IPV6 over LAN to WAN cascade?

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IPV6 over LAN to WAN cascade?

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IPV6 over LAN to WAN cascade?
IPV6 over LAN to WAN cascade?
2022-02-01 19:30:04 - last edited 2022-02-01 19:34:28
Model: TL-WR840N  
Hardware Version: V4
Firmware Version: 0.9.1 3.16 v0001.0 Build 161011 Rel.60105n

My ISP is Satan. They gave me a custom made router (manufactured somewhere in China, I have no idea what brand it is, its a white box with my ISP logo on it) - it has only one lan output and I have almost 0 control on the router settings, only DHCP, port forwarding, thats it and I can't connect a regular router because the connection is fiber optic directly and it doesn't work with any other router only their own. I connected to it a TL-WR840N v4 router LAN to WAN. The internet works through IPV4 but I can't get it to work on IPV6.  My first router(192.168.1.1) is connecting to my ISP through PPPoE and my second router (192.168.2.1) connects to my first one with the Dynamic IP settings(IPV4). The only setting that gives me an address for IPV6 is Dynamic IPV6 with SLAAC. My PC gets all the addresses IPV4 and IPV6 but I only have internet access on the IPV4. Could someone please help me to figure out if its possible to fix this? Before the cascade I had IPV6 and I don't want to go back to my first router because its a spawn of hell and I hate it. Is it possible to make IPV6 work somehow? Maybe IPV6 static options? Any help is greatly appreciated

On the IPV6 status page this is shown:

 

WAN

Connection Type:Dynamic IPv6

Connection Status:Connected

IPv6 Address:2a02:2f01:f103:3200:d66e:eff:fe75:a7a3 /64

IPv6 Default Gateway:fe80::0000:0000:0000:1000

Primary IPv6 DNS:::ffff:d043:de7b

Secondary IPv6 DNS:::ffff:d043:dc7b

 

IPv6 LAN

IPv6 Address Type:RADVD

Prefix Length:64

IPv6 Address:N/A

 

 

 

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Re:IPV6 over LAN to WAN cascade?
2022-02-15 12:45:52

Hi @Asp1re 

Thanks for reaching out to us. 

The reason you got this issue is that IPv6 cannot be used under double NAT.

 

Here are two solutions to your problem:

 

Solution one: Set up TL-WR840N as access point.

How to configure the TP-Link wireless router as Access Point?

 

Solution two: Change your ISP custom made router to bridge mode, then set up PPPOE IPv4 and Dynamic IPV6 with SLAAC on TP-Link router. 

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