IPV6_RECVPKTINFO not working for IPv4-mapped addresses on Linux?

Philipp Kern phil at philkern.de
Mon Jan 20 18:21:34 CET 2014

On 2014-01-20 18:15, Nick Hilliard wrote:
> On 20/01/2014 17:12, Simon Perreault wrote:
>> IIRC, recent versions of Bind open a socket per address on IPv4
> this feature was one of the main reasons I stopped using BIND.  It has 
> the
> side effect that you cannot necessarily set it up on a system which 
> shares
> IP addresses using e.g. VRRP, because you cannot be guaranteed that the
> system will have the virtual IP address configured at the time that 
> starts.  Frustrating.

Can't you simply set up the VIP on the dummy interface and then direct 
traffic to the box as needed, making sure that you don't answer ARP 
requests for the dummy address in the kernel?

Kind regards
Philipp Kern

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