DHCPv6 and MAC Address inclusion

Bjørn Mork bjorn at mork.no
Fri Jan 27 08:48:54 UTC 2012


perl-list <perl-list at network1.net> writes:

>> This doesn't match with what I'm hearing. I think it depends on your
>> circumstances. Where would you find a DSLAM that both supports IPv6
>> and doesn't have this feature? Or are DSLAMs strictly layer 2?
>
> Whether they are layer 3 or layer 2 doesn't really matter. The simple
> fact is that varying manufacturers implement useful features to
> varying degrees or not at all. Much like the MAC address in the DHCPv6
> packet, it cannot be counted upon that a particular DSLAM will have
> some certain functionality available that will make your life easier.

You cannot provide native IPv6 public access through a non-IPv6 aware
layer2 device.  Please try sending a few rogue RAs or ND scans for a
full /64 (or more...) and see for yourself.  That's not something you
would want to support.



Bjørn



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