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Subject: Re: ipv6_addrs_IF aliases in rc.conf(5)
From: Michael Grimm <trashcan@odo.in-berlin.de>
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Date: Wed, 17 Jul 2013 20:33:54 +0200
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On 12.07.2013, at 09:03, Hiroki Sato <hrs@FreeBSD.org> wrote:

> Please let me know if the existing configurations and/or the new
> formats do not work.

First of all: great work! It is that much easier to deal with aliases, now.

There is only one minor issue, if at all:

rc.conf:
| ifconfig_em0_ipv6="inet6 dead:beef:1111:2222::1 prefixlen 56"
| ifconfig_em0_aliases="\
|         inet6 dead:beef:1111:2222::2-3 prefixlen 56 \
|         inet6 dead:beef:1111:2222::4 prefixlen 56 \
|         inet6 dead:beef:1111:2222::5-6/56"

ifconfig:
|	inet6 dead:beef:1111:2222::1 prefixlen 56 
|	inet6 dead:beef:1111:2222::2 prefixlen 64 
|	inet6 dead:beef:1111:2222::3 prefixlen 64 
|	inet6 dead:beef:1111:2222::4 prefixlen 56 
|	inet6 dead:beef:1111:2222::5 prefixlen 56 
|	inet6 dead:beef:1111:2222::6 prefixlen 56 

Any combination of a range definition (2-3) *and* "prefixlen 56" is ignored
whereas a range definition (5-6) *and* "/56" is interpreted as wanted.

Well, that combination of a range and "prefix" isn't documented, thus I am
not sure if that's an issue or a feature?

With kind regards,
Michael