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We are pleased to announce the availability of Kea 1.1. Kea is ISC’s modern DHCP server, which brings new functionality to the datacenter and to any ISP or enterprise that needs to tie dynamic host control into external provisioning systems.
New features in Kea 1.1 include:
Kea 1.0 contained limited support for storing host reservations in the database backend. Kea 1.1.0 has expanded that capability, allowing host reservations to be stored in a MySQL or PostgreSQL database. In particular, Kea 1.1.0:
In Kea 1.1 the client classification system has been expanded. A class definition contains a name and a test expression of arbitrary complexity; if the test expression evaluates to “true”, the client is a member of that class. A client may be a member of multiple classes and can acquire options from different classes. If the configuration contains multiple definitions for data for an option in two or more of the global, class, subnet, or host entries, the server will choose the definition from the most specific entry.
There are a number of objects and operators available for use in the test expression.
It is now possible to specify parameters for hook libraries in the Kea configuration file. In earlier versions of Kea, hook library authors had to use a external mechanism (such as file of a known name) to pass information across.
RFC7341 defines an architecture that allows dual-stack clients to communicate with a DHCPv4 server in IPv6-only networks. Kea 1.1 introduces support for this mode of operation. It requires running both DHCPv4 and DHCPv6 servers in special mode, where DHCPv6 component does not allocate anything, but decapsulates incoming DHCPv4 messages, sends them to the DHCPv4 server, and then relays back the responses.
Kea 1.1.0 has added preliminary support for Cassandra as a database backend. In this release of Kea it can only be used to store lease information; it is not able store host reservations. Cassandra support is currently considered experimental. Use with caution.
Kea 1.1.0 has been released under the Mozilla Public License, version 2.0. https://www.mozilla.org/en-US/MPL/2.0
If you have any comments or questions about working with Kea, please share them on the Kea Users List at https://lists.isc.org/mailman/listinfo/kea-users.
Bugs and feature requests may be submitted via GitLab at https://gitlab.isc.org/isc-projects/kea.
What's New from ISC