Add a global config option for Docker network MTU

group_vars/matrix_servers

@@ -27,6 +27,9 @@ matrix_playbook_docker_installation_daemon_options_auto:
 
 matrix_playbook_docker_installation_daemon_options_custom: {}
 
+# Default MTU for Docker networks
+matrix_playbook_docker_network_mtu: 1500
+
 # Controls whether to attach Traefik labels to services.
 # This is separate from `devture_traefik_enabled`, because you may wish to disable Traefik installation by the playbook,
 # yet still use Traefik installed in another way.

roles/custom/matrix-alertmanager-receiver/tasks/install.yml

@@ -72,6 +72,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_alertmanager_receiver_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-alertmanager-receiver.service installed
   ansible.builtin.template:

roles/custom/matrix-appservice-draupnir-for-all/tasks/setup_install.yml

@@ -80,6 +80,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_appservice_draupnir_for_all_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-appservice-draupnir-for-all.service installed
   ansible.builtin.template:

roles/custom/matrix-bot-buscarron/tasks/setup_install.yml

@@ -97,6 +97,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_buscarron_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-buscarron.service restarted, if necessary
   ansible.builtin.service:

roles/custom/matrix-bot-chatgpt/tasks/install.yml

@@ -61,6 +61,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_chatgpt_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-chatgpt.service installed
   ansible.builtin.template:

roles/custom/matrix-bot-draupnir/tasks/setup_install.yml

@@ -75,6 +75,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_draupnir_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-draupnir.service installed
   ansible.builtin.template:

roles/custom/matrix-bot-go-neb/tasks/install.yml

@@ -48,6 +48,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_go_neb_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-go-neb.service installed
   ansible.builtin.template:

roles/custom/matrix-bot-honoroit/tasks/setup_install.yml

@@ -91,6 +91,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_honoroit_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-honoroit.service installed
   ansible.builtin.template:

roles/custom/matrix-bot-matrix-registration-bot/tasks/setup_install.yml

@@ -61,6 +61,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_matrix_registration_bot_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-matrix-registration-bot.service installed
   ansible.builtin.template:

roles/custom/matrix-bot-matrix-reminder-bot/tasks/setup_install.yml

@@ -89,6 +89,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_matrix_reminder_bot_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-matrix-reminder-bot.service installed
   ansible.builtin.template:

roles/custom/matrix-bot-maubot/tasks/setup_install.yml

@@ -75,6 +75,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_maubot_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-maubot.service installed
   ansible.builtin.template:

roles/custom/matrix-bot-mjolnir/tasks/setup_install.yml

@@ -64,6 +64,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_mjolnir_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-mjolnir.service installed
   ansible.builtin.template:

roles/custom/matrix-bot-postmoogle/tasks/setup_install.yml

@@ -84,6 +84,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_bot_postmoogle_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-bot-postmoogle.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-appservice-discord/tasks/setup_install.yml

@@ -109,6 +109,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_appservice_discord_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-appservice-discord.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-appservice-irc/tasks/setup_install.yml

@@ -193,6 +193,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_appservice_irc_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-appservice-irc.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-appservice-kakaotalk/tasks/setup_install.yml

@@ -102,6 +102,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_appservice_kakaotalk_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-appservice-kakaotalk-node.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-appservice-slack/tasks/setup_install.yml

@@ -87,6 +87,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_appservice_slack_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-appservice-slack support files installed
   ansible.builtin.template:

roles/custom/matrix-bridge-appservice-webhooks/tasks/setup_install.yml

@@ -86,6 +86,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_appservice_webhooks_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-appservice-webhooks support files installed
   ansible.builtin.template:

roles/custom/matrix-bridge-beeper-linkedin/tasks/setup_install.yml

@@ -88,6 +88,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_beeper_linkedin_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-beeper-linkedin.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-go-skype-bridge/tasks/setup_install.yml

@@ -131,6 +131,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_go_skype_bridge_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-go-skype-bridge.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-heisenbridge/tasks/setup_install.yml

@@ -44,6 +44,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_heisenbridge_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-heisenbridge.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-hookshot/tasks/setup_install.yml

@@ -112,6 +112,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_hookshot_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure mautrix-hookshot support files installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-discord/tasks/setup_install.yml

