[Kea-users] Multiple ipv6 addresses/prefix reservations

Tomek Mrugalski tomasz at isc.org
Thu Feb 23 19:55:22 UTC 2017


W dniu 23.02.2017 o 18:12, Olivier Clavel pisze:
> On Thu, 23 Feb 2017 at 15:47 Tomek Mrugalski <tomasz at isc.org
> <mailto:tomasz at isc.org>> wrote:
> 
>     W dniu 23.02.2017 o 11:35, Olivier Clavel pisze:
>     > On http://kea.isc.org/wiki/KeaKnownIssues I see that  /"/Static
>     > reservation of multiple IPv6 addresses or multiple IPv6 prefixes
>     is not
>     > supported." was specified for versions up to 1.0.0 but as been removed
>     > on 1.1.0. Does that mean I can reserve several IPv6 addresses on
>     > different network/pools for a single client ? Anything special to deal
>     > with in the configuration ?
>     Having a reservation for the same host in different subnets worked for a
>     long time, for both v4 and v6. That's the case when client moves to a
>     different location in your network.
> 
>     Now, DHCPv6 allows for a client to get more than one address and/or
>     prefix and given location. To support that, the client should send more
>     than one IA_NA (for address) and/or IA_PD (for prefix). Kea supports
>     that for a long time.
> 
> 
> Ok. This is what I'm trying to achieve. I have a ula network prefix. I'd
> like clients to possibly get both addresses from the server. Here is the
> config
Both subnets on the same network? That's shared subnets scenario. Not
supported yet.

Tomek




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