netdev - Re: how to disable automatic route addition for an ipv6 address

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Message-ID: <alpine.DEB.2.00.1211060755510.13802@uplift.swm.pp.se>
Date:	Tue, 6 Nov 2012 08:01:34 +0100 (CET)
From:	Mikael Abrahamsson <swmike@....pp.se>
To:	"devendra.aaru" <devendra.aaru@...il.com>
cc:	netdev@...r.kernel.org
Subject: Re: how to disable automatic route addition for an ipv6 address

On Mon, 5 Nov 2012, devendra.aaru wrote:

> while adding the ipv6 address to interface ,
>
> ifconfig eth0 add 2001:8800:10fb:4444::ae/64
>
> i am seeing the route addition automatically
>
> route -n -A inet6 shows that one of the route from the above added address.

You mean you get a /64 route to the interface? I'd say that's normal, as 
you're adding a /64.

If you do not want this, add it as a /128 instead.

"ip -6 a a dev eth0 2000:db8::1/128" will add just that /128 to eth0 
interface without an encompassing network route.

"ip -6 r l" to verify (you will see just the IPv6 address to the device, 
ie an implicit /128).

-- 
Mikael Abrahamsson    email: swmike@....pp.se
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