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-rw-r--r--doc/sphinx/arm/dhcp4-srv.rst10
-rw-r--r--doc/sphinx/arm/dhcp6-srv.rst9
2 files changed, 19 insertions, 0 deletions
diff --git a/doc/sphinx/arm/dhcp4-srv.rst b/doc/sphinx/arm/dhcp4-srv.rst
index 41e2c261c2..37a8dd3f0e 100644
--- a/doc/sphinx/arm/dhcp4-srv.rst
+++ b/doc/sphinx/arm/dhcp4-srv.rst
@@ -3490,6 +3490,16 @@ DDNS-related parameters are split into two groups:
what has occurred. Specifying these values within ``dhcp-ddns`` is
deprecated and support for it will be removed.
+.. note::
+
+ Behavioral parameters that affect the FQDN are in-effect even in
+ if both ``enable-updates`` and ``ddns-send-updates`` are false. They
+ behave this way to support environments in which clients are responsible
+ for their own DNS updates. This applies to ``ddns-replace-client-name"``,
+ ``ddns-generated-prefix``, ``ddns-qualifying-suffix``, ``hostname-char-set``,
+ and ``hostname-char-replacement``.
+
+
The default configuration and values would appear as follows:
::
diff --git a/doc/sphinx/arm/dhcp6-srv.rst b/doc/sphinx/arm/dhcp6-srv.rst
index 14ee63a6da..7a63875ac6 100644
--- a/doc/sphinx/arm/dhcp6-srv.rst
+++ b/doc/sphinx/arm/dhcp6-srv.rst
@@ -3237,6 +3237,15 @@ DDNS-related parameters are split into two groups:
what has occurred. Specifying these values within ``dhcp-ddns`` is
deprecated and support for it will be removed.
+.. note::
+
+ Behavioral parameters that affect the FQDN are in-effect even in
+ if both ``enable-updates`` and ``ddns-send-updates`` are false. They
+ behave this way to support environments in which clients are responsible
+ for their own DNS updates. This applies to ``ddns-replace-client-name"``,
+ ``ddns-generated-prefix``, ``ddns-qualifying-suffix``, ``hostname-char-set``,
+ and ``hostname-char-replacement``.
+
The default configuration and values would appear as follows:
::