Welcome to the second beta release of Kea 1.5.0!
Kea is a DHCP implementation developed by Internet Systems Consortium,
Inc. that features fully functional DHCPv4 and DHCPv6 servers, a dynamic
DNS update daemon, a Control Agent (CA) that provides a REST API to control
the DHCP servers, an example shell client to connect to the CA, a
NETCONF daemon that is able to retrieve YANG configuration and updates
from Sysrepo, and a DHCP performance measurement tool. Both DHCP servers
fully support server discovery, address assignment, renewal, rebinding,
release, decline, information request, DNS updates, client
classification and host reservations. The DHCPv6 server also supports
prefix delegation. Lease information can be stored in a MySQL,
PostgreSQL or Cassandra database; it can also be stored in a CSV file.
Host reservations can be stored in a configuration file; they can also
be stored in a MySQL, PostgreSQL, or Cassandra database and, to some
degree, also retrieved from a RADIUS server. Kea DHCPv4 and DHCPv6
daemons provide support for YANG models, which can be configured over
Compared to 1.5.0-beta1, we fixed 30 issues that cover various bugs and
small improvements. The more notable ones are:
* Fixed memory leak in RADIUS hook
* Improved support for MariaDB
* Cassandra backend no longer gets confused when trying to delete
non-existing host reservation
* Added examples for global host reservations
* Fixed support for recent sysrepo releases. The code should work with
at least 0.7.5, 0.7.6 and 0.7.7.
* The YANG models have changed slightly. This side steps a problem in
sysrepo that had difficulties handling two top level entries in a model.
We used to have two top level entries: Dhcp4/6 and Logging. Now Logging
is a child of Dhcp4/6. Don't forget to reinstall YANG modules.
* Beta2 is again able to be built with older boost versions. This may be
a good news for CentOS and RHEL users as they can now use the version of
boost available in their system packages and no longer need to install a
This version also includes features added in 1.5.0-beta1:
**YANG models** - YANG (https://tools.ietf.org/html/rfc6020) is very
popular configuration language that allows to define a model, which is a
configuration syntax for various networking devices (think of this as
database schema). You can then store actual configuration in that model
(think of this as data stored in your database). This configuration then
can be modified using either local command line tools (such as
sysrepocfg) or remotely using
NETCONF (https://tools.ietf.org/html/rfc6241) protocol. Kea 1.5.0-beta1
introduces support for Sysrepo (http://www.sysrepo.org/), which
provides YANG models and YANG configuration storage. It currently
supports both startup and running datastores. This may become very
useful if you want to experiment with your Kea configuration, but don't
want want to commit it permanently. A new daemon, kea-netconf, has been
introduced in this release. It provides three services. First, it can
load the initial configuration from the Sysrepo startup datastore and
then apply it to Kea DHCPv4 and/or DHCPv6 servers. Second, it can
monitor the running datastore and pick up any changes that may appear.
Third, before you commit any changes to Sysrepo, it may retrieve the
proposed configuration from Sysrepo, send it to Kea DHCP servers using
config-test and then report back to Sysrepo whether the new
configuration is valid or should be rejected.
YANG and NETCONF is a complex environment. This is the first release
and we are hoping to expand Kea capabilities in future versions. We
currently have four models defined (kea-dhcp4-server, kea-dhcp6-server,
kea-dhcp-ddns, and kea-ctrl-agent), but only the first two are
supported. Shared definitions are in kea-types, kea-logging and
kea-dhcp-types modules. Beta testers using CentOS may find these
installation notes for Netconf on
CentOS (https://kb.isc.org/docs/kea-build-on-centos) helpful.
The YANG modules have changed between beta1 and beta2. If you are
upgrading, make sure you have reinstalled the modules.
Also note that Kea implements support for Sysrepo, which is a YANG
model and configuration storage. It can be used using local commands,
but does not provide a NETCONF interface natively. However, Netopeer2
can be installed to expose configurations stored in Sysrepo via NETCONF.
See Sysrepo and Netopeer2 documentation for details.
