... | ... | @@ -4,9 +4,9 @@ Welcome to Kea 1.9.1, the second monthly release of the new 1.9 development bran |
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The most significant changes introduced in this version are:
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1. **Multiple MAC reservations for the same IP**. #1428
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1. **Multiple MAC reservations for the same IP**. Under normal circumstances having more than one reservation for the same IP may cause conflicts and thus Kea considers is a configuration error and doesn't allow it. However, in some deployments it is useful to have two reservations if some external constraints are added. For example, imagine a situation when a device has two interfaces, but at any given time only one of them will be connected. To enable this mode of operation, a new parameter ``ip-reservations-unique`` has been added. The default behavior remains unchanged. Multiple reservations are forbidden, unless explicitly allowed. #1428
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2. **DDNS improvements**. ddns-update-optimization #1385, update-conflict-detection #1386
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2. **DDNS improvements**. It is now possible to configure Kea to perform DNS Updates while client is renewing. Typically this is redundant as the DNS update done during initial client configuration is sufficient. However, if there were problems with the DNS (e.g. misconfigured TSIG keys or perhaps the server was down), it may be useful to turn on the new ``ddns-update-on-renew`` parameter. This will force updating all DNS records. After some time (roughly equal to your ``renewal-timer``), this will ensure that all records for current clients are there #1385. By default, Kea generates DHCID DNS records to keep a record in the DNS regarding who is the current owner of an address. When attempting to do updates, Kea and other software that implements Conflict Resolution protocol as defined in RFC4703, check for presence and content of the DHCID records. Kea can now be optionally told to ignore the records, using a new ``ddns-use-conflict-resolution`` parameter. The DHCID records still will be created, but their presence will not prevent Kea from overwriting older records #1386.
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3. HA hook with MySQL backend not working #1434
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