IPv6 Implementation and CPE Behavior

Owen DeLong owen at delong.com
Mon Jan 11 18:37:51 UTC 2016


> On Jan 11, 2016, at 10:23 , James R Cutler <james.cutler at consultant.com> wrote:
> 
>> On Jan 11, 2016, at 12:01 PM, Graham Johnston <johnstong at westmancom.com> wrote:
>> 
>> Are most CPE devices generally not IPv6 capable in the first place?  For those that are capable are they usually still configured with IPv6 disabled, requiring the customer to enable it?  For those CPE that are capable and enabled, is there a common configuration such as full blown DHCPv6 with PD?
> 
> I can’t speak regarding “most CPE devices” but for CPE = Apple Airport Extreme
> 
> 	• At least since the AirPort Extreme 802.11n (AirPort5,117) was released in 2011, the hardware has supported native IPv6 routing and acceptance of PD from the WAN.
> 
> 	• The default configuration for firmware 7.7.3 is automatic WAN IPv6 configuration, native IPv6 routing, and, acceptance of PD from the WAN. End systems on the single LAN receive a /64.

To be more clear… The LAN receives a /64 from which end systems are able to construct one or more end system addresses using SLAAC.

> 
> 	• No DHCPv6 is provided to the LAN through firmware up to the current version 7.7.3. 
> 

The good news is that RDNSS is allegedly supported in recent firmware releases.

Owen




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