The stupidity of trying to "fix" DHCPv6

Owen DeLong owen at delong.com
Mon Jun 13 19:41:12 CDT 2011


On Jun 12, 2011, at 11:12 AM, Iljitsch van Beijnum wrote:

> On 12 jun 2011, at 15:45, Leo Bicknell wrote:
> 
>>> Like I said before, that would pollute the network with many multicasts which can seriously degrade wifi performance.
> 
>> Huh?  This is no worse than IPv4 where a host comes up and sends a
>> subnet-broadcast to get DHCP.
> 
> The IPv4 host does this once and gets its lease. If there is no DHCPv6 server then DHCPv6 clients would keep broadcasting forever. Not a good thing.
> 

Which is no worse than the behavior of an IPv4 host on a network without a DHCP server.

Owen





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