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Router behind Router (Second Network)


Router behind Router (Second Network)

Set-up a router behind the Motorola NVG589 for gaming.  Everything works great.  The second router has a gateway address of  I get to the config page of the Motorola NVG589 by typing and I get to the config page of the netgear router by typing


I have a laptop hardwired into the netgear router.  It received an ip address from the netgear router of (as expected).  My question is on the laptop I can type and configure the netgear router but the laptop also let me see the Motorola by typing  I would have thought because the laptop was on xxx.2.xxx I wouldn't be able to see any xxx.1.xxx devices.?


Why can I see


(as a side note I have a iMac hardwired into the Motorola and when I type I can't see the netgear config page...not being able to see it made sense to me) 

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Accepted by houston01
‎09-30-2015 1:39 AM

Re: Router behind Router (Second Network)

Hi houston01,


With you being able to see your other router, that just means the routing tables are setup correctly to send the data to the appropriate places. As long as your routing paths are setup correctly, then you should be able to access any part of your network. What is probably happening with your connection is that your router gets a packet with a destination IP of and realizes it's not on it's network, and shoots it out to the WAN side where the U-verse router picks it up and resolves it to the GUI page.


With your MAC, what is probably happening with it is that our U-verse router sees a packet with a destination of IP of and it realizes it's not on it's network, and is shooting it out the WAN port also, which ends up going no where.


Hope this helps.


-David T

If you encounter any issues with your service or equipment, I recommend checking out our Troubleshoot & Resolve solutions to help diagnose the issue.
*I am an AT&T employee, and the postings on this site are my own and don't necessarily represent AT&T's position, strategies or opinions.
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