AT&T Uverse Setup question

Recently got the 3 Eero pro pack plus an added Eero beacon. I have ATT uverse with an Arris NVG589. It has 4 ports on the back. I have connected one of those ports to one of the eero pros. I connected that eero pro to a gigabit switch and connected the other 2 eero pros to that gigabit switch (house is wired with Cat 5e), so all the Eeros are on one NAT (should I use the term Subnet here instead of NAT?)  I also use the HPNA connection from the Arris modem to connect my one Uverse TV Box. I don’t really use that box, but I use it to hard-wire my Xbox. I also had my Desktop PC connected through one of the ports on the back of the Arris modem. The Arris modem WiFi has been turned off. 

Question: during the first few hours of setting up the eero, I unsuccessfully tried to setup bridge mode. The eero system froze when I changed it over to bridge so I reset the entire system back to automatic. That “scared” me away from trying that again, so now I have a double-Nat system. If I try to setup bridge mode again, what would that do to the HPNA connection and connections to the other Arris modem ports? Will those continue to work? Is there an easier way other than bridge mode to get all the devices connected to the same NAT. Right now I have some devices with 192.168.1 and others with 192.168.4 (eero). I can try to connect all the other connections through that gigabit switch, but I still have the HPNA connection. Everything is working now, but I really don’t want the double NAT thing to mess things up in the future (like wireless printing, monitoring connections, etc). I am fairly brave when trying things, but am always a bit cautious when messing with home internet as it really disrupts the entire family if I screw things up!


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  • Two questions about this:

    1. Do you have your eero connected to your fiber gateway, then have the eero connected to your switch? If you have the fiber gateway and the eero connected to the switch that then goes off to your other eero node, this is a problem. The erro gateway node always has to be before any switch, e.g. fiber gateway -> eero gateway node -> network switch. If you don't do this, you'll have problems.

    2. Is your network switch an "unmanaged" (dumb) switch? If the switch is doing more than just switching packets, again, you'll have problems. If your switch has other features, you could try turning them off, don't know if all managed switch features can be turned off. Otherwise, unmanaged switches are quite cheap. The TP-Link and Netgear ones that I have both cost less than $20.

    Good luck with this, hopefully you've already gotten your problems solved. This is in case you're still in double-NAT mode. Don't know about the HPNA thing, I have MoCA here, which works just fine with the fiber gateway, eero, switches, and all.

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