[AusNOG] another ipv6 Q

[David Beveridge]

On Thu, Jul 3, 2014 at 3:47 PM, Tony <td_miles at yahoo.com> wrote:

> On Thu, 03 Jul 2014 14:30:07 +1000, Jeroen Massar <jeroen at massar.ch>
> wrote:
>
>>
>> So what happens when said customer changes to another SP ? Do they then
> have to renumber everything ? The alternative could be the customer
> approaches the LIR and gains a /48 from the LIR, but wouldn't you then just
> have every company in the world with their own /48 which would just cause
> issues with aggregation and routing table size ?
>
> I know there is SLAAC & DHCPv6, so would it simply be the case of what
> would happen now if a customer needed to change the RFC1918 subnet they
> were using internally ? In the IPv4 world, this would mean changing DHCP
> scopes, then changing anything that is manually set ?
>
> I'm just curious as for anyone who isn't able to get their own globally
> unique space from a LIR then does the IPv6 world force them to renumber
> their entire network every time they change providers and have new IPv6
> addressing ? Right now changing providers means getting a new IPv4/29 for
> the outside of the firewall and perhaps changing a few NAT rules (and
> updating DNS), all of the internal IP's on devices get to stay the same
> (due to the NAT).
>
>
> There is a draft standard for autoconfiguration of homenet.
see
https://openwiki.uninett.no/_media/geantcampus:gn3ipv6ws_hki_jariarkko_20121004.pdf
http://tools.ietf.org/html/draft-ietf-ospf-ospfv3-autoconfig-06

dave
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