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QBaaLLzz's avatar
Sep 16, 2021
Solved

Netgear Router not working with modem

I have had a Netgear R6700 v3 and have used it at my old resident but switched houses and modem. I had to buy my own modem (motorola MB7621) this time, and couldn't get my internet to go through the router.

 

Techs with the company set up the modem and said everything worked great, all the lights on the router were lit up, including the internet status one, it was white after plugging in ethernet from modem, but when I logged into the router via wifi, it said internet connection status was offline/red, and ethernet got the same results.

 

When I plug into modem directly via internet, my computer works fine with internet.


I hard reset the router, took it to a friends and updated firmware and tested it with his modem and it worked fine, wifi and ethernet.

 

Where do I go from here? modem is brand new so I can return it hopefully, waiting on their support, Router is over a year old and Netgear's support is about as much as a new router costs, ridiculous...

 

Link to Modem https://www.motorola.com/us/mb7621/p

 

 

  • I GOT IT TO WORK!

    Log into router via ethernet/routerlogin.net
    advanced->
    Advanced setup->
    IPv6->
    I then did all auto config settings all the way down the list. Internet connection type is now DHCP, IPV6 address is get automatically, and LAN setup is auto config. I looked into the manual on the router about ipv6 because my ISP was giving me ipv4 and ipv6 options. If you have my problem look in the routers manual about ipv6. It must have been confused with ipv6 and ipv4. Hopefully this works for some down the road thanks for the assistance here!

12 Replies

  • Swap LAN cables between modem and router. CAT6 is recommended.

    Power OFF both Modem and Router for 1 minute, then back ON with the modem then router. Factory reset the router and walk thru it's setup wizard. 

     

    • QBaaLLzz's avatar
      QBaaLLzz
      Tutor
      I highly doubt cat6 is recommended being both modem and router didnt come with it. I tried both cat 5e cords that came with router and modem. Also tried my 100ft cat6 i had laying around. Didnt work.
      • FURRYe38's avatar
        FURRYe38
        Guru

        Well if the router worked before you got this new modem and doesn't work now, kinda points to the modem or something on the new modem that the router is not liking or handling right. 

         

        Is the FW on the router up to date? 

         

        Another user sent his 6 series router back as it would work his modem. The 6 series line of routers is getting to be a bit old and may not be compatible with newer modems. MIght try something newer with this new modem and see if it works. If not, then you know its the modem. If ti does work, then may point to the 6 series router. 

         

  • I GOT IT TO WORK!

    Log into router via ethernet/routerlogin.net
    advanced->
    Advanced setup->
    IPv6->
    I then did all auto config settings all the way down the list. Internet connection type is now DHCP, IPV6 address is get automatically, and LAN setup is auto config. I looked into the manual on the router about ipv6 because my ISP was giving me ipv4 and ipv6 options. If you have my problem look in the routers manual about ipv6. It must have been confused with ipv6 and ipv4. Hopefully this works for some down the road thanks for the assistance here!
  • I spent an hour on not being able to log into the router. It was because in the windows network settings "network discovery" was turned off! I turned it on and connected immediately. Best to all.

    • michaelkenward's avatar
      michaelkenward
      Guru

      wjnelson76 wrote:

      I spent an hour on not being able to log into the router. It was because in the windows network settings "network discovery" was turned off! I turned it on and connected immediately. Best to all.


      Ah. That one. There are various way in which Windows frustrates network access.

       

      Well spotted and thanks for reporting back. It could help another victim later on.

       

      This can also be useful in some circumstances:

       

      Fix network connection issues in Windows 10