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From: Olaf Kirch <okir@suse.de>
To: Pekka Savola <pekkas@netcore.fi>
Cc: David Miller <davem@davemloft.net>,
	yoshfuji@linux-ipv6.org, netdev@vger.kernel.org,
	jbeulich@suse.de
Subject: Re: [RFC IPv6] Disabling IPv6 autoconf
Date: Tue, 29 Aug 2006 13:10:54 +0200	[thread overview]
Message-ID: <20060829111053.GL1201@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0608291348520.25442@netcore.fi>

On Tue, Aug 29, 2006 at 01:55:28PM +0300, Pekka Savola wrote:
> It's not obvious that IFF_MULTICAST is good enough.  IMHO, you should 
> be able to run addrconf on non-multicast interfaces as well (e.g., 
> point-to-point interfaces, tunnels in particular).

So would it work to use this?
	(flags & (IFF_MULTICAST|IFF_POINTOPOINT)) == 0

> It seems that current code already excludes IFF_NOARP interfaces 
> though.

I looked at that - it doesn't help because it just disables DAD, but
still does router solicitation, and I think it also sends a MLD listener
report with the bogus link-layer address. I tend to agree that it's
incorrect to assign an address at all in this case.

Olaf
-- 
Olaf Kirch   |  --- o --- Nous sommes du soleil we love when we play
okir@suse.de |    / | \   sol.dhoop.naytheet.ah kin.ir.samse.qurax

  reply	other threads:[~2006-08-29 11:11 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-29  8:24 [RFC IPv6] Disabling IPv6 autoconf Olaf Kirch
2006-08-29  9:34 ` YOSHIFUJI Hideaki / 吉藤英明
2006-08-29  9:54   ` David Miller
2006-08-29 10:39     ` Herbert Xu
2006-08-29 10:45       ` Olaf Kirch
2006-08-29 10:55     ` Pekka Savola
2006-08-29 11:10       ` Olaf Kirch [this message]
2006-08-29 11:13       ` Peter Bieringer
2006-08-29 16:30     ` Alexey Kuznetsov
2006-08-29 10:44   ` Olaf Kirch
2006-08-29 15:51     ` Stephen Hemminger
2006-08-29 11:21 ` Hasso Tepper
2006-08-29 11:31   ` Peter Bieringer
2006-08-29 13:04     ` Herbert Xu
2006-08-29 13:59       ` Hasso Tepper
2006-08-30  0:12         ` Herbert Xu
2006-08-30  3:26           ` YOSHIFUJI Hideaki / 吉藤英明
2006-08-30  5:41           ` Hasso Tepper
2006-08-29 18:10 ` Thomas Graf
2006-08-29 20:00   ` Olaf Kirch

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