diff --git a/configs/ct/ct-noc-a8360-4-a.cfg b/configs/ct/ct-noc-a8360-4-a.cfg
index 22899d3..9499853 100644
--- a/configs/ct/ct-noc-a8360-4-a.cfg
+++ b/configs/ct/ct-noc-a8360-4-a.cfg
@@ -780,6 +780,12 @@ interface 1/1/1
     no routing
     vlan access 1299
     spanning-tree port-type admin-edge
+interface 1/1/19
+    description CC-ADVA-P5 Ring#9
+    no shutdown
+    no routing
+    vlan trunk native 1
+    vlan trunk allowed 509
 interface 1/1/25
     description MX-A_xe-0/0/0 C09U35 C09P01
     no shutdown