diff --git a/defaults/main.yml b/defaults/main.yml
index efe7d5a..a872596 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -2,3 +2,26 @@
 # adivinar nombre de release debian, por defecto usar buster
 docker_target_release: "{{ ansible_distribution_release if \
 ansible_distribution_release|default('NA') != 'NA' else 'buster' }}"
+
+# configuracion de docker
+docker_config:
+
+  # red bridge (por defecto)
+  bip: 172.17.0.1/16
+
+  # otras redes (https://github.com/moby/moby/pull/29376)
+  default-address-pools:
+    # scope local: usar 172.20.subnet.host
+    - scope: local
+      base: 172.20.0.0/16
+      size: 24
+
+    # scope local: usar 192.168.subnet.host
+    - scope: local
+      base: 192.168.0.0/16
+      size: 24
+
+    # scope global: usar 10.sub.net.host
+    - scope: global
+      base: 10.0.0.0/8
+      size: 24
diff --git a/tasks/main.yml b/tasks/main.yml
index 17604d8..9f4958f 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -79,3 +79,10 @@
     sha256sum: 2bdab0bbf42583b4b77ee015cf908933c78f0572a7cb949a7dd8e200e6250221
     dest: /usr/local/bin/docker-compose
     mode: +x
+
+- name: Configuración de Docker
+  copy:
+    content: |
+      {{ docker_config | to_nice_json }}
+    dest: /etc/docker/daemon.json
+  notify: restart docker