diff --git a/config-generator/netconfig.tpl b/config-generator/netconfig.tpl
index 62d175f..2885e5b 100644
--- a/config-generator/netconfig.tpl
+++ b/config-generator/netconfig.tpl
@@ -14,7 +14,7 @@
     },
     "hosts": {
         {{ range $index, $element := .Hosts }}{{ if $index }},
-        {{ end }}"{{ .Mac }}": {
+        {{ end }}"{{ .Mac }}/-1": {
             "ips": ["{{ range $ip := .IpAddresses }}{{ $ip }}{{ end }}"],
             "location": "{{ .Location.ElementID }}/{{ .Location.Port }}"
         }{{ end }}