netdev - Re: Bonding and Neighbour Discovery on IPv6-only devices

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Message-ID: <2540.1221502568@death.nxdomain.ibm.com>
Date:	Mon, 15 Sep 2008 11:16:08 -0700
From:	Jay Vosburgh <fubar@...ibm.com>
To:	Jeff Garzik <jeff@...zik.org>
cc:	Alex Sidorenko <asid@...com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: Bonding and Neighbour Discovery on IPv6-only devices

Jeff Garzik <jeff@...zik.org> wrote:

>On Mon, Sep 15, 2008 at 01:35:16PM -0400, Alex Sidorenko wrote:
[...]
>> Everything works fine, but if we switch the slave doing
>> 
>> # ifenslave -c bond0 eth3
>> 
>> the incoming ping6 to this host stops for up to several minutes (waiting until 
>> the switch updates its caches).
>
>We _just_ put in an IPv6 fix, FWIW...

	The fix that just went in has to do with traffic balancing in
alb/tlb modes; this problem has to do with the lack of an IPv6
equivalent to a gratuitous ARP during a user-induced failover.

	I'm looking into this; it might be simple to fix.

	-J

---
	-Jay Vosburgh, IBM Linux Technology Center, fubar@...ibm.com
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