netdev - Re: Adding ND to bonding?

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Message-ID: <11265301.16.1370338436286.JavaMail.root@zimbra>
Date:	Tue, 4 Jun 2013 11:33:56 +0200 (CEST)
From:	Roy Sigurd Karlsbakk <roy@...lsbakk.net>
To:	Jay Vosburgh <fubar@...ibm.com>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: Adding ND to bonding?

> Roy Sigurd Karlsbakk <roy@...lsbakk.net> wrote:
> [...]
> >We're hoping one day we can move to an IPv6-only network (with some
> >gatewaying to IPv4 land), and I wonder if it would be hard to add
> >Neighbor Discovery Protocol to bonding as to allow for bonding on
> >ipv6. I'm not much of a kernel coder, but for what I could see, it
> >looks
> >doable.
> 
> I haven't tested it lately, but I'm reasonably sure that ND runs
> over bonding. Is there something specific you have in mind here?

Perhaps I was a bit unclear about this. What I mean, is that in the active-backup mode, the method of finding whether or not a link is active, is to send an ARP request to some machine, in my case, the gateway. This won't work with an IPv6-only configuration, since there's no ARP there, only ND. For active-backup mode to work in IPv6, there needs to be added an ND mode, replacing or supplementing ARP.

Vennlige hilsener / Best regards

roy
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