The stupidity of trying to "fix" DHCPv6

Iljitsch van Beijnum iljitsch at muada.com
Sun Jun 12 06:04:41 CDT 2011


On 12 jun 2011, at 12:35, Daniel Roesen wrote:

> Could you point to any RFC which implies or explicitly states that
> DHCPv6 MUST NOT be used in absence of RA with M and/or O=1?

But what's the alternative? Always run DHCPv6 even if there are no router advertisements or router advertisements with O=0, M=0?

Like I said before, that would pollute the network with many multicasts which can seriously degrade wifi performance.

And networks without RAs are very common. We call those networks "IPv4-only networks".

And in the current situation DHCPv6 without router advertisements is pointless because you may get an address, but you have no place to send your packets.



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