netdev - Re: 2.6.19/2.6.20 BUG in inet_rtm_newaddr()/__inet_insert

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Message-ID: <20070310135539.GB30620@janus>
Date:	Sat, 10 Mar 2007 14:55:39 +0100
From:	Frank van Maarseveen <frankvm@...nkvm.com>
To:	Evgeniy Polyakov <johnpol@....mipt.ru>
Cc:	netdev@...r.kernel.org
Subject: Re: 2.6.19/2.6.20 BUG in inet_rtm_newaddr()/__inet_insert_ifa()

On Sat, Mar 10, 2007 at 04:19:17PM +0300, Evgeniy Polyakov wrote:
> On Fri, Mar 09, 2007 at 07:22:36PM +0100, Frank van Maarseveen (frankvm@...nkvm.com) wrote:
> > Ok that worked.. not as I expected. I don't understand the EINVAL and
> > "ip addr" shows no broadcast address for eth0 when a classless address is
> > added as the primary (and only) address like in the above example. That's
> > why I tried to set it manually in the second "ip" command.
> 
> Because you might want not 
> 
> ip addr add 172.18.12.99/21 dev dummy0
> ip addr add broadcast 172.18.15.255 dev dummy0
> 
> but 
> 
> ip addr add 172.18.12.99/21 broadcast 172.18.15.255 dev dummy0
> 
> Magic of local/global adresses is hidden here.

thanks!

-- 
Frank
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