# ZONE INTERFACE BROADCAST OPTIONS
<% node[:networking][:interfaces].each do |name,interface| -%>
-<% if interface[:family] == "inet" -%>
+<% if interface[:interface] && interface[:family] == "inet" -%>
<% if interface[:role] == "internal" -%>
loc <%= interface[:interface] %> detect nosmurfs,tcpflags
<% elsif interface[:role] == "external" -%>