vtep: Document the meaning of VLAN zero for vlan_bindings

The meaning of a value of zero in the VLAN field when mapping <VLAN, port> pairs to logical switches had not previously been specified in the VTEP schema. It is now clarified that a value of zero refers to untagged traffic. Signed-off-by: Bruce Davie <[email protected]> Acked-by: Russell Bryant <[email protected]> Signed-off-by: Justin Pettit <[email protected]>
AndreMantas · Oct 1, 2015 · b49f5f7 · b49f5f7
1 parent 07bb41a
commit b49f5f7
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/vtep/vtep.xml b/vtep/vtep.xml
@@ -532,7 +532,9 @@
       Identifies how VLANs on the physical port are bound to logical switches.
       If, for example, the map contains a (VLAN, logical switch) pair, a packet
       that arrives on the port in the VLAN is considered to belong to the
-      paired logical switch.
+      paired logical switch. A value of zero in the VLAN field means
+      that untagged traffic on the physical port is mapped to the
+      logical switch.
     </column>
 
     <column name="vlan_stats">
@@ -541,7 +543,8 @@
       column with a mapping for every VLAN that is bound in <ref
       column="vlan_bindings"/>.  An implementation that does not support such
       statistics or only partially supports them would not populate this column
-      or partially populate it, respectively.
+      or partially populate it, respectively. A value of zero in the
+      VLAN field refers to untagged traffic on the physical port.
     </column>
 
     <group title="Identification">