FAQ: add an entry for MAC learning + VLAN

Acked-by: Ben Pfaff <blp@nicira.com>
Acked-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>

diff --git a/FAQ b/FAQ
index 79d905d0b2a33dc3a47d888a44da8740a55cd897..c2520fca4ffdeddab9a9eb68bb2b900a4c66721e 100644 (file)
--- a/FAQ
+++ b/FAQ
@@ -1124,6 +1124,12 @@ A: Do you have a controller configured on br0 (as the commands above
    OpenFlow controller doesn't see the VLANs that I expect," and you
    can refer to the answer there for more information.
 
+Q: How MAC learning works with VLANs?
+
+A: Open vSwitch implements Independent VLAN Learning (IVL) for
+   OFPP_NORMAL action.  I.e. it logically has separate learning tables
+   for each VLANs.
+
 
 VXLANs
 -----