The stupidity of trying to "fix" DHCPv6

Matthew Palmer mpalmer at
Mon Jun 13 01:03:26 UTC 2011

On Sun, Jun 12, 2011 at 08:12:02PM +0200, 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.

You're not working from comparable situations.  An IPv4 network without a
DHCP server will probably have lots of IPv4 hosts banging out broadcast
packets constantly as well.

- Matt

A committee is a cul-de-sac down which ideas are lured and then quietly        
		-- Sir Barnett Cocks (1907-1989) (QOTD 20 Feb 2003)

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