Services: Intrusion Detection - make a note about emulated mode as this is often a more stable solution when there are traffic issues with network cards / drivers.

source/manual/ips.rst

@@ -65,8 +65,10 @@ drop the packet that would have also been dropped by the firewall.
 
 .. Note::
 
-    IDS mode is available on almost all (virtual) network types. IPS mode is
-    *only* available with `supported physical adapters`_.
+    IDS mode is available on almost all (virtual) network types.
+    When your network card is not (fully) supported, you can set the tunable :code:`dev.netmap.admode` to the value :code:`2`
+    in which case emlated mode will be enforced (Configurable in :menuselection:`System --> Settings --> Tunables`). A list of natively
+    `supported physical adapters`_ is available in the FreeBSD man page.
 
 .. _RFC 1918: https://tools.ietf.org/html/rfc1918
 .. _supported physical adapters: https://www.freebsd.org/cgi/man.cgi?query=netmap&sektion=4&manpath=FreeBSD+12.1-RELEASE+and+Ports#SUPPORTED_DEVICES