**Global host reservations** - Kea 1.5 introduces support for global
host reservations. Previously reservations were always subnet specific,
so if you had a mobile client visiting 10 networks and you wanted to
reserve something, such as special options or parameter values, you
would have to create 10 reservations. Right now it is possible to
specify that certain subnets (or even all of them) should use global
reservations. Caution is advised when assigning addresses this way. Kea
does not check correctness of the addresses being reserved, so this
feature is mostly intended to be used for options and other
configuration parameters, but not addresses.
**Congestion control** - Older Kea versions had no notion of
congestion control and used to process packets in first-in first-out
order. When overloaded with traffic, Kea effectively kept responding to
the oldest packets first, which was likely to trigger re-transmissions
avalanche. What's worse, when the buffer was full new packets were
discarded and older, possibly stale packets were kept. Kea 1.5.0 now
supports congestion control that by default implements a ring buffer
with a controllable size. This means that in cases where Kea is not able
to keep up, the oldest packets are discarded while newer packets are
kept. This approach should improve response times and help avoid client
The response time is now affected by the ring buffer size. This
feature changes how Kea behaves under heavy load and has performance
implications. There is no single default value here that would work best
for all environments. We are hoping to get some feedback from users how
this feature behaves. Please share your feedback on kea-users. Make sure
to read the "Congestion control in DHCPv4 and DHCPv6" section in the
User's Guide. You may also want to look at this wiki page
is expected to be updated frequently.
BETA DISCLAIMER: This feature was always on in in 1.5.0-beta1.
1.5.0-beta2 has it still enabled by default, but it is possible to
disable it. Initial testing has shown that this new feature reduces
throughput at very high congestion levels, although at lower congestion
levels it ensures Kea is focused on processing current, rather than
**High Availability improvements** - High Availability was introduced
in 1.4.0. Release 1.5.0 brings in a number of performance, resiliency
and overall robustness improvements. A new mechanism has been introduced
that synchronizes leases in chunks rather than all of them at once. This
approach makes possible to synchronize large subnets without risking
timeouts. Some timeouts are now configurable. A sanity mechanism has
been implemented that checks leases being loaded from file or received
from HA partner. Depending on its configuration it can be forgiving
(accepts leases and prints warnings if they're not matching current
configuration), merciless (reject anything that doesn't match current
configuration) or helpful (will try to fix certain lease aspects, so
that they match the current configuration).
**Configuration Backend design** - The Configuration Backend feature
is now planned for Kea 1.6.0. It will provide the ability to use a
database as a source of configuration information for the Kea DHCP
servers. Even though the Configuration Backend is not functional in the
Kea 1.5.0 release, the design for this feature was created and some
basic elements implementing this design are included in the current
version. The most prominent change is the update of the MySQL schema to
include new tables, constraints and indexes to be used by the
Configuration Backend feature once it is implemented. These elements are
currently unused, but they will be created in the existing database
instances once the MySQL database is upgraded to the version supported
by Kea 1.5.0 release. The design of the Configuration Backend is
**Authoritative flag for DHCPv4** - This popular feature of ISC DHCP
now comes to Kea. Kea DHCPv4 server now provide a flag that determines
whether the server is authoritative or not. This lets two servers
coexist on the same link without NAKing each others clients. Thanks to
Sebastian Schrader for submitting a high-quality patch implementing this
**User contexts in leases** - Lease objects and lease backends can now
store additional 'user context'. User context can be any arbitrary data
as long as it is in JSON map format. Database schemas were updated.
**New REST API documentation** - By popular demand, the Kea team spent
some time documenting the existing RESTFul and control channel API. Kea
now supports 71 commands and each of them has its own section that
includes an overview, a list of daemons that support it, the hook
library name (if provided by a hook), the first Kea version where it
appeared, and the syntax of both the command and the response (although
the responses are not fully documented for some commands yet). Lists
ordered alphabetically by server and by hook are provided.
