IPv6 failover with isc-dhcpd-4.3.5?

Paul B. Henson henson at acm.org
Wed Feb 8 05:48:03 UTC 2017

On Tue, Feb 07, 2017 at 07:27:43PM -0800, Craig Leres wrote:
> We've been using failover with IPv4 for several years and want to use it 
> for IPv6. Is this even possible? Obvious attempts at a config result in 
> strange errors.

Nope. There's no standard for IPv6 DHCP failover, and the ISC DHPC v6
implementation does not support any. It's not like there's a shortage of
addresses for ranges ;), we deployed two servers with different
address allocations and long lease times.

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