diff --git a/configuration/bridging-unicast.rst b/configuration/bridging-unicast.rst
index 7a590f9..d5f5e10 100644
--- a/configuration/bridging-unicast.rst
+++ b/configuration/bridging-unicast.rst
@@ -161,6 +161,9 @@
       }
     }
 
+.. note::
+    There is a known issue that breaks dynamic VLAN configuration.
+    Until the issue get resolved, you need to restart the switch agent to reinstall the flows.
 
 IPv6 Router Advertisement
 -------------------------
@@ -218,6 +221,12 @@
   Once “raGlobalPrefixConfStatus” is enabled, RA prefix option is generated
   from port configuration of device, see for more details.
 
+To set the options, following the command (example for raOptionPrefixStatus)
+
+.. code-block:: console
+
+  onos> cfg set org.onosproject.ra.RouterAdvertisementManager raOptionPrefixStatus true
+
 Prefix details are picked up from network interface configuration.
 
 RA app will filter out link-local IPs while preparing prefixes.
@@ -233,8 +242,7 @@
           "interfaces": [{
             "ips": [ "192.168.114.1/24", "2001:0558:FF10:04C9::2:1ff/120", "FE80::4EA8:2AFF:FE24:8E5F/120" ],
             "vlan-untagged": "11",
-            "name": "18-15",
-            "mac": "8c:ea:1b:67:24:90"
+            "name": "18-15"
           }]
         }
       }