diff --git a/tosca-configs/att-workflow/onf-mcord-pod1-olt.yaml b/tosca-configs/att-workflow/onf-mcord-pod1-olt.yaml
index ff462a1..94affc2 100755
--- a/tosca-configs/att-workflow/onf-mcord-pod1-olt.yaml
+++ b/tosca-configs/att-workflow/onf-mcord-pod1-olt.yaml
@@ -34,7 +34,7 @@
       properties:
         name: ONF OLT
         device_type: openolt
-        host: 10.90.0.114
+        host: 10.35.90.28
         port: 9191
         switch_datapath_id: of:0000000000000001
         switch_port: "2"
diff --git a/tosca-configs/att-workflow/onlab-pod1-edgecore.yaml b/tosca-configs/att-workflow/onlab-pod1-edgecore.yaml
index 8e0daf5..a4f4868 100755
--- a/tosca-configs/att-workflow/onlab-pod1-edgecore.yaml
+++ b/tosca-configs/att-workflow/onlab-pod1-edgecore.yaml
@@ -34,7 +34,7 @@
       properties:
         name: ONF OLT
         device_type: openolt
-        host: 10.90.0.114
+        host: 10.35.90.28
         port: 9191
         switch_datapath_id: of:0000000000000001
         switch_port: "1"
diff --git a/tosca-configs/att-workflow/onlab-pod1-olt.yaml b/tosca-configs/att-workflow/onlab-pod1-olt.yaml
index a36ba5d..8417304 100755
--- a/tosca-configs/att-workflow/onlab-pod1-olt.yaml
+++ b/tosca-configs/att-workflow/onlab-pod1-olt.yaml
@@ -35,7 +35,7 @@
       properties:
         name: ONF OLT
         device_type: openolt
-        host: 10.90.0.114
+        host: 10.35.90.28
         port: 9191
         switch_datapath_id: of:0000000000000001
         switch_port: "1"
diff --git a/tosca-configs/att-workflow/onlab-pod1-qa-olt.yaml b/tosca-configs/att-workflow/onlab-pod1-qa-olt.yaml
index 86f0004..d8fec1c 100755
--- a/tosca-configs/att-workflow/onlab-pod1-qa-olt.yaml
+++ b/tosca-configs/att-workflow/onlab-pod1-qa-olt.yaml
@@ -35,7 +35,7 @@
       properties:
         name: ONF OLT
         device_type: openolt
-        host: 10.90.0.114
+        host: 10.35.90.28
         port: 9191
         switch_datapath_id: of:0000000000000001
         switch_port: "1"
diff --git a/tosca-configs/att-workflow/onlab-pod1-voltha16-olt.yaml b/tosca-configs/att-workflow/onlab-pod1-voltha16-olt.yaml
index c0a33f9..6257dbf 100755
--- a/tosca-configs/att-workflow/onlab-pod1-voltha16-olt.yaml
+++ b/tosca-configs/att-workflow/onlab-pod1-voltha16-olt.yaml
@@ -34,7 +34,7 @@
       properties:
         name: ONF OLT
         device_type: openolt
-        host: 10.90.0.114
+        host: 10.35.90.28
         port: 9191
         switch_datapath_id: of:0000000000000001
         switch_port: "1"