Date: Fri, 29 Apr 2005 18:32:48 +1000 (EST) From: Neo-Vortex <root@Neo-Vortex.net> To: JINMEI Tatuya / =?ISO-2022-JP?B?GyRCP0BMQEMjOkgbKEI=?= <jinmei@wide.ad.jp> Cc: freebsd-net@freebsd.org Subject: Re: ipv6 host part Message-ID: <20050429183116.S68101@Neo-Vortex.net> In-Reply-To: <y7vd5seqbuu.wl@ocean.jinmei.org> References: <4270C6E7.4010701@he.iki.fi> <y7v7jimqmyk.wl@ocean.jinmei.org> <4271AC95.3080309@he.iki.fi> <y7v3btaql0l.wl@ocean.jinmei.org> <20050429170308.Y54816@Neo-Vortex.net> <y7vd5seqbuu.wl@ocean.jinmei.org>
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On Fri, 29 Apr 2005, JINMEI Tatuya / [ISO-2022-JP] =BF=C0=CC=C0=C3=A3=BA=C8=
wrote:
> >>>>> On Fri, 29 Apr 2005 17:04:22 +1000 (EST),
> >>>>> Neo-Vortex <root@Neo-Vortex.net> said:
>
> >> - assuming the prefix is "P/64", do the followings:
> >> # ifconfig IFNAME inet6 P::1 prefixlen 64 alias autoconf
> >> # ifconfig IFNAME inet6 P::2 prefixlen 64 alias autoconf
> >> # ifconfig IFNAME inet6 P::3 prefixlen 64 alias autoconf
>
> > IIRC, the first address within the prefix should have a prefixlen of 64=
,
> > (providing the prefixlen is actually 64) but others on the same prefix
> > should have 128.
>
> I don't remember any such restriction. What is your source (e.g.,
> RFC) of this information?
alias Establish an additional network address for this interface. T=
his
is sometimes useful when changing network numbers, and one wis=
hes
to accept packets addressed to the old interface. If the addr=
ess
is on the same subnet as the first network address for this
interface, a non-conflicting netmask must be given. Usually
0xffffffff is most appropriate.
That is for IPv4 taken from ifconfig(8), one would assume for IPv6 it is
the same and i use it like that without issues (although i have not tried
it the other way)
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