diff --git a/configs/ct/ct-noc-a8360-4-b.cfg b/configs/ct/ct-noc-a8360-4-b.cfg
index 448d601..b6751ac 100644
--- a/configs/ct/ct-noc-a8360-4-b.cfg
+++ b/configs/ct/ct-noc-a8360-4-b.cfg
@@ -761,6 +761,12 @@ interface 1/1/25
     description MX-A_xe-2/0/1 C09U35 C09P25
     no shutdown
     lag 191
+interface 1/1/26
+    description CC-ADVA-Ring#9 C08Uxx C09P41
+    no shutdown
+    no routing
+    vlan trunk native 1
+    vlan trunk allowed 509
 interface 1/1/27
     description MX-B_xe-2/0/1 C10U35 C09P26
     no shutdown