**Client classification commands** - A new Kea Premium extension
library, Class_cmds, enables listing, adding, updating, and deleting
client classes configured for a given DHCPv4 or DHCPv6 server.
**Gitlab migration** - Since the last Kea release we have migrated the
Kea project to a new development system, at
https://gitlab.isc.org/isc-projects/kea. We are now tracking issues,
archiving design documentation and providing the source repo at this new
site. Our old Trac site is still available at https://oldkea.isc.org for
Kea 1.5.0-beta2 is released under the Mozilla Public License, version 2.0.
The premium hook libraries are provided in source code form, under the
terms of an End User License Agreement (you are not permitted to
## Testing premium hooks
ISC Kea support customers will receive tickets inviting them to beta
test the premium hooks, which are included with the support
subscription. If you are interested in testing premium hooks and do not
have a Kea support contract, please contact info at isc dot org to apply
to beta test. We will give you a 100% discount coupon in exchange for
your help in improving the software. Please let us know when you email
which premium hook package(s) you want to test.
The Kea 1.5.0-beta2 source and PGP signature may be downloaded from:
The signature was generated with the ISC code signing key which is
ISC provides detailed documentation, including installation instructions
and usage tutorials in the Kea Administrator Reference Manual.
Documentation is included with the installation or via
https://kb.isc.org/docs in HTML, plain text, or PDF formats. ISC
maintains a public open source code tree, wiki, issue tracking system,
milestone planning and a roadmap at
Limitations and known issues with this release can be found at
We'd like users of this software to please let us know how it worked for
you and what operating system you tested on. Feel free to share your
configuration or use case. Also we would like to hear whether the
documentation is adequate and accurate (please open tickets for
documentation omissions and errors). We want to hear from you even if
Professional support for Kea is available from ISC. We encourage all
professional users to consider this option: Kea maintenance is funded
with support subscriptions. For more information on ISC's DHCP software
support see https://www.isc.org/dhcp-subscription/. Free best-effort
support is provided by our user community via a mailing list.
Information on all public email lists is available at
If you have any comments or questions about working with Kea, please
share them to the Kea Users List
https://lists.isc.org/mailman/listinfo/kea-users. Bugs and feature
requests may be submitted via the ticket tracking system at
The following summarizes changes and important upgrade notes since the
previous release (1.5.0-beta1).
1492. [doc] fdupont
Added a step by step netconf operation example in the
Kea Administrators's Guide.
(Gitlab #195,!131, git 994a826caf3c1a9f5f84d8b703a3b202120e91b6)
1491. [build] tomek
coroutine.hpp from Boost 1.68 has been added the Kea source.
It is used only if the Boost library provided by the system
is very old and does not include that header. This effectively
reverts the change done in Kea 1.4.0.
(Gitlab #293,!45, git df0f507b8b750c8dff1f537cad5b5748b7841852)
1491. [build] marcin
Bumped up libraries version numbers for Kea 1.5.0 beta2 release.
Also, generated logger message files are now installed with Kea.
(Gitlab #62,!144, git 7dc8d73a58504fd81a49b1c54651388d53d98d53)
1490. [bug] marcin
Applied fixes in Cassandra Host Manager which prevents Kea
crash during an attempt to delete non-existing reservation.
In particular, this crash was observed as a result of sending
reservation-del command over RESTful API.
(Gitlab #27,!138, git 8666ed4754ffd27f3aa46a2cf3e4b161a1d877ee)
1489. [doc] fdupont
Added examples of global host reservations.
(Gitlab #136, !143, git bee8b8620f849f6bcaf2b31c3b130bb371c6312c)
1488. [doc] marcin
Added stat_cmds to the list of available hooks libraries.
(Gitlab #85,!142, git 08615372b4f869fe61b13559efa33d0d9794d79b)
1487. [doc] marcin
Corrected broken links and various typos in Kea documentation
which had been identified during Kea 1.5.0 beta1 release
(Gitlab #263,!137, git 79a224288efa1e1c51b0f2ec11ff646563b306e1)
1486. [func] tmark
For Kea 1.5.0-beta2, congestion handling has been enabled by
default. This was done to expose the feature to more testing.
