DHCPv6_Pool.Allocation_Methods

[Shawn Routhier]

> On Oct 14, 2015, at 1:07 AM, Victor Lyapunov <victor.lyapunov at gmail.com> wrote:
> 
> Hello All
> 
> For a xDSL deployment we are trying to provide a relative lease stability for the CPEs. Effectively to ensure that the subscribers - after the lost of DSL sync - receive the same address (especially DHCP_PD since we need to avoid having to re-address the CPE's LAN after every lost of DSL sync)
> 
> Is there a way to achieve this using ISC? For Kea DHCP server  
> (http://git.kea.isc.org/~tester/kea/doxygen/d8/d5f/libdhcpsrv.html <http://git.kea.isc.org/~tester/kea/doxygen/d8/d5f/libdhcpsrv.html>)
> it makes mention to a "hashed - allocator" where the server assigns addresses based on a hash of the subscribers's DUID (Not sure if Kea can do it for DHCP_PD but it seem a very useful functionality)
> 
> Is there a way to achive this in ISC DHCP server, namely assign addresses based on a hash of a subscribers's DUID (instead of simply iterating through the pool)?
> 
> Are there any other alternative to achive this "relative lease stability" for DHCP_PD?
> 
> Best Regards
> 
> Victor
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ISC DHCP does use a hash to pick the address or prefix to use.

Shawn

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