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Parkourpotato's avatar
Parkourpotato
Aspirant
Jul 13, 2016

Internet connection doesn't work for a few seconds then comes back

   Hello everyone, I'm not sure if this is a problem with my internet service provider or the actual modem, but I've been having this problem ever since I switched to this new modem. I had an old one...
Troubleshooting
DarrenM's avatar
DarrenM
Sr. NETGEAR Moderator
Jul 19, 2016

Hello parkourpotato

 

You will have to log into your modem after you notice the issue happen and look at the logs and post them here this may help narrow down the issue.

 

DarrenM

  • Athaxto's avatar
    Athaxto
    Aspirant
    Jul 19, 2016

    Hello DarrenM - I apologize for cutting in on this discussion, but would you please tell me where/how to access the logs? Do I access them through NETGEAR Genie? I'm having my own power/surge/connection issues and using the site's search tool isn't helping (log-in topics vs actual log access). Thank you for any assistance you can provide. 

    • DarrenM's avatar
      DarrenM
      Sr. NETGEAR Moderator
      Jul 19, 2016

      Hello athaxto 

       

      You would log into the modem by going to 192.168.0.1 log in with admin/password then go to advanced-Administration-Event Log this will be where the logs will be.

       

      DarrenM

      • Athaxto's avatar
        Athaxto
        Aspirant
        Jul 19, 2016

        Thank you!

  • Parkourpotato's avatar
    Parkourpotato
    Aspirant
    Jul 19, 2016

    Well like I said, it won't do it for an entire month but then start up again, so I'll get back to you with them in a month.

  • Parkourpotato's avatar
    Parkourpotato
    Aspirant
    Jul 21, 2016

    Ok update on the issue. Now instead of it occuring every few minutes it occurs every few seconds. Here are the logs:

    DescriptionCountLast OccurrenceTargetSource
    [TCP- or UDP-based Port Scan]4Sun Jul 17 08:04:00 201668.12.174.141:5624468.105.28.11:53
    [FAILURE: User interface login]1Sun Jul 17 08:08:00 2016192.168.0.1:80192.168.0.4:50462
    [TCP- or UDP-based Port Scan]3Sun Jul 17 10:07:41 201668.12.174.141:6189268.105.28.11:53
    [FAILURE: User interface login]1Sun Jul 17 10:11:23 2016192.168.0.1:80192.168.0.4:49839
    [TCP- or UDP-based Port Scan]91Mon Jul 18 01:31:20 201668.12.174.141:5915468.105.28.11:53
    [Time Of Day established]1Mon Jul 18 07:54:47 20160.0.0.0:00.0.0.0:0
    [Public Network Interface up]1Mon Jul 18 07:55:01 20160.0.0.0:00.0.0.0:0
    [Firewall Up]1Mon Jul 18 07:55:01 20160.0.0.0:00.0.0.0:0
    [Teardrop or derivative]16Mon Jul 18 07:55:14 2016239.255.255.250:65535192.168.0.10:65535
    [TCP- or UDP-based Port Scan]15Mon Jul 18 13:00:16 201668.12.174.141:5552868.105.29.11:53
    [FAILURE: User interface login]1Mon Jul 18 13:02:31 2016192.168.0.1:80192.168.0.5:63794
    [SUCCESS: User interface login]1Mon Jul 18 13:02:38 2016192.168.0.1:80192.168.0.5:63814
    [TCP- or UDP-based Port Scan]104Tue Jul 19 13:58:08 201668.12.174.141:5098668.105.28.11:53
    [FAILURE: User interface login]1Tue Jul 19 14:01:24 2016192.168.0.1:80192.168.0.5:53258
    [SUCCESS: User interface login]1Tue Jul 19 14:01:31 2016192.168.0.1:80192.168.0.5:53265
    [TCP- or UDP-based Port Scan]18Tue Jul 19 17:55:14 201668.12.174.141:4394368.105.28.11:53
    [FAILURE: User interface login]1Tue Jul 19 17:56:46 2016192.168.0.1:80192.168.0.4:54581
    [TCP- or UDP-based Port Scan]68Wed Jul 20 15:00:21 201668.12.174.141:5962868.105.28.11:53
    [FAILURE: User interface login]1Wed Jul 20 15:16:51 2016192.168.0.1:80192.168.0.4:49790
    [TCP- or UDP-based Port Scan]70Thu Jul 21 12:37:35 201668.12.174.141:6105668.105.28.11:53
    [Time Of Day established]1Thu Jul 21 13:50:55 20160.0.0.0:00.0.0.0:0
    [Public Network Interface up]1Thu Jul 21 13:51:10 20160.0.0.0:00.0.0.0:0
    [Firewall Up]1Thu Jul 21 13:51:10 20160.0.0.0:00.0.0.0:0
    [Teardrop or derivative]2Thu Jul 21 13:51:24 2016239.255.255.250:65535192.168.0.10:65535
    [TCP- or UDP-based Port Scan]1Thu Jul 21 13:51:24 201668.12.174.141:5457268.105.28.11:53
    [Teardrop or derivative]14Thu Jul 21 13:51:27 2016239.255.255.250:65535192.168.0.10:65535
    [FAILURE: User interface login]1Thu Jul 21 13:56:41 2016192.168.0.1:80192.168.0.4:49846
    [TCP- or UDP-based Port Scan]1Thu Jul 21 13:59:05 201668.12.174.141:6297568.105.28.11:53
    [FAILURE: User interface login]2Thu Jul 21 14:01:23 2016192.168.0.1:80192.168.0.5:55224
    [SUCCESS: User interface login]1Thu Jul 21 14:01:29 2016192.168.0.1:80192.168.0.5:55226
    • DarrenM's avatar
      DarrenM
      Sr. NETGEAR Moderator
      Jul 26, 2016

      Hello Parkourpotato

       

      You could try to factory reset the modem but you will have to set it up again with all your settings it could be some bad setting causing the issues.

       

      DarrenM

    • James_G's avatar
      James_G
      Aspirant
      Jul 27, 2016

      You are getting port scans from another user on the Cox network (TCP- or UDP-based Port Scan and Teardrop or derivative). These could be causing your speed to drop. Here is a similar post on the Netgear community having the same connect problems and more:

       

      https://community.netgear.com/t5/Cable-Modems-Routers/DoS-attack-Teardrop-or-derivative-Ping-of-Death-strange-non-DHCP/td-p/1067681

       

      It also appears someone else is trying to log into your modem (FAILURE: User interface login) and failing. Unless you tried and failed, another one of your devices may be trying to access it. Could be another household user, an outside hacker or a virus on one of your devices.