From: Andrew Morton <akpm@linux-foundation•org>
To: netdev@vger•kernel.org
Cc: bugzilla-daemon@bugzilla•kernel.org,
bugme-daemon@bugzilla•kernel.org, hadmut@danisch•de
Subject: Re: [Bugme-new] [Bug 28282] New: forwarding turns autoconfiguration off
Date: Tue, 8 Feb 2011 13:34:08 -0800 [thread overview]
Message-ID: <20110208133408.7d447e6a.akpm@linux-foundation.org> (raw)
In-Reply-To: <bug-28282-10286@https.bugzilla.kernel.org/>
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Sat, 5 Feb 2011 18:06:31 GMT
bugzilla-daemon@bugzilla•kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=28282
>
> Summary: forwarding turns autoconfiguration off
> Product: Networking
> Version: 2.5
> Kernel Version: 2.6.35
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: IPV6
> AssignedTo: yoshfuji@linux-ipv6•org
> ReportedBy: hadmut@danisch•de
> Regression: No
>
>
> Hi,
>
> Linux ethernet interfaces do not use autoconfiguration and do ignore router
> advertisings if the packet forwarding is turned on in the configuration (i.e.
> /proc/sys/net/ipv6/conf/eth0/forwarding set to 1)
>
>
> This might be wrong.
>
> IPv6 network devices can have multiple IPv6 addresses and server several
> purposes at the same time. A machine can have a statically assigned local IPv6
> address and act as a router (e.g. to a virtual machine or a VPN tunnel) and
> thus needs to turn forwarding on, while at the same time it needs to listen to
> router advertisements and autoconfigure, e.g. because a network is connected to
> the internet through a DSL router with dynamically assigned network adresses,
> either through direct IPv6 assignment or a 6to4 tunnel.
>
> So there are cases where you need to have autoconfiguration of an IP address
> and forwarding on the same interface at the same time. Therefore, it might be
> technically wrong to have this mutually exclusive.
>
next parent reply other threads:[~2011-02-08 21:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-28282-10286@https.bugzilla.kernel.org/>
2011-02-08 21:34 ` Andrew Morton [this message]
2011-02-08 21:44 ` [Bugme-new] [Bug 28282] New: forwarding turns autoconfiguration off David Miller
2011-02-08 22:12 ` Hadmut Danisch
2011-02-08 22:30 ` David Miller
2011-02-08 22:44 ` Francois Romieu
2011-02-08 22:59 ` Hadmut Danisch
2011-02-08 23:49 ` Francois Romieu
2011-02-09 4:47 ` Bill Fink
2011-02-09 7:42 ` Francois Romieu
2011-02-09 7:56 ` Hadmut Danisch
2011-03-24 15:07 ` Hadmut Danisch
2011-03-24 16:25 ` David Lamparter
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