Enable ipv6 privacy extensions and build ipfw for dummynet.

ansible/roles/network/tasks/freebsd.yaml

@@ -42,12 +42,12 @@
     state: present
     sysctl_file: "/etc/sysctl.conf.local"
   loop:
-    []
-    # - name: net.inet6.ip6.accept_rtadv # Enable stateless autoconfiguration (SLAAC)
-    #   value: "1"
-    # - name: net.inet6.ip6.use_tempaddr # Enable privacy addresses
-    #   value: "1"
-    # - name: net.inet6.ip6.prefer_tempaddr # Prefer privacy addresses
+    - name: net.inet6.ip6.accept_rtadv # Enable stateless autoconfiguration (SLAAