netdev - Does ip does support labels for IPv6 addresses?

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Message-ID: <4CC95370.1010201@meinberg.de>
Date:	Thu, 28 Oct 2010 12:41:52 +0200
From:	Heiko Gerstung <heiko.gerstung@...nberg.de>
To:	netdev@...r.kernel.org
Subject: Does ip does support labels for IPv6 addresses?

Hi !

Not sure if this is where I should ask, please feel free to send me to
someone else.

I just tried to use "ip" (from the iproute2 project) to assign multiple
IPv6 addresses to a physical network interface. In order to be able to
distinguish between them, I wanted to use the "label" feature as
described on the ip man page, but it seems that this is not supported
for IPv6 addresses.

Does anybody know if this is a (documentation-)bug, a feature or a
misconfiguration of ~/brain ?

Example:

# ip addr add dev eth0 2001::23/64 label eth0:0

at least adds the address correctly. But when I want to check with
# ip addr show
the label is not listed anywhere and using
# ip addr show label "eth0:0" does not work either (does not come up
with any output at all).

The description of the "label" option on the man page does not mention
that this is not supported on IPv6.

Best Regards,
 Heiko

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Heiko Gerstung

*MEINBERG Funkuhren* GmbH & Co. KG
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Web: www.meinberg.de <http://www.meinberg.de>

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