[3918] Documentation updated.

diff --git a/doc/guide/dhcp4-srv.xml b/doc/guide/dhcp4-srv.xml
index d38bebe38d8f812aea5696120003c5120b4fff21..d91b99c584b7495fcf302ea33c9c8007c939e7cd 100644 (file)
--- a/doc/guide/dhcp4-srv.xml
+++ b/doc/guide/dhcp4-srv.xml
@@ -2875,6 +2875,14 @@ temporarily override a list of interface names and listen on all interfaces.
 </screen>
       </para>
 
+      <para>
+        The total path is limited to the size of sun_path field of the
+        sockaddr_un structure of your system, decreased by one. That's 107 bytes
+        on Linux and 103 bytes on FreeBSD. Other systems are expected to have
+        similar limitations. Please check documentation of your operating system
+        for details. In case of failure, please specify shorter path.
+      </para>
+
       <para>
         Communication over control channel is conducted using JSON structures.
         See the Control Channel section in the Kea Developer's Guide for more details.

diff --git a/doc/guide/dhcp6-srv.xml b/doc/guide/dhcp6-srv.xml
index 113da5e3e4a53f289f1580e3a3ac08f0ed273c3d..a5237ca3f7d745d8bce6e26ba3496e33b429f068 100644 (file)
--- a/doc/guide/dhcp6-srv.xml
+++ b/doc/guide/dhcp6-srv.xml
@@ -2863,6 +2863,14 @@ should include options from the isc option space:
 </screen>
       </para>
 
+      <para>
+        The total path is limited to the size of sun_path field of the
+        sockaddr_un structure of your system, decreased by one. That's 107 bytes
+        on Linux and 103 bytes on FreeBSD. Other systems are expected to have
+        similar limitations. Please check documentation of your operating system
+        for details. In case of failure, please specify shorter path.
+      </para>
+
       <para>
         Communication over control channel is conducted using JSON structures.
         See the Control Channel section in the Kea Developer's Guide for more details.