[141865] in North American Network Operators' Group
Re: The stupidity of trying to "fix" DHCPv6
daemon@ATHENA.MIT.EDU (Matthew Palmer)
Sun Jun 12 21:03:27 2011
Date: Mon, 13 Jun 2011 11:03:26 +1000
From: Matthew Palmer <mpalmer@hezmatt.org>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <1D63E941-92FA-408F-8F10-63A73077EF0E@muada.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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
strangled.
-- Sir Barnett Cocks (1907-1989) (QOTD 20 Feb 2003)
