linux-kernel - Re: ipv6: default route for link local address is not added while assigning a address

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Message-ID: <20140110171613.GA23647@order.stressinduktion.org>
Date:	Fri, 10 Jan 2014 18:16:13 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
Cc:	sohny thomas <sohny.kernel@...il.com>,
	linux-kernel@...r.kernel.org, yoshfuji@...ux-ipv6.org,
	davem@...emloft.net, kumuda <kumuda@...ux.vnet.ibm.com>,
	netdev <netdev@...r.kernel.org>
Subject: Re: ipv6: default route for link local address is not added while assigning a address

On Fri, Jan 10, 2014 at 05:33:08PM +0100, Nicolas Dichtel wrote:
> CC: netdev
> 
> Le 10/01/2014 13:20, sohny thomas a écrit :
> >Default route for link local address is configured automatically if
> >NETWORKING_IPV6=yes is in ifcfg-eth*.
> >When the route table for the interface is flushed and a new address is 
> >added to
> >the same device with out removing linklocal addr, default route for link 
> >local
> >address has to added by default.
> I would say that removing the link local route but not the link local 
> address
> is a configuration problem.
> If you remove a connected route but not the associated address, you will 
> have
> the same problem.

We have some user accessible routes that are essential for IPv6 stack
to work at all. So I don't know if I can agree with that.

Maybe flush is a bit too aggressive?

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