netdev - Re: [PATCH] ipv6: add special mode forwarding=2 to send RS while configured as router

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Message-ID: <20101206112641.GD18994@canuck.infradead.org>
Date:	Mon, 6 Dec 2010 06:26:41 -0500
From:	Thomas Graf <tgraf@...radead.org>
To:	netdev@...r.kernel.org, davem@...r.kernel.org,
	yoshfuji@...ux-ipv6.org
Subject: Re: [PATCH] ipv6: add special mode forwarding=2 to send RS while
 configured as router

On Wed, Nov 24, 2010 at 07:03:06PM +0100, Daniel Roesen wrote:
> On Fri, Sep 03, 2010 at 09:04:20AM -0400, Thomas Graf wrote:
> > Similar to accepting router advertisement, the IPv6 stack does not send router
> > solicitations if forwarding is enabled.
> > 
> > This patch enables this behavior to be overruled by setting forwarding to the
> > special value 2.
> 
> Wouldn't it be more elegant to use accept_ra=2 as trigger instead of a new special
> value for the forwarding option?

Two reasons: I didn't want to change the behaviour of an existing
configuration option on which someone may rely on and I wanted to
allow sending of RS while still allowing to disable accepting RAs.
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