IPv6 Subscriber Access Deployments

Owen DeLong owen at delong.com
Wed Sep 9 17:15:21 UTC 2015


Sure, but this is a useless savings that comes at the cost of awkward traceroute output
that will initially confuse your new employees and consistently confuse your customers.

Owen

> On Sep 8, 2015, at 12:46 , Clinton Work <clinton at scripty.com> wrote:
> 
> If you use separate VLANs for each customer then the CPE router doesn't
> even require an external IPV6 address for DHCPv6-PD.  IPV6 link-local
> addresses can be used between your BRAS and customer CPE router.  Some
> CPEs can even allocate a WAN/mgmt IPV6 address out of the delegated
> subnet via DHCPv6-PD.   
> 
> On Tue, Sep 8, 2015, at 01:31 PM, Owen DeLong wrote:
>> Short answer to that is “DHCPv6-PD”
>> 
>> Once the router has an external address communicating point to point with
>> the ISP router, it should then send an DHCPv6-PD request asking for a
>> prefix that it can manage. The ISPs DHCP server should then send back a
>> /48 (or if you want to be silly, a /56 or a /60, and if you want to be
>> insane, a /64).




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