We will finalize the default setting prior to releasing Kea
(Gitlab #276,!132, git fda1f985997412a58d3b4eee4a1ca0588d3f3beb)
1485. [func] fdupont
Simplified and updated Kea YANG models. For instance the list of
loggers was moved from the removed logging container to global
(Gitlab #204, !97, git 1de6c2987ec9067b7c1baa577c6dcd6ddd1b30fb)
1484. [bug] marcin
Resolved issues with MySQL backend failing to insert a lease
to the MariaDB database on OpenSUSE. This fix may also
improve stability of the MySQL backend on other systems running
(Gitlab #53,!125, git 038eddbc7b904289e4b74b5ef2406cb57f79a646)
1483. [func] tmark
Use of congestion handling is now optional via the 'enable-queue'
flag added to 'dhcp-queue-control'. It is disabled by default.
When disabled Kea's DHCPv4 and DHCPv6 servers will consume
packets directly from interface sockets in the main thread
(i.e. employs pre Kea 1.5 technique).
(Gitlab #260, !120, git 9e304fae48d0d0658fd39a21aba9da528b4cc6f4)
1482. [func] fdupont
The configuration parameter "reservation-mode" can be specified
at global (new), subnet and shared network levels.
(Gitlab #268,!126, git c72d381c39868308c7d11c7d4def3bdae0a0e04e)
1481. [func] fdupont
Cleaned up the keatest-module YANG test module.
(Gitlab #204,!98, git a830adcefd9306969216d35c51306df3610278bb)
1480. [func] fdupont
The unused configuration parameter "always-include-fqdn"
was removed. Configurations using it will be rejected as
it is no longer recognized.
(Gitlab #182,!128, git cafeba167e7c64370dd39eca4551f61acd89d3da)
1479. [build] fdupont
Support for sysrepo 0.7.6 (and libyang 0.16-r2) was added.
Previous versions of sysrepo (and libyang) are still supported.
(Gitlab #176, !107, git 4304a10b21708afb2a7599c77bc7508a600333cb)
1478. [bug] marcin
Performance improvements in the HTTP client code used in the
Kea High Availability.
(Gitlab #57,!122, git 7bd97af1f3d7670cd64cadf0d0cb9ddbe4e74909)
The following summarizes changes and important upgrade notes since the
previous release (1.4.0).
1477. [build] marcin
Bumped up libraries version numbers for Kea 1.5.0 beta release.
(Gitlab #261,!119, git 54d63139048e7fe2dd0384b547ed6f8b96ff0e8f)
1476. [func] tmark
Added initial implementation of congestion handling to kea-dhcp4
and kea-dhcpt6. This adds a new top level element to the server
configurations, "dhcp-queue-control". Both servers will now
read client packets from interface sockets in a separate thread
queueing them for server level processing. For Kea 1.5-Beta
this feature is always on.
(Gitlab #42, !103, git 09d5ffebc8f9bfab2ab99c384eec9c3a3c915f39)
1475. [func] sebschrader
Add authoritative feature for DHCPv4 from ISC DHCP: requests from
unknown clients are dropped (default/previous behavior) or
answered with DHCPNAK (new behevior with new authoritative flag
set to true for the subnet). Patch proposed by Sebastian
(Gitlab #66, !115, git 0fc1b767826f214475025d8631227970de368de5)
1474. [doc] godfryd
Updated list of supported operating systems.
(Gitlab #205, !109, git 73253af554cf48434798282f8440a99b1494fd04)
1473. [doc] tomek
Outdated FAQ section removed from the User's Guide.
(Gitlab #118, !113, git 7d079384bd5f49e0e36a571ee964bfd7d6ebd25d)
1472. [bug] marcin
Timeout is now reported by the HTTP client when connecting to
takes too long. This eliminates HTTP client hangs when firewall
is misconfigured and causes connection to never be established.
This issue was found during Kea High Availability testing.
