IPV6 prefix length (Electric Kiwi retail)

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optimumtact

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#312781 16-May-2024 17:51

Hi there, does anyone know what prefix length ISP's in nz (specifically electric kiwi) are handing out?

Their customer support was not very helpful and didn't seem to understand what i was asking.

Is it just a single /64?

mercutio

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#3232001 17-May-2024 23:47

I don't know about Electric Kiwi explicitally, but most give out /56s, which is under the recommended /48 size. A /64 is often used on one link, so you may have a /64 on wifi, and a /64 on your lan, and a /64 on your guest wifi etc. But a lot are also using dynamic allocations, so it's hard to make use of more than what is automatic anyway.

michaelmurfy

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#3232003 18-May-2024 00:38

It's just 2degrees behind the scenes so a /56 which you can carve off to multiple /64's.

Michael Murphy | https://murfy.nz
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optimumtact

20 posts

Geek

#3232599 20-May-2024 11:20

Thanks for the replies, I couldn't get pfsense to slice the range into the 64's for each subnet so I guess i'm doing something wrong with my configs rather than not getting the prefix range I expected, I'll keep looking along those lines then.

edit: turns out when you track the WAN interface from other interfaces, you have to "save" the wan config again for it to apply, resolved now.

michaelmurfy

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#3232600 20-May-2024 11:23

You need to have a static IP I believe. I am however not sure if this comes with a static /56 via EK.

optimumtact

20 posts

Geek

#3232601 20-May-2024 11:24

michaelmurfy:

You need to have a static IP I believe. I am however not sure if this comes with a static /56 via EK.

Yeah, it was just a config issue on my side, once I sorted it I got the prefixes delegated just fine.

Seems like it is a /56 like you said.