[arch-dev-public] Fwd: [systemd-devel] Assigning a second ip-address on interface (i.e. eth0 and eth0:1)

Tom Gundersen teg at jklm.no
Thu Apr 24 07:27:54 EDT 2014

Hi guys,

It was recently brought to my attention (see below) that we still ship
net-tools in Arch. Should we perhaps start working on dropping that? I
regularly run into users who use it without knowing that it is dead
and broken. Moving it to the AUR would hopefully send the right

I know that this will probably upset people's muscle-memory as most
people probably have been using these tools for decades. I guess
that's not an insurmountable problem for us though?



---------- Forwarded message ----------
From: Tom Gundersen <teg at jklm.no>
Date: Thu, Apr 24, 2014 at 1:22 PM
Subject: Re: [systemd-devel] Assigning a second ip-address on
interface (i.e. eth0 and eth0:1)
To: Mantas Mikulėnas <grawity at gmail.com>
Cc: Oliver <oliver at business-security.de>,
"systemd-devel at lists.freedesktop.org"
<systemd-devel at lists.freedesktop.org>

On Thu, Apr 24, 2014 at 12:30 PM, Mantas Mikulėnas <grawity at gmail.com> wrote:
> On Thu, Apr 24, 2014 at 1:06 PM, Umut Tezduyar Lindskog
> <umut at tezduyar.com> wrote:
>> Hi Oliver,
>> You can specify Address= more than once as it is explained in
>> http://www.freedesktop.org/software/systemd/man/systemd.network.html
>> (Address=).
> And just for the record, use `ip addr` to make sure it works, because
> chances are that `ifconfig` won't show it.
> Since kernel 2.2, there can be several IP addresses on the same eth0
> interface without having to use 'aliases', using `ip addr add` for
> example. networkd uses the new method as well. Unfortunately,
> `ifconfig` – even the last version that Arch has – only shows the
> first address to this day.

PSA: never, ever, use ifconfig or friends. It has been dead upstream
since sometime in the last millenium and is known to give you
misleading or just wrong information.

I thought we had dropped it from Arch to be honest... Maybe time to
look at that...



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