diff --git a/defaults/main.yml b/defaults/main.yml
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+---
+# bird defaults/main.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+# Upstream docs:
+#  https://bird.network.cz/?get_doc&v=20&f=bird-6.html
+
+bird_conf_router_id: "{{ ansible_default_ipv4['address'] }}"
+
+# The preferred source address for outgoing packets
+# Has to be one of the IP addresses of the router
+bird_conf_krt_prefsrc: "{{ ansible_default_ipv4['address'] }}"
+
+# Define default protocols that enable synchronization of routings with OS kernel
+# scan for new network interfaces every 10 seconds,
+# and automatically generate device routes to all network interfaces.
+bird_conf_default_protocols:
+  kernel: "{{ bird_conf_protocol_kernel }}"
+  device: "{{ bird_conf_protocol_device }}"
+  direct: "{{ bird_conf_protocol_direct }}"
+  static: "{{ bird_conf_protocol_static }}"
+
+bird_conf_protocol_device: |
+  scan time 10;
+
+bird_conf_protocol_direct: |
+  interface "*";
+
+bird_conf_protocol_kernel: |
+  learn;
+  merge paths on;
+  export filter {
+         krt_prefsrc = {{ bird_conf_krt_prefsrc }};
+         accept;
+  };
+  import all;
+
+bird_conf_protocol_static: ""
+
+# Define a list of route filters
+# See README.md for the examples
+bird_conf_filters: {}
+
+# Define a list of templates
+# See README.md for the examples
+bird_conf_templates: []
+
+# Define a list of protocols
+# See README.md for the examples
+bird_conf_protocols: []