Re: Re: Additional IPv6 addresses on bond interface marked as dadfailed

[Florian Zavatzki <florian@zavatzki.name>]

> On Mon, 2013-05-27 at 13:55 +0200, Florian Zavatzki wrote:
>> Hi,
>>
>> after upgrading from squeeze to wheezy one of our servers has problems
>> with additional IPv6 addresses on a bond interface. Each IPv6 address
>> which is added is marked as dadfailed.
> [...]
>
> Are you setting up the bond on the switch before bringing it up on this
> host?  If not, the neighbour solicitation packets for DAD (Duplicate
> Address Detection) will be forwarded by the switch on the other link
> that's part of the bond, and every address you add will therefore appear
> to be a duplicate.
>

Yes, I have checked the switch configuration, and both ports on the
switch are configured as LACP bond with LACP status success.

Bye,
Florian