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Forum Discussion
RBR40 has no ipv6 connection
Hello, when i connect directly to my ISP's router I get an ipv6 connection, however when I'm connected to the Orbi wifi ipv6 doens't work. All the suggestions I found online and here on the forum...
Tell us more about your ISP.
Many ISP only provide an IPv6 /64 prefix sufficient to drive the ISP router's own LAN, this can not be splitted any further, the ISP does not delegate additional prefixes to you.
If you get an IPv6 range assigned from the ISP, like xxxx:xxxx:xxxx:xxxx:0:0:0:1 to xxxx:xxxx:xxxx:xxxx:ffff:ffff:ffff:ffff - that is a /64 prefix then it's not possible to have another LAN behind your router ... even if the theoretical amount of addresses and networks is huge.
For further subnetting, the ISP must provide at least a /56 or a /48 prefix. Home and SOHO accounts typically get /64 only.
Look here for relative network sizes -> https://www.ripe.net/about-us/press-centre/understanding-ip-addressing