(Gitlab #26,!106, git 9724823f160af0ef5e8ccdf779087ff08a04457a)
1471. [bug] lmasarati
Fixed a bug in kea-admin that ignored specified remote hostname.
Thank you to lmasarati and Thorsten Krohn for reporting it and
proposing a patch!
(Gitlab #61, #138, !114, git
1470. [func] marcin
Improved lease database synchronization mechanisms in High
Availability hooks library. The new implementation uses
lease4-get-page and lease6-get-page commands to fetch leases
from the partner server. This prevents timeouts occurring
during long synchronizations as well as decreases CPU and
memory consumption on the HA enabled servers during lease
(Gitlab #78,!85, git c54ea216463dcc6df693c96c4a5f82c0fbec2ff6)
1469. [doc] marcin, fdupont
Documented new class_cmds premium library which is used
to modify client class configuration of the DHCP servers.
(Gitlab #64,!41, git c1c1d0b71496d81b330a8c1eb95996bbf634ada0)
1468. [build] wlodek
make distcheck fix.
(Gitlab #202, !111, git 5d8fb5f7af5fa36f4cb2b89f10631683b2e230d5)
1467. [doc] fdupont, tomek
Doxygen errors fixed.
(Gitlab #180,!93, git d12fb04d71c3b2d0e84ebb2c957334454b5705c4)
1466. [func] fdupont
Added random number generation in services provided by
the crypto library (and ultimately by the crypto backend,
i.e. Botan or OpenSSL).
(Gitlab #29,!9, git 609ddc69613dc828b3d93673d61a2c259c3944aa)
1465. [build] marcin
Removed libkea-process dependency on MySQL, Postgres and
(Gitlab #194,!104, git bcce7d3c2226c10218d537c4688344c3b7f8c84a)
1464. [build] marcin
Exclude mysql_cb hooks library from the Kea 1.5.0 release. This
library will be added back in Kea 1.6.0 release.
(Gitlab #93,!105, git 49572aa300ea2b25712d7e8cea0dd0df34faf7ee)
1463. [bug] tmark
Added missing parsing logic for the reservation-mode value,
"global", to kea-dhcp6. The parsing logic was somehow omitted
and caused kea-dhcp6 configuration parsing to fail on values
(Gitlab #129,!55, git 00352d701f61274f0993b468a413af6c5623af3d)
1462. [build,doc] tomek,sgoldlust,vicky
Kea REST API is now documented. Thanks to Suzanne Goldlust for
providing descriptions for great majority of commands and to
Vicky Risk for review and corrections. Also, docgen, a new
tool for documentation generation has been written.
(Gitlab #10,!3, git 5d2e4d6fcc182a19eafa895abc35b1aee599fd23)
1461. [doc] marcin, fdupont
Added new sample configurations providing all parameters at
the exception of host reservations for DHCPv4 and DHCPv6 servers
for testing of configuration managers.
(Gitlab #130,!89, git 4bc7e0dbe4804f63c51d100a8f724327e3d3a936)
1460. [func] tmark
While kea-dhcp4 and kea-dhcp6 configuration parsing supports
configuration backend elements "server-tag" and "config-control",
use of these parameters has been disabled. Developement of this
feature will resume after Kea 1.5 release.
(Gitlab #101,!87, git 4292a7ef7ab268826f846812e7320e1fe1fc46ef)
1459. [func] marcin
Implemented libdhcp_mysql_cb hooks library which provides
Configuration Backend functionality for MySQL.
(Gitlab #93, git 98456608056b3361352b3127767138845eeb5d00)
1458. [func] fdupont
Control sockets for kea-netconf has been implemented. The code is
not functional yet, but the capability of the kea-netconf daemon
to communicate with CA, D2, DHCPv4 and DHCPv6 daemons is there.
(Gitlab #153,!60, git 11486e255aef704114645f8e7c5fee9c3abf9e76)
1457. [func] tmark
Both kea-dhcp4 and kea-dhcp6 configuration parsing support new,
server-level configuration elements "server-tag" and
"config-control". While these elements will parse, they
are not yet used by the servers.
