diff --git a/netsim/extra/bonding/defaults.yml b/netsim/extra/bonding/defaults.yml
index d90f455be..6732164f2 100644
--- a/netsim/extra/bonding/defaults.yml
+++ b/netsim/extra/bonding/defaults.yml
@@ -13,11 +13,12 @@ devices:
 attributes:
   global:
     bonding:
-      mode: { type: str, valid_values: [ active-backup, balance-tlb, balance-alb ] }  # Linux bonding modes that use autonomous ports
+      # Subset of Linux bonding modes that use autonomous ports
+      mode: { type: str, valid_values: [ active-backup, balance-tlb, balance-alb ] }
   node:
     bonding:
-      mode: { type: str, valid_values: [ active-backup, balance-tlb, balance-alb ] }
+      mode:
   interface:
     bonding:
       ifindex: { type: int, min_value: 0, _required: True }
-      mode: { type: str, valid_values: [ active-backup, balance-tlb, balance-alb ] }
+      mode: { copy: global }