diff --git a/templates/fabric.intf.j2 b/templates/fabric.intf.j2
index 6f030eb..d9733e7 100644
--- a/templates/fabric.intf.j2
+++ b/templates/fabric.intf.j2
@@ -1,6 +1,6 @@
 {% for iface in interfaces | selectattr('name', 'match', '^lan') %}
 auto {{ iface.name }}
 iface {{ iface.name }}
-    mtu 9216
+    mtu {{ iface.mtu | default('9216', true) }}
 
 {% endfor %}