[#553] Updated MT considerations

diff --git a/src/lib/dhcp/libdhcp++.dox b/src/lib/dhcp/libdhcp++.dox
index bd42ee5b1f3ef2b54ea13aadcd5b2ccdafcc567e..ef47dd7bd718742ba16443121dff7648f2119219 100644 (file)
--- a/src/lib/dhcp/libdhcp++.dox
+++ b/src/lib/dhcp/libdhcp++.dox
@@ -269,6 +269,9 @@ For instance packets or options are not thread safe. Exception are:
   socket is thread safe so one can for instance delete an external socket
   at any time).
 
+ - interface lookup cache is Kea thread safe (i.e. thread safe when the
+  multi-threading mode is true).
+
  - interface send method is thread safe (mainly because it does not change
   any internal state).