diff --git a/defaults/maas.yml b/defaults/maas.yml
new file mode 100644
index 0000000..df932c8
--- /dev/null
+++ b/defaults/maas.yml
@@ -0,0 +1,17 @@
+parameters:
+  _param:
+    default_local_mirrror_content:
+      maas_mirror_image_sections:
+        bootloaders:
+          keyring: /usr/share/keyrings/ubuntu-cloudimage-keyring.gpg
+          upstream: ${_param:linux_system_repo_url}/maas-ephemeral-v3/
+          local_dir: /srv/http/${_param:mcp_version}/maas-ephemeral-v3/
+          count: 1
+          # i386 need for pxe
+          filters: ['arch~(i386|amd64)', 'os~(grub*|pxelinux*)']
+        xenial:
+          keyring: /usr/share/keyrings/ubuntu-cloudimage-keyring.gpg
+          upstream: ${_param:linux_system_repo_url}/maas-ephemeral-v3/
+          local_dir: /srv/http/${_param:mcp_version}/maas-ephemeral-v3/
+          count: 1
+          filters: ['release~(xenial)', 'arch~(amd64)', 'subarch~(generic|hwe-16*|ga-16*)']