diff --git a/netsim/ansible/templates/isis/junos.j2 b/netsim/ansible/templates/isis/junos.j2
index 74a2e6e93..d1695b1c7 100644
--- a/netsim/ansible/templates/isis/junos.j2
+++ b/netsim/ansible/templates/isis/junos.j2
@@ -8,6 +8,11 @@ protocols {
       ipv6-unicast;
     }
 {% endif %}
+{% for level in ['1','2'] if level not in isis.type|default('1-2') %}
+    level {{ level }} disable;
+{% endfor %}
+    level 1 wide-metrics-only;
+    level 2 wide-metrics-only;
     interface lo0.0;
 {% for l in interfaces|default([]) if 'isis' in l %}
     interface {{ l.ifname }} {