(Gitlab #32,!23, git c0727407da8d749d9fb51d873a725369800c967b)
1456. [build] tomek
Extended Kea version is now stored in a separate file for
build performance reasons.
(Gitlab #137,!42, git 87479e979ca3d3025cb4129ace991a59e32e0f62)
1455. [func] fdupont
Implemented hexstring(value, separator) operator that can be used
in any expression, such as client classification, flex-id or
(Gitlab #67,!34, git 004d9a29db09b1c203c52e23585bd275c52095fa)
1454. [func] fdupont
Unused interface-id and rapid-commit parameters removed from
(Gitlab #116,!24, git 7e47292f10acb9179241c991d3591e9bfa47c37d)
1453. [func] marcin
Updated MySQL schema to facilitate Kea Configuration Backend
(Gitlab #89,!22, git e28c0c7b3e7a7729167cdad993f634ed1f0ac53b)
1452. [func] marcin
Implemented libkea-cb library which includes basic class
hierarchy for the Kea Configuration Backend.
(Gitlab #28,!20, git fb5c031ecaf4182e56f62874e9a6bd4c1d755a77)
1451. [build] tmark
Resolved a namespace issue with std::distance() in libdhcp++.cc
when building with Boost 1.68. Thanks to Huy Vu and Khem Raj
for reporting and suggesting a fix.
(Gitlab #109,!21, git 1fd301f998129e9926ffa35eac27768ae150633d)
1450. [build] tomek
Dependencies improved. libkea-process no longer requires
As a result, D2 and CA are no longer linked with libkea-dhcpsrv.
(Gitlab #25,!14, git cdb3a6f2d98a303b80433df7e0d5698c77897b7f)
1449. [func] tmark
Modified Kea 1.5.0 database upgrade scripts to convert
subnet ID values of 0, to either null (MySQL and Postgres)
or 0xFFFFFFFF (CQL), in existing host reservations. This
is done to accomodate support for global host reservations.
(Gitlab #15,!11, git 25b54fd9ced4c6d3a2c8ceff9cc7c866b56da2c1)
1448. [build]* marcin
Created new Kea libraries: libkea-database, libkea-mysql,
libkea-pgsql and libkea-cql. Some database specific code was
moved from libkea-dhcpsrv to those new libraries.
(Gitlab #92,!13, git 5feb6b8a53675c27715e9e8fbeb312bd6eb17547)
1447. [doc] tmark
Updated Kea Administrators's Guide with discussions of the
use of subnet ID parameters in hook library commands.
(Gitlab #14,!15 git# 4a7da8069feab1e21132689a9368f8ccb4174683)
1446. [func] tmark
kea-dhcp6 now supports global host reservations and a new
global reservations-mode . Prior to this reservations could
only be specified per subnet. This is supported by by Memfile,
MySQL, PostgreSQL, and Cassandra host data sources.
(Gitlab #13,!6, git# a5484c4d8852662be7da1e6e8b1d4c1a19e6502f)
1445. [func] tomek
Implemented initial skeleton version of the kea-netconf tool.
Currently it can't do anything, but the build system is now
capable of detecting sysrepo (use --with-sysrepo in configure),
there's a very basic documentation and unit-tests.
(gitlab !1, git 89ff2093811d65220d99dc2a6516375c4ec953dc)
1444. [bug] tomek
keactrl version tests now work properly on macOS.
(Gitlab !5, git a8c385e1507ffd101f65b445783b0355b01decce)
1443. [func] tmark
kea-dhcp4 now supports global host reservations and a new
global reservations-mode . Prior to this reservations could
only be specified per subnet. This is supported by by Memfile,
MySQL,PostgreSQL,and Cassandra host data sources.
(Trac #5705, git f991cffd06add941f8bf2937232f51d597623e21)
1442. [func] MayyaSunil
Implemented new queries for IPv6 leases by DUID.