@@ -98,6 +98,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_discord_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-discord.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-facebook/tasks/setup_install.yml

@@ -128,6 +128,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_facebook_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-facebook.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-gmessages/tasks/setup_install.yml

@@ -147,6 +147,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_gmessages_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-gmessages.service restarted, if necessary
   ansible.builtin.service:

roles/custom/matrix-bridge-mautrix-googlechat/tasks/setup_install.yml

@@ -128,6 +128,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_googlechat_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-googlechat.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-hangouts/tasks/setup_install.yml

@@ -128,6 +128,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_hangouts_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-hangouts.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-instagram/tasks/setup_install.yml

@@ -80,6 +80,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_instagram_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-instagram.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-meta-instagram/tasks/install.yml

@@ -107,6 +107,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_meta_instagram_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure mautrix-meta-instagram.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-meta-messenger/tasks/install.yml

@@ -107,6 +107,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_meta_messenger_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure mautrix-meta-messenger.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-signal/tasks/setup_install.yml

@@ -141,6 +141,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_signal_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-signal.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-slack/tasks/setup_install.yml

@@ -98,6 +98,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_slack_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-slack.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-telegram/tasks/setup_install.yml

@@ -153,6 +153,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_telegram_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-telegram.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-twitter/tasks/setup_install.yml

@@ -82,6 +82,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_twitter_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-twitter.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-whatsapp/tasks/setup_install.yml

@@ -141,6 +141,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_whatsapp_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-whatsapp.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mautrix-wsproxy/tasks/setup_install.yml

@@ -96,6 +96,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mautrix_wsproxy_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mautrix-wsproxy.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mx-puppet-discord/tasks/setup_install.yml

@@ -117,6 +117,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mx_puppet_discord_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mx-puppet-discord.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mx-puppet-groupme/tasks/setup_install.yml

@@ -118,6 +118,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mx_puppet_groupme_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mx-puppet-groupme.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mx-puppet-instagram/tasks/setup_install.yml

@@ -97,6 +97,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mx_puppet_instagram_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mx-puppet-instagram.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mx-puppet-slack/tasks/setup_install.yml

@@ -128,6 +128,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mx_puppet_slack_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mx-puppet-slack.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mx-puppet-steam/tasks/setup_install.yml

@@ -118,6 +118,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mx_puppet_steam_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mx-puppet-steam.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-mx-puppet-twitter/tasks/setup_install.yml

@@ -128,6 +128,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_mx_puppet_twitter_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-mx-puppet-twitter.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-sms/tasks/setup_install.yml

@@ -51,6 +51,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_sms_bridge_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-sms-bridge.service installed
   ansible.builtin.template:

roles/custom/matrix-bridge-wechat/tasks/install.yml

@@ -113,6 +113,8 @@
   community.general.docker_network:
     name: "{{ matrix_wechat_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-wechat.service installed
   ansible.builtin.template:

roles/custom/matrix-cactus-comments-client/tasks/install.yml

@@ -76,6 +76,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_cactus_comments_client_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-cactus-comments-client.service installed
   ansible.builtin.template:

roles/custom/matrix-client-cinny/tasks/setup_install.yml

@@ -69,6 +69,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_client_cinny_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-client-cinny.service installed
   ansible.builtin.template:

roles/custom/matrix-client-element/tasks/setup_install.yml

@@ -103,6 +103,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_client_element_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-client-element.service installed
   ansible.builtin.template:

roles/custom/matrix-client-hydrogen/tasks/setup_install.yml

@@ -81,6 +81,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_client_hydrogen_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-client-hydrogen.service installed
   ansible.builtin.template:

roles/custom/matrix-client-schildichat/tasks/setup_install.yml

@@ -102,6 +102,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_client_schildichat_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-client-schildichat.service installed
   ansible.builtin.template:

roles/custom/matrix-conduit/tasks/setup_install.yml

@@ -39,6 +39,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_conduit_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure Conduit container image is pulled
   community.docker.docker_image:

roles/custom/matrix-corporal/tasks/setup_install.yml

@@ -71,6 +71,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_corporal_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-corporal.service installed
   ansible.builtin.template:

roles/custom/matrix-coturn/tasks/setup_install.yml

@@ -99,6 +99,8 @@
   community.docker.docker_network:
     name: "{{ matrix_coturn_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-coturn.service installed
   ansible.builtin.template:

