Mailing List Archive: NANOG: users

IPv6 Allocations

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Victor.Esposito at deltacom

Oct 19, 2009, 1:01 PM

Post #1 of 6 (387 views)
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IPv6 Allocations

Since there is a lot of conversation about IPv6 flying about, does
anyone have a document or link to a good high level allocation structure
for v6?

It seems there are 100 different ways to sub allocate the /32, and I am
trying to find a simple but scalable method... .

Thanks!

Victor Esposito

simon.perreault at viagenie

Oct 19, 2009, 1:23 PM

Post #2 of 6 (355 views)
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Re: IPv6 Allocations [In reply to]

Esposito, Victor wrote, on 2009-10-19 16:01:
> Since there is a lot of conversation about IPv6 flying about, does
> anyone have a document or link to a good high level allocation structure
> for v6?

See RFC 3531 and here:

http://www.ipv6book.ca/allocation.html

Simon
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nanog at daork

Oct 19, 2009, 1:25 PM

Post #3 of 6 (358 views)
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Re: IPv6 Allocations [In reply to]

On 20/10/2009, at 9:01 AM, Esposito, Victor wrote:

> Since there is a lot of conversation about IPv6 flying about, does
> anyone have a document or link to a good high level allocation
> structure
> for v6?
>
> It seems there are 100 different ways to sub allocate the /32, and I
> am
> trying to find a simple but scalable method... .

This discussion has been done a bunch of times.

Here is my scheme, which has been adopted (sometimes with small
modifications) by quite a few providers I have spoken with.
http://mailman.nanog.org/pipermail/nanog/2009-August/012681.html

Read the whole thread because there was a bit of confusion.

--
Nathan Ward

mpetach at netflight

Oct 19, 2009, 6:22 PM

Post #4 of 6 (356 views)
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Re: IPv6 Allocations [In reply to]

On Mon, Oct 19, 2009 at 1:23 PM, Simon Perreault <
simon.perreault [at] viagenie> wrote:

> Esposito, Victor wrote, on 2009-10-19 16:01:
> > Since there is a lot of conversation about IPv6 flying about, does
> > anyone have a document or link to a good high level allocation structure
> > for v6?
>
> See RFC 3531 and here:
>
> http://www.ipv6book.ca/allocation.html
>

> Simon
>

I'm sure I'm just dumb, but no matter what numbers I put into that
tool, it only spits out a series of /32s on the HTML output. That
doesn't seem terribly useful, as most of us aren't going to be allocating
multiple /32s, we'll be splitting up a single /32 into smaller bits.

Matt

cordmacleod at gmail

Oct 19, 2009, 6:27 PM

Post #5 of 6 (347 views)
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Re: IPv6 Allocations [In reply to]

The tool is aware of the prefix length you insert. So instead of /32,
put /64 or /48 etc.

On Oct 19, 2009, at 6:22 PM, Matthew Petach wrote:

> On Mon, Oct 19, 2009 at 1:23 PM, Simon Perreault <
> simon.perreault [at] viagenie> wrote:
>
>> Esposito, Victor wrote, on 2009-10-19 16:01:
>>> Since there is a lot of conversation about IPv6 flying about, does
>>> anyone have a document or link to a good high level allocation
>>> structure
>>> for v6?
>>
>> See RFC 3531 and here:
>>
>> http://www.ipv6book.ca/allocation.html
>>
>
>> Simon
>>
>
> I'm sure I'm just dumb, but no matter what numbers I put into that
> tool, it only spits out a series of /32s on the HTML output. That
> doesn't seem terribly useful, as most of us aren't going to be
> allocating
> multiple /32s, we'll be splitting up a single /32 into smaller bits.
>
> Matt

mpetach at netflight

Oct 19, 2009, 7:18 PM

Post #6 of 6 (358 views)
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Re: IPv6 Allocations [In reply to]

On Mon, Oct 19, 2009 at 6:27 PM, Cord MacLeod <cordmacleod [at] gmail> wrote:

> The tool is aware of the prefix length you insert. So instead of /32, put
> /64 or /48 etc.

Ah!
So, the instructions are wrong; instead of saying
"1. Enter the start prefix (i.e. 2001:db8::/32)."
it should say
"1. Enter the start prefix (i.e. 2001:db8::/40)."
since the example is talking about allocating /40's for downstreams.

Thanks--now it works a bit more coherently. :)

Matt

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