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Date:      Sat, 20 Jul 2013 18:14:12 +0200
From:      Michael Grimm <trashcan@odo.in-berlin.de>
To:        Hiroki Sato <hrs@FreeBSD.org>
Cc:        freebsd-stable@FreeBSD.org
Subject:   Re: ipv6_addrs_IF aliases in rc.conf(5)
Message-ID:  <5C2419E4-D5B7-4F1A-AED0-90EF7330503C@odo.in-berlin.de>
In-Reply-To: <20130720.234623.829852506076930312.hrs@allbsd.org>
References:  <20130712.160358.1330135778606339435.hrs@allbsd.org> <EB3C4472-02BF-4415-BB2D-B4929063D796@odo.in-berlin.de> <20130718.123323.1730389945845032580.hrs@allbsd.org> <20130720.234623.829852506076930312.hrs@allbsd.org>

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On 20.07.2013, at 16:46, Hiroki Sato <hrs@FreeBSD.org> wrote:
> Hiroki Sato <hrs@freebsd.org> wrote in =
<20130718.123323.1730389945845032580.hrs@allbsd.org>:

> hr> Michael Grimm <trashcan@odo.in-berlin.de> wrote
> hr>   in <EB3C4472-02BF-4415-BB2D-B4929063D796@odo.in-berlin.de>:
> hr>
> hr> tr> On 12.07.2013, at 09:03, Hiroki Sato <hrs@FreeBSD.org> wrote:
> hr> tr>
> hr> tr> > Please let me know if the existing configurations and/or the =
new
> hr> tr> > formats do not work.
> hr> tr>
> hr> tr> First of all: great work! It is that much easier to deal with =
aliases, now.
> hr> tr>
> hr> tr> There is only one minor issue, if at all:
> hr> tr>
> hr> tr> rc.conf:
> hr> tr> | ifconfig_em0_ipv6=3D"inet6 dead:beef:1111:2222::1 prefixlen =
56"
> hr> tr> | ifconfig_em0_aliases=3D"\
> hr> tr> |         inet6 dead:beef:1111:2222::2-3 prefixlen 56 \
> hr> tr> |         inet6 dead:beef:1111:2222::4 prefixlen 56 \
> hr> tr> |         inet6 dead:beef:1111:2222::5-6/56"
> hr> tr>
> hr> tr> ifconfig:
> hr> tr> |	inet6 dead:beef:1111:2222::1 prefixlen 56
> hr> tr> |	inet6 dead:beef:1111:2222::2 prefixlen 64
> hr> tr> |	inet6 dead:beef:1111:2222::3 prefixlen 64
> hr> tr> |	inet6 dead:beef:1111:2222::4 prefixlen 56
> hr> tr> |	inet6 dead:beef:1111:2222::5 prefixlen 56
> hr> tr> |	inet6 dead:beef:1111:2222::6 prefixlen 56
> hr> tr>
> hr> tr> Any combination of a range definition (2-3) *and* "prefixlen =
56"is ignored
> hr> tr> whereas a range definition (5-6) *and* "/56" is interpreted as =
wanted.
> hr> tr>
> hr> tr> Well, that combination of a range and "prefix" isn't =
documented, thus I am
> hr> tr> not sure if that's an issue or a feature?
> hr>
> hr>  It seems a bug.  Thank you for your report.  I am investigating =
it now.
>=20
> Can you test the attached patch?  The old version (in stable/9 now)
> does not support "address range spec + options" properly and ignore
> the options part.
>=20
> The attached patch accepts options and treats "netmask" for inet and
> "prefixlen" in inet6 in a reasonable way so that the specified
> options do not conflict with the default /NN values.

I can confirm that your patch is working for my examples used before.=20

Now, a range definition and "prefixlen 56" is recognized properly:

ifconfig:
|	inet6 dead:beef:1111:2222::2 prefixlen 56=20
|	inet6 dead:beef:1111:2222::3 prefixlen 56=20
|	inet6 dead:beef:1111:2222::4 prefixlen 56=20
|	inet6 dead:beef:1111:2222::5 prefixlen 56=20
|	inet6 dead:beef:1111:2222::6 prefixlen 56=20

Thanks and with kind regards,
Michael





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