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1 Using Dual-Stack Mixed Mode (DSMM) with DDNS in ISC DHCP 4.4

Dual-Stack Mixed Mode (DSMM) operates under the premise that all DHCP servers supporting one protocol (v4 or v6) will use one DDNS update style (interim or standard) while all servers supporting the “other” protocol use the “other” update style. This…

2 Support in ISC DHCP for DDNS (Dynamic DNS) without zone statements

ISC DHCP 4.3 returns support for using DDNS without a zone statement in the patch for [RT #30461]. In 4.1 and earlier versions of ISC DHCP if the server was attempting to update the DNS with a name for which it didn't have a zone statement it would attempt…

3 ISC DHCP support for Standard DDNS

ISC DHCP 4.3 updates the DDNS code to be compliant with RFCs 4701, 4702, 4703 and 4361 [RT #21139]. Dynamic DNS update styles Over the years there have been three distinct styles for the DDNS code. The ddns-update-style option in the configuration file is…