From 9f095540537665152da13ce9795cc6346591fbe0 Mon Sep 17 00:00:00 2001
From: Jake Howard <git@theorangeone.net>
Date: Sun, 28 Jun 2020 17:35:49 +0100
Subject: [PATCH] Set some `sysctl` settings so zeroconf works for HA

https://stackoverflow.com/a/46890741
---
 ansible/roles/home-assistant/tasks/main.yml | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/ansible/roles/home-assistant/tasks/main.yml b/ansible/roles/home-assistant/tasks/main.yml
index 122cbe5..172e88f 100644
--- a/ansible/roles/home-assistant/tasks/main.yml
+++ b/ansible/roles/home-assistant/tasks/main.yml
@@ -32,6 +32,26 @@
   register: config_file
   become: true
 
+- name: Bump IGMP max memberships
+  sysctl:
+    name: net.ipv4.igmp_max_memberships
+    value: "40"
+    sysctl_set: yes
+    state: present
+    reload: yes
+    sysctl_file: /etc/sysctl.d/99-sysctl.conf
+  become: true
+
+- name: Bump IGMP max MSF
+  sysctl:
+    name: net.ipv4.igmp_max_msf
+    value: "20"
+    sysctl_set: yes
+    state: present
+    reload: yes
+    sysctl_file: /etc/sysctl.d/99-sysctl.conf
+  become: true
+
 - name: Cycle home-assistant container
   docker_compose:
     project_src: /opt/home-assistant