diff --git a/libraries/helpers.rb b/libraries/helpers.rb
index 1a88499..aa7aadd 100644
--- a/libraries/helpers.rb
+++ b/libraries/helpers.rb
@@ -44,6 +44,8 @@ module ClientConfig
       state_dir: { kind_of: String },
       alloc_dir: { kind_of: String },
       servers: { kind_of: Array },
+      network_interface: { kind_of: String },
+      network_speed: { kind_of: Integer },
       node_id: { kind_of: String },
       node_class: { kind_of: String },
       meta: { kind_of: Hash },