Netvigator IPv6 prefix length?

I am getting a /56 via DHCPv6 PD, is it possible to request a larger prefix like a /48?

Why do you want to use a /48? There are 256 /64 prefixes already in one /56.

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回覆 2# evantkh


I have more than a flat home network. Giving out /56s to routers so they can further hand out prefixes. If I use /64s then it wouldn't be hierarchical any more.

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回覆  evantkh


I have more than a flat home network. Giving out /56s to routers so they can furthe ...
adfsasdfawfeewf 發表於 2015-12-10 16:10


You can try this in your router if there is an option specifying the prefix length you need but it may not work. However, it is possible to give /60 prefixed to downstream routers if you have a /56.

If you need to access local devices, link-local address will no longer work but I don't like DDNS from public providers even for local access, so I would prefer getting a /48 from HE which is static and assign static IPv6 to devices which need static IP address, maybe on the lo device to make sure outbound connection is using the ISP-provided IPv6 for performance. Unique-local IP address is also possible. However, my ISP is not providing IPv6 yet.

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