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Double Nat AC1750

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Double Nat AC1750

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Double Nat AC1750
Double Nat AC1750
2022-01-09 21:10:00 - last edited 2022-01-09 23:18:16
Model: Archer C7  
Hardware Version: V5
Firmware Version: 1.1.4

everything but my pc cant seem to play online games. im getting a double nat error on the default operation mode, then if i switch to ap mode i get a upnp error. both modes have strict nat type as well.

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#1
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1 Accepted Solution
Re:Double Nat AC1750-Solution
2022-01-09 23:13:17 - last edited 2022-01-09 23:18:16

@burgerLover 

 

Well, that's where the issue comes from. Your ISP is using CG-NAT.

Your best bet is to contact them and ask if they can provide a piublic IP address for you.

Otherwise you don't have any other option to avoid the double NAT - setiing C7 in AP mode won't work in this case.

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Recommended Solution
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#6
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Re:Double Nat AC1750
2022-01-09 21:30:39 - last edited 2022-01-09 23:05:30

@burgerLover 

 

If you have an ISP modem/router before the C7 which does NATing, to avoid the double NAT you should set C7 in AP mode (Case 1).

When set in AP mode, C7 won't do the NATing.

If that doesn't work for you check if you can set your ISP modem/router in bridge mode and leave C7 in router mode - thus only your C7 will do the NATing.

Probably some ports need to be opened for the particular game as well - this should be done on the device that does the NATing.

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#2
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Re:Double Nat AC1750
2022-01-09 22:48:14
i plug my router in my wall socket, when i try to turn bridge mode on, the survey doesnt show my ssid, and upnp doesnt work with access point. ill try to enable bridge mode again.
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#3
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Re:Double Nat AC1750
2022-01-09 23:05:13

@burgerLover 

 

I assumed that you have an ISP modem/router in your network to which you connect your C7.

If you plug the C7 in your wall socket and you don't have any ISP device before your C7, I wonder where this double NAT comes from.

Who's your ISP ? Is your C7 WAN IP address public or private :

 

 

Private IP addresses are in these ranges:

10.0.0.0 – 10.255.255.255

172.16.0.0 – 172.31.255.255

192.168.0.0 – 192.168.255.255

100.64.0.0 – 100.127.255.255 (CG-NAT)

 

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#4
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Re:Double Nat AC1750
2022-01-09 23:08:37
the ip is 100.65 so i guess its private. the isp is called stellar bb
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#5
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Re:Double Nat AC1750-Solution
2022-01-09 23:13:17 - last edited 2022-01-09 23:18:16

@burgerLover 

 

Well, that's where the issue comes from. Your ISP is using CG-NAT.

Your best bet is to contact them and ask if they can provide a piublic IP address for you.

Otherwise you don't have any other option to avoid the double NAT - setiing C7 in AP mode won't work in this case.

If this was helpful click once on the arrow pointing upward. If this solves your issue, click once the star to mark it as a "Recommended Solution".
Recommended Solution
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#6
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Re:Double Nat AC1750
2022-01-09 23:17:07
ok thanks for the help, i wish that they would be more clear.
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#7
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