diff --git a/apps/dbuf/values.yaml b/apps/dbuf/values.yaml
index e0289e2..8025e05 100644
--- a/apps/dbuf/values.yaml
+++ b/apps/dbuf/values.yaml
@@ -64,3 +64,4 @@
   # route the following subnets via sr-iov interface
   # route: 10.56.215.0/24,10.56.214.0/24
   route: ""
+  #vlan: