the modem ?
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#12
SkyhawkCaptain

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I have connected it to the router first (Netgear N300 WNR2000) which is connected to my Cable Modem (Motorola SURFboard Model#S85101U) and ran that test. I still have the computer downstairs if you need me to connect it directly to the modem.
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#13
etaf

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so the main issue we are trying to fix -
The internet disconnects frequently - every 5 mins or so - what do you do to reconnect?

and one of the solutions was to update the firmware - but we cannot log into the router

Now you are connected by cable next to the router - does it still disconnect ?
when it disconnects what are the status of the lights on the modem and on the router

if it does still disconnect (and we have done the full power cycle and still no difference ) then yes connect directly to the modem and see if that still disconnects - if it does disconnect , then what's the status of the modem lights - also while connected to the modem do the following tests when it is working correctly and then repeat all the tests again


------------------------------------------------------------------------
ipconfig /all
If you cannot access the internet with this PC, then you will need to paste the results into something like notepad and then copy onto a machine that can access the internet and post results here

We would like to see the results from ipconfig /all post back the results in a reply here

Hold the Windows key and press R, then type CMD then press Enter to open a command prompt box (A new dialogue box - black with white font, will appear on screen ):

In the command prompt window that opens, type the following command:

Note that there is a space before the /ALL, but there is NOT a space after the / in the following command.

ipconfig /all > network.txt & network.txt

It will export the results to notepad and then automatically open notepad.

Now all you need to do is copy and paste those results to a reply here
to do that:
From the notepad menu - choose Edit - Select all
all the text will be highlighted
Next
From the notepad menu - choose Edit - Copy
Now go back to the forum - reply and then right click in the reply box and paste
------------------------------------------------------------------------

------------------------------------------------------------------------
Ping Tests
If you cannot access the internet with this PC, then you will need to paste the results into something like notepad and then copy onto a machine that can access the internet and post results here

Start> Run {search bar in Vista}> CMD to open a DOS window and type:

Type the following command
Ping {plus the number thats shown against the default gateway shown in above ipconfig /all}
Post back the results
rightclick in the box
select all
enter
control key + C key - to copy
then reply here and
control key + V to paste

Type the following command
Ping google.com
Post back the results
rightclick in the box
select all
enter
control key + C key - to copy
then reply here and
control key + V to paste

Type the following command
Ping 209.183.226.152
post back results
rightclick in the box
select all
enter
control key + C key - to copy
then reply here and
control key + V to paste
------------------------------------------------------------------------

Edited by etaf, 29 March 2011 - 10:17 AM.

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#14
SkyhawkCaptain

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Just an addon, connecting it directly to the router and everything seems to be working fine. I wonder if my problem lies between my wireless adapter and router?
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#15
etaf

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Just an addon, connecting it directly to the router and everything seems to be working fine. I wonder if my problem lies between my wireless adapter and router?

yes, it could be wireless interference

Its good to know its working perfectly when connected by cable - so while the PC is downstairs - try the wireless - in addition to all the above tests would you also post an xirrus screen shot now when working and then all the tests ipconfig /all - pings - xirrus when it disconnects



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Run Xirrus Wi-Fi Inspector Download and install
If you cannot access the internet with this PC, then you will need to copy the program across to the faulty PC

http://www.xirrus.co...y/wifitools.php
Direct link to the program is here http://www.xirrus.co...ad_redirect.php
Then run and install the program
if you get an error - You need NET Framework installed for the WiFi Inspector to function.

Run the program

post a screen shot of the program running - if there are a lot of networks showing can you click on "networks" top lefthand area - so we can see all the network information, and also post which network "Adapter Name" (1st column) is yours on the list

To post a screen shot of the active window, hold the Alt key and press the PrtScn key. Open the Windows PAINT application and Paste the screen shot. You can then use PAINT to trim to suit, and save it as a JPG format file.
To upload it to the forum, http://www.bleepingc...topic14738.html

Note:
For a reliable (or robust as the Xirrus user guide says) wireless connection you need a signal of about -70 dBm or better.
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