diff --git a/configs/ct/ct-noc-a8360-4-b.cfg b/configs/ct/ct-noc-a8360-4-b.cfg
index 97cf3ca..04e84ef 100644
--- a/configs/ct/ct-noc-a8360-4-b.cfg
+++ b/configs/ct/ct-noc-a8360-4-b.cfg
@@ -766,7 +766,7 @@ interface lag 2 multi-chassis
     no shutdown
     no routing
     vlan trunk native 699 tag
-    vlan trunk allowed 501,511
+    vlan trunk allowed 21,501,511
     lacp mode active
 interface lag 191 multi-chassis
     description MX-A ae191
@@ -887,6 +887,7 @@ interface 1/1/27
 interface 1/1/30
     description itc-mdf-a8360-sw2 C09P42
     no shutdown
+    mtu 9198
     lag 2
 interface 1/1/31
     description iLo Alpha LAG