diff --git a/apps/dbuf/values.yaml b/apps/dbuf/values.yaml
index 0373f03..2b3e261 100644
--- a/apps/dbuf/values.yaml
+++ b/apps/dbuf/values.yaml
@@ -24,6 +24,7 @@
   k8s.v1.cni.cncf.io/networks: dbuf-sriov@net0
 
 podSecurityContext: {}
+
 resources:
   requests:
     intel.com/intel_sriov_netdevice: "1"
@@ -63,3 +64,6 @@
   static:
     subnets: "10.56.217.0/24"
     gateway: "10.56.217.1"
+  # route the following subnets via sr-iov interface
+  # route: 10.56.215.0/24,10.56.214.0/24
+  route: ""