roles/custom/matrix-dendrite/tasks/setup_install.yml

@@ -112,6 +112,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_dendrite_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure Dendrite support files installed
   ansible.builtin.template:

roles/custom/matrix-dimension/tasks/setup_install.yml

@@ -133,6 +133,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_dimension_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-dimension.service installed
   ansible.builtin.template:

roles/custom/matrix-dynamic-dns/tasks/setup_install.yml

@@ -61,6 +61,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_dynamic_dns_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-dynamic-dns.service installed
   ansible.builtin.template:

roles/custom/matrix-email2matrix/tasks/setup_install.yml

@@ -61,6 +61,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_email2matrix_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-email2matrix.service installed
   ansible.builtin.template:

roles/custom/matrix-ldap-registration-proxy/tasks/setup_install.yml

@@ -56,6 +56,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_ldap_registration_proxy_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-ldap-registration-proxy.service installed
   ansible.builtin.template:

roles/custom/matrix-ma1sd/tasks/setup_install.yml

@@ -137,6 +137,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_ma1sd_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-ma1sd.service installed
   ansible.builtin.template:

roles/custom/matrix-media-repo/tasks/setup_install.yml

@@ -139,6 +139,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_media_repo_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure media-repo service installed
   ansible.builtin.template:

roles/custom/matrix-pantalaimon/tasks/install.yml

@@ -59,6 +59,8 @@
   community.general.docker_network:
     name: "{{ matrix_pantalaimon_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-pantalaimon.service installed
   ansible.builtin.template:

roles/custom/matrix-prometheus-nginxlog-exporter/tasks/setup_install.yml

@@ -45,6 +45,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_prometheus_nginxlog_exporter_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-prometheus-nginxlog-exporter.service installed
   ansible.builtin.template:

roles/custom/matrix-rageshake/tasks/install.yml

@@ -70,6 +70,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_rageshake_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-rageshake.service installed
   ansible.builtin.template:

roles/custom/matrix-registration/tasks/setup_install.yml

@@ -112,6 +112,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_registration_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-registration.service installed
   ansible.builtin.template:

roles/custom/matrix-sliding-sync/tasks/install.yml

@@ -63,6 +63,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_sliding_sync_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-sliding-sync.service installed
   ansible.builtin.template:

roles/custom/matrix-static-files/tasks/install.yml

@@ -86,6 +86,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_static_files_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-static-files systemd service is installed
   ansible.builtin.template:

roles/custom/matrix-sygnal/tasks/install.yml

@@ -44,6 +44,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_sygnal_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-sygnal.service installed
   ansible.builtin.template:

roles/custom/matrix-synapse-admin/tasks/setup_install.yml

@@ -69,6 +69,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_synapse_admin_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-synapse-admin.service installed
   ansible.builtin.template:

roles/custom/matrix-synapse-auto-compressor/tasks/install.yml

@@ -81,6 +81,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_synapse_auto_compressor_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-synapse-auto-compressor systemd service and timer are installed
   ansible.builtin.template:

roles/custom/matrix-synapse-reverse-proxy-companion/tasks/setup_install.yml

@@ -44,6 +44,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_synapse_reverse_proxy_companion_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-synapse-reverse-proxy-companion.service installed
   ansible.builtin.template:

roles/custom/matrix-synapse-usage-exporter/tasks/setup_install.yml

@@ -69,6 +69,8 @@
   community.general.docker_network:
     name: "{{ matrix_synapse_usage_exporter_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure synapse-usage-exporter service installed
   ansible.builtin.template:

roles/custom/matrix-synapse/tasks/synapse/setup_install.yml

@@ -120,6 +120,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_synapse_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure Synapse support files installed
   ansible.builtin.template:

roles/custom/matrix-user-verification-service/tasks/setup_install.yml

@@ -60,6 +60,8 @@
     enable_ipv6: "{{ devture_systemd_docker_base_ipv6_enabled }}"
     name: "{{ matrix_user_verification_service_container_network }}"
     driver: bridge
+    driver_options:
+      com.docker.network.driver.mtu: "{{ matrix_playbook_docker_network_mtu }}"
 
 - name: Ensure matrix-user-verification-service.service installed
   ansible.builtin.template: