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greenpeace's avatar
greenpeace
Aspirant
Jul 22, 2019
Solved

Orbi router frequently lost internet connection in IP passthrough mode

I followed this post from AT&T forum to set up its modem (Arris BGW210) to do IP passthough to my Orbi router:

 

https://forums.att.com/t5/AT-T-Internet-Equipment/Strict-NAT-Bridge-Mode-What-is-IP-Passthrough-Can-I-enable-on-my/td-p/5296974

 

It appeared to work at first. But later I found that the router lost Internet connection a few times a day. Everytime it was able to recover the connection in a minute or two. But it was really annoying. At the same time, the AT&T gateway seems to be functioning well as other devices directly connected to it worked well.

 

The problem went away if I set the Orbi router in AP mode. But I really like to keep the router mode to use the Circle parental control. 

 

Any ideas?

 

Thanks.

18 Replies

  • Well, this is less "passthrough" than I would call "DMZ".  The Arris router and all of its telephone, television, and other functions remains intact.  The description of DHCP (particularly reducing the lease time to 2 minutes) is confusing.  This might explain why the Orbi "recovers within a couple of minutes" after losing internet.

     

    This is a great time for an Orbi customer who has AT&T to step in!!!

     

    p.s. What IP address does the Orbi show on the WAN (internet) side?

    i.e. a "public" IP address or a "private" IP address?

      • CrimpOn's avatar
        CrimpOn
        Guru

        Great.  On the web interface, the Advanced Tab, Advanced Home screen, what does it show when you click on "Connection Status"?

        For example, my Orbi (on Spectrum) shows:

         

        Lease Obtained 1 day,  0 hours, 0 minutes

        Lease Expires  0 day, 19 hours, 4 minutes