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From: Roland Dreier <rdreier@cisco.com>
To: David Miller <davem@davemloft.net>
Cc: Valdis.Kletnieks@vt.edu, arvidjaar@mail.ru, rjw@sisk.pl,
	netdev@vger.kernel.org, bonding-devel@lists.sourceforge.net,
	jamagallon@ono.com, linux-kernel@vger.kernel.org
Subject: Re: 2.6.29 regression? Bonding tied to IPV6 in 29-rc5
Date: Tue, 17 Feb 2009 21:55:58 -0800	[thread overview]
Message-ID: <adar61w2sr5.fsf@cisco.com> (raw)
In-Reply-To: <20090217.212919.259912220.davem@davemloft.net> (David Miller's message of "Tue, 17 Feb 2009 21:29:19 -0800 (PST)")

 > Next, if it's just an issue of IPV6 traffic, install a packet
 > scheduler rule that rejects all packets with ethernet proto
 > ETH_P_IPV6
 > 
 > If openning up ipv6 sockets is problematic, that can be blocked
 > using the security layer, which your super-duper distro kernel
 > is guarenteed to have enabled. :-)

This reminds me of a related issue that some users have run into with
IP-over-InfiniBand -- the IPoIB module also depends on ipv6 symbols if
ipv6 is enabled, so when ipoib is loaded then ipv6 gets loaded.  And
this causes a problem from some people in the IB case because assigning
an ipv6 address to the ipoib interface actually consumes some network
resources (the number of multicast groups that the network supports may
be limited and having a solicited node multicast group for each node may
use them all up).

Anyway, this leads to the folowing question: is there a way to prevent a
link-local ipv6 address from being configured automatically for the
ipoib interface?

Thanks,
  Roland

  reply	other threads:[~2009-02-18  5:55 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <alpine.LFD.2.00.0902131413120.3179@localhost.localdomain>
     [not found] ` <20090217095232.5da06b9f@werewolf.home>
2009-02-17 17:01   ` 2.6.29 regression? Bonding tied to IPV6 in 29-rc5 Andrey Borzenkov
2009-02-17 18:17     ` Andrey Borzenkov
2009-02-17 20:08       ` [Bonding-devel] " Jay Vosburgh
2009-02-17 22:49         ` David Miller
2009-02-17 20:10       ` Brian Haley
2009-02-17 20:56         ` Thomas Backlund
2009-02-17 21:06         ` [Bonding-devel] " Jay Vosburgh
2009-02-17 21:49           ` Brian Haley
2009-02-17 22:24             ` Jay Vosburgh
2009-03-04 11:46               ` Jan Engelhardt
2009-02-17 22:30           ` Nicolas de Pesloüan
2009-02-17 22:54           ` David Miller
2009-02-17 22:51         ` David Miller
2009-02-17 22:29     ` David Miller
2009-02-18  4:41       ` Valdis.Kletnieks
2009-02-18  5:29         ` David Miller
2009-02-18  5:55           ` Roland Dreier [this message]
2009-02-18 13:55           ` Theodore Tso
2009-02-18 16:24             ` Chuck Lever
2009-02-18 18:33               ` Vlad Yasevich
2009-02-18 19:57                 ` Brian Haley
2009-02-18 21:21                   ` John Dykstra
2009-02-18 21:29                     ` [Bonding-devel] " Stephen Hemminger
2009-02-19 13:32                   ` Herbert Xu
2009-02-18 22:14                 ` David Miller
2009-02-19  1:11                   ` Vlad Yasevich
2009-02-19 13:29             ` Herbert Xu
2009-02-18  6:55         ` Frank Blaschka
2009-02-19 18:15     ` Randy Dunlap
2009-02-19 18:19       ` Andrey Borzenkov
2009-02-19 18:20       ` Jay Vosburgh

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