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New Member

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6 Messages

Thursday, April 29th, 2021 3:40 AM

BGW320-505 Double NAT Asus XT8 Strict NAT vs Open NAT & Double NAT on XBOX

OK - I have the BGW320-505 and was using Orbi mesh system. Recently upgraded to ASUS XT8...I'm a noob when it comes to this stuff

-BGW has antennas turned off

-Xbox keeps getting double NAT when connected to XT8

-troubleshooting with Xbox tech support lead us to connect Xbox via cable directly to modem which gave strict NAT setting

-then connected to the hot spot on my iPhone bypassing ATT all together and didn't get double NAT

-Xbox tech support says ATT needs to set NAT to OPEN

-spent 1 hour with Advanced ATT tech support (not sure about that) and they say that the antennas need to be on to have the NAT OPEN. If true, that defeats whole purpose of mesh system and I'll never get rid of double NAT.

Any advice on how to correct this is greatly appreciated.

Accepted Solution

Official Solution

ACE - Expert

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35K Messages

3 years ago

  1. Go to the BGW 320 Gateway's internal pages at http://192.168.1.254/
  2. Click on the Firewall tab
  3. Click on the IP Passthrough sub tab
  4. Enter the password from the sticker on the side of the Gateway, press Continue
  5. You should see Allocation Mode set to passthrough
  6. You should see Passthrough Mode set to DHCP-Fixed
  7. Click on the dropdown beside Passthrough Fixed MAC address that says "Choose from list", and select your new ASUS router from the drop down (you may need help recognizing it... look at its MAC address and match it up).
  8. Click Save

Reboot the Gateway... just to be sure.  Wait a few minutes.  Then Reboot the ASUS Router.

ACE - Expert

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35K Messages

3 years ago

AT&T, per se, doesn't have to do anything to change your NAT type.  You have to make changes in the Gateway or your network equipment to make that happen.

  1. Did you have the BGW320 set up to put the Orbi in IP Passthrough mode?
  2. Did you change that setting to the ASUS XT8?
  3. Did you have UPnP enabled in the Orbi?
  4. Do you have UPnP enabled in the ASUS XT8 (not that this will matter until you resolve #2 above)?
  5. If you didn't have UPnP enabled in the Orbi, did you have a list of port forwards in the Orbi?  Did you transfer those to the ASUS XT8?

New Member

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6 Messages

3 years ago

JefferMC - thx for the response. I will check those things. Don't recall the settings in the Orbi, but will get with Asus TS and see if we can check those points you mentioned. Agai, thx!

ACE - Expert

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35K Messages

3 years ago

The IP Passthrough set up will be in the BGW 320.  Proper setup would have been to configure the BGW 320 to handle the Orbi in Passthrough mode.  This would have been done by the Orbi's MAC address.  The ASUS will have a different MAC address, so the BGW 320 IP Passthrough setup has to be changed from the Orbi to the ASUS.

Until this is done, the ASUS has limited capabilities.  Once this is done, then the ASUS can do Port Forwarding, UPnP, etc.

Community Support

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231.3K Messages

3 years ago

We're here to help with your Orbi system, @JudoStud.

 

 

Thank you @JefferMC for the great information. 

 

 

Here is more information on how to Connect Orbi Wi-Fi to an AT&T Modem and how to configure IP passthrough. This will show you how to use the Orbi as your primary internet source. 

 

 

Let us know if this helps. 

 

 

Elmi, AT&T Community Specialist. 

New Member

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6 Messages

3 years ago

JefferMC - can you walk me through the steps I need to take in the 320 GUI to do those things, please?

New Member

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6 Messages

3 years ago

ATTHelp - no longer using the Orbi, but using the ASUS XT8. Do you have specific instructions for that?

Thx

New Member

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6 Messages

3 years ago

ATTHelp - also using BGW320-505 modem and hoping you have specific instructions for that model to connect to an ASUS XT8.

Thank you, again

Community Support

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231.3K Messages

3 years ago

Thank you for the updated information, @JudoStud.

 

 

You will have to configure IP passthrough and DMZ plus. This configuration is often suitable for connecting third party equipment for networking, such as a router, to the AT&T provided gateway

 

 

Let us know if this helps or if you have already done this.

 

 

Elmi, AT&T Community Specialist. 

New Member

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6 Messages

3 years ago

JefferMC - you the man!!! The wrong MAC address was in that setting. I selected the correct one and all is working correctly!!!

ATTHelp - I wasted many hours with "Advanced" support on this issue and NONE of them suggested this simple fix. If your people would have just given me simple directions like JefferMC did, I would not be a ticked off ATT customer. We are not all experts in Networking/Connectivity and sending articles or the link you provided would still not have solved my problem. I hope you see the above as an example of what REAL customer service is supposed to look like.

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