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Resolved Is there a way to monitor internet connection in I.E. 9?

Discussion in 'Internet Explorer & Microsoft Edge' started by Alicia J, 2011/04/27.

  1. 2011/04/27
    Alicia J Lifetime Subscription

    Alicia J Geek Member Thread Starter

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    I might be having problems with my modem or cable connections/signal. The connection was gone for 2 hrs yesterday and according to the cable company, for several 30 sec events today.

    Is there a way to monitor whether internet connection is being dropped without sitting in front of the computer and staring at the modem?
     
  2. 2011/04/28
    TonyT

    TonyT SuperGeek Staff

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    http://192.168.100.1 should show you your cable modem Web interface.
    You can also login to your router and see the connection status.
     

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  4. 2011/04/28
    Alicia J Lifetime Subscription

    Alicia J Geek Member Thread Starter

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    Tony that link takes me to a 'Internet Explorer cannot display the webpage'.
     
  5. 2011/04/28
    virginia Lifetime Subscription

    virginia Geek Member

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    Thought I would chime in here to let you know that when I tried the link, it displayed the configuration of my modem. Part of the display was a log that gave a detailed list of events that had been occurring with my modem. I can't explain what happened in your case but I'm sure TonyT will be by in a bit to clear it up.
     
  6. 2011/04/28
    Alicia J Lifetime Subscription

    Alicia J Geek Member Thread Starter

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    Thanks Virginia. I'll see what Tony says about it.
     
  7. 2011/04/29
    Arie

    Arie Administrator Administrator Staff

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    From a command prompt run this command: cmd /c ipconfig /all>%temp%\$.$&notepad %temp%\$.$

    Find the listing for Default Gateway. Plug the number you see there in your browser.
     
    Arie,
    #6
  8. 2011/04/29
    TonyT

    TonyT SuperGeek Staff

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    You'll have to view the status page in your router control panel. Follow the instructions in Arie's post above. This will open a Notepad file with connection info. The Gateway IP address will be the local address of your router.

    You'll probably get a login prompt. If cannot login, post the brand and exact model number/version number of your router.
     
  9. 2011/04/29
    Alicia J Lifetime Subscription

    Alicia J Geek Member Thread Starter

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    Okay I see where you're going with this. If I put 192.168.01 in the browser window I get the D-Link window come up. I think that's what you're referring to. (I had that number written down, so I didn't have to use Arie's cmd).

    Does this show what the cable modem is doing? I'm pretty sure my router is working and the problem is my cable modem.
     
  10. 2011/04/29
    TonyT

    TonyT SuperGeek Staff

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    Login to the Dlink control panel using that IP address. There will be a status section somewhere in there which will show the status of the connection to the modem.

    What brand and model number cable modem? (exact names and version number please)
     
  11. 2011/04/30
    Alicia J Lifetime Subscription

    Alicia J Geek Member Thread Starter

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    It's a Motorola Model # SB5102 that I've had since 2008
     
  12. 2011/04/30
    TonyT

    TonyT SuperGeek Staff

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    The default LAN IP address of that modem is 192.168.100.1. If you cannot access it then:

    1. your router is misconfigured or
    2. your ISP locked the modem with their proprietary firmware.

    Cable ISPs must "provision" a cable modem for use on their network. They do so by flashing the modem's firmware with their own firmware.

    I have a Webstar cable modem and my ISP (COX) provisioned the modem. I can access the modem using its IP address (same as above) but all I can get to is the main page that displays the System Info There are 3 other pages on the modem that are locked (Signal, Status & Log).

    Note, to access a cable modem using its IP address the modem must be ON and have stable signals. Without stable signals the modem is inaccessable.
     
  13. 2011/04/30
    Alicia J Lifetime Subscription

    Alicia J Geek Member Thread Starter

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    Since I last posted, my modem's send and on line lights were off. Needless to say I couldn't get on the internet.

    I called the cable company and they said over the last few days my connection has been 'flapping'. The connection has been dropping for anywhere from 30 seconds to 2 minutes. Except for once yesterday for 2 hrs and then again today.

    A reset by the tech did nothing. He then had me unscrew the cable out of the modem, and touch the the metal piece in the cable end (name?)to get rid of the static. After reconnecting I was back on line.

    The tech is coming out to check the cable box outside etc. next week. Is there anything I should be monitoring in the meantime? Does the 'flapping' show up in the router logs?
     
  14. 2011/05/01
    TonyT

    TonyT SuperGeek Staff

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    The router logs won't show the "flapping ".

    It sounds like you are getting uneven signals from the ISP. This can be caused by:

    1. failing coax connectors, inside and outside
    2. bad coax cable
    3. bad splitter(s)
    4. cable company line amp(s)

    BTW, there's no static electricity in the line. There is always some voltage, very minimal. If there's excess voltage in the line it could cause "standing waves" which interfere with the signal, and this is a cable company problem.
     
  15. 2011/05/01
    Alicia J Lifetime Subscription

    Alicia J Geek Member Thread Starter

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    It happened again and I unscrewed the cable out of the modem and then put it back in and it worked. Do you think that means it's the cable itself?
     
    Last edited: 2011/05/01
  16. 2011/05/02
    TonyT

    TonyT SuperGeek Staff

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    There's a problem with the signal coming from the box outside the house or from further upline on the ISP cable system. Or the modem itself is failing.

    The ISP tech should do this sequence:

    1. check the signal to the house using a signal meter; check signal levels at splits/ends of line in house (between outside box and modem), correct by changing coax ends and wires if necessary.

    2. recheck signal levels; if still bad, correct by fixing connectors/wires/amps on poles or underground.

    3. if signals OK, swap modem with a known good one.

    I would wager that either the modem is failing or water has penetrated at some point via a bad connector or line amp/splitter box on pole.

    The fact that disconnecting & reconnecting the coax works to get up and running means that there's voltage leaking into the coax line. When the tech had you ground the cable to "discharge the static" you were not actually discharging static electricity, you were discharging actual DC voltage. Thre's always DC voltage in the line so the cable company can have 2 way communication with the modem or TV box.

    Also, cable systems use AC voltage on their main lines because DC voltage won't power the long cable runs. They use inline amplifiers which convert AC voltage to DC voltage to the neighborhood. The DC voltage is mili volts.

    Chances are one of their amps is leaking voltage into the line, or one of the nearby splitters on the pole is leaking voltage into the line. And if you have cable TV you likely will see random checkered boxes appear on the screen when viewing certain channels that overlap the frequency used for the channel that delivers Internet.

    Also, this excess voltage can cause the modem to fail over time because the modem has no means of detecting and filtering the voltage. It will get damaged eventually.

    The technology exists for cable providers to detect and filter out these voltage leaks but they don't use it because it would "cost them too much" to implement.
     
  17. 2011/05/02
    Alicia J Lifetime Subscription

    Alicia J Geek Member Thread Starter

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    TonyT thank you for the great information. I'm going to print it. From what you're saying I definitely need a service call. The cable company is coming over on Wednesday so I'll let you know what he says.
     
  18. 2011/05/09
    Alicia J Lifetime Subscription

    Alicia J Geek Member Thread Starter

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    The cable company cancelled the appt so I will close this thread. I will let you know if I need further help to resolve this issue. Thanks again for the info. The cable guy said it's most likely a connection issue because of the cables outside or in the house, when I talked to him on the phone.
     
    Last edited: 2011/05/09

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