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Date: Fri, 18 Mar 2011 19:29:50 +0300
From: Sergey Matveychuk <sem@FreeBSD.org>
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To: Christian Kratzer <ck@cksoft.de>
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Cc: Christian Kratzer <ck-lists@cksoft.de>,
	"Eugene M. Zheganin" <eugene@zhegan.in>, freebsd-net@freebsd.org
Subject: Re: ipv6, stateful config and non-default prefixlen
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18.03.2011 18:27, Christian Kratzer wrote:
> Hi,
>
> On Fri, 18 Mar 2011, Eugene M. Zheganin wrote:
>
>> Hi.
>>
>> I'm trying to get a working freebsd workstation with an ipv6 network
>> where addresses are received from DHCP.
>> ATM my IPv6 setup copies the IPv4 layout with vlans and /24 masks, so
>> I'm using /120 prefixes.
>> Is that even possible ?
>> As the Handbook lacks any information about such setup, I decided to
>> ask for help here.
>
> why not just use /64 prefixes ? You have 16 bits in your /48 to each
> ipv4 /24 network to an ipv6 /64 network.
>
> Don't fight the system.
>

As for me, I've got /64 network and I must split it for tunneling, etc. 
So I have more wide prefixlen for my home network. I spend a lot of time 
to get auto configuration work, but gave up and set static config on all 
my home computers. The system is really strong :)

-- 
Sem.