Question about IPAM tools for v6

Erik Kline ek at
Fri Jan 31 18:40:28 CET 2014

On 31 January 2014 04:21, Nick Hilliard <nick at> wrote:
> On 29/01/2014 22:19, Cricket Liu wrote:
>> Consensus around here is that we support DHCPv6 for non-/64 subnets
>> (particularly in the context of Prefix Delegation), but the immediate
>> next question is "Why would you need that?"
> /64 netmask opens up nd cache exhaustion as a DoS vector.

Not if you route a /64 to each host (the way 3GPP/LTE does for mobiles).  :-)

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