DHCP Failover with IPv6 on dhcpd 4.3.2

Shawn Routhier sar at isc.org
Sun Jul 19 07:48:12 UTC 2015

There isn’t a failover protocol defined for DHCPv6 yet and so
dhcpd doesn’t attempt to implement failover for DHCPv6.


> On Jul 18, 2015, at 11:50 PM, Marc Haber <mh+dhcp-users at zugschlus.de> wrote:
> Hi,
> I have recently been trying to get DHCP Failover running with dhcpd
> 4.3.2 with IPv6. This has proven to be fun, since the dhcpd does not
> seem to be happy with either way to place the "failover peer"
> statement.
> The only place where the dhcpd will not complain about a syntax error
> is inside a (mandatory!) shared-network statement, but outside any
> subnet statement. In that case, the dhcpd complains about "failover
> peer declaration with no referring pools". 
> In all other cases, it says "/etc/dhcp/dhcpd6-failover.conf line 74: fail
> over peers may only be defined in shared-network (line before the
> failover peer line quoted in here) declarations and the outer scope."
> Is this a bizarre way of dhcpd to say "failover not implemented for
> IPv6", or am I doing something wrong?
> If failover should work for IPv6, I'll post a more verbose message
> here giving configuration and the corresponding error message, but I'd
> like to know that I'm not fighting a lost cause here.
> If somebody has configuration for working failover with IPv6 handy,
> I'd appreciate sharing of configuration.
> Thanks in Advance.
> Grüße
> Marc
> -- 
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