RA & DHCP problem...

Hannes Frederic Sowa hannes at stressinduktion.org
Sun Dec 29 16:27:29 CET 2013


On Sun, Dec 29, 2013 at 02:09:01PM +0000, Nick Hilliard wrote:
> On 29/12/2013 13:12, Philipp Kern wrote:
> > that's basically what I said. I added the additional point that the DHCP
> > server gives out different gateways for load balancing reasons.
> 
> Right, I just misunderstood what you were saying.
> 
> >> No, you can't do tightly timed failover with RAs […]
> > 
> > How would you make that work with DHCPv6? Isn't that also MAC failover
> > which you refuse to consider for RAs?
> 
> Let me be more specific: you can only do tightly timed failover with RAs if
> you announce a virtual IP address which is tied to a first-hop redundancy
> protocol like vrrp/hsrp/etc.  This is a vendor specific thing and is not
> even supported by many vendors.

Or just specify the ipv6 subnet anycast router address in a route-info
RA section. ;)

Greetings,

  Hannes



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