It appears that Cisco does not support stateful DHCPv6 unless it's for prefix delegation

[Mikael Abrahamsson]

On Wed, 3 Nov 2010, Frank Bulk wrote:

> Sorry, I should have been more specific.  I have a Cisco 7206VXR, but I
> believe none of their router products support stateful DHCPv6

12.4(24)T2 can hand out addresses via DHCPv6.

"show ipv6 dhcp binding" shows an address handed out by my router 
anyway...

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se