(Github #99, git c20b5248da1283e596e35ad057ae242f4d613965)
1441. [func] marcin
Added log message indicating that the control socket has been
opened by a server.
(Gitlab #8, git 3dbaf4917bea112466f1ee5726870c545950e114)
1440. [func] tmark
The internal represenation of an "unused" subnet-id has been
changed from zero to 0xFFFFFFFF. The largest, valid value for
a subnet's ID is now 0xFFFFFFFE. Three new constants have been
added so subnet_id.h:
which should be used in code/hooks in place of hard-coded values.
(Trac #5704, git 90fe9ca2cd6f63bcc7168bdc3786677db57b65ec)
1439. [func] tomek
keactrl and kea-admin tools can now report version.
(Gitlab #9, git 4a00ab5d4b9ac9193fc5f924149aeaca7a88e2ef)
1438. [func] tomek
subnet-id parameter is now optional in lease4-add, lease6-add,
lease4-update and lease6-update commands. If not specified or
its value is zero, Kea will attempt to figure out the correct
value of subnet-id. If there is no matching subnet configured,
the lease will be rejected.
(Trac #5683, git a8ce7a78b5b294e6bce02de887552a1e4593db4e)
1437. [func] tomek
DHCPv4 and DHCPv6 servers are now able to sanity check and
possibly correct some inconsistencies in leases when loaded from
disk (memfile). A new parameter to govern this behavior has been
(Trac #5682, git 609bfa0a67caa91fac6834eb39260acfd19e3be4)
1436. [func] tmark
Added two new configuration paramters to kea-dhcp4 and kea-dhcp6
DhcpDdns sections: 'hostname-char-set' and
These values (when not empty) are used by the server to sanitize
host name and FQDN domain names sent by clients prior to using
them to construct DNS names.
(Trac #5680, git 32466ab3d4688e66c8c2f9fd24d4a98fcc871ff6)
1435. [func] marcin
Implemented ha-continue command in HA hooks library and
updated the Kea User's Guide with the information how to
pause and resume the HA state machine.
(Trac #5675, git 98a9bd4f6766ff2f53681d84d55c56988be4d501)
1434. [func] MayyaSunil
Code added to support storage of Authentication key host
reservation. There is no way to use the code yet.
(Github #88, git 66602af46b1a7d9f4197b1f285c928bd9f80ba2b)
1433. [func] marcin
Implemented state HA state machine pausing in the high
availability hooks library.
(Trac #5674, git b9f3f082c7a88fe98fa4545b9649193ceb5e3ef5)
1432. [func] MayyaSunil
Code added to handle Authentication option in DHCPv6. There
is no way to use this code yet.
(Github #93, git 022dae4393da9e714678d52886d4f478ba308ba9)
1431. [func] marcin
Implemented lease4-get-page and lease6-get-page commands
in lease_cmds hooks library.
(Trac #5651, git b056828212f7b206ff8bd07c097fd6f427d22d71)
1430. [func] fdupont
Lease objects and lease backends are now able to store user
context. User context can store an arbitrary data as long
as it is in JSON format. Database schemas updated.
(Trac #5584, git b0b7a198b99fd417466708c80cb7cc2162ae480c)
1429. [bug] marcin
Removed memory leak in the DHCPv4 and DHCPv6 servers which
occurred when hooks libraries where loaded.
(Trac #5664, git 2584b902d2617089bfa7238133490ddd855aa77a)
1428. [bug] marcin
Corrected behavior of the standby server in the HA hot-standby
mode, which failed to monitor delays in responses to the
DHCP queries sent to the primary server after the primary
server became unavailable. This resulted in transition of
the standby server to the partner-down state immediately
after detecting interruption in communication with the
primary over the control channel.
(Trac #5654, git 7a83f05fe40fb1b6812b055e2d6d633d9e00160c)
Thank you again to everyone who assisted us in making this release
possible. If you would like to contribute to ISC to assist us in
continuing to make quality open source software, please visit our
donations page at https://www.isc.org/donate-to-isc/.
We look forward to receiving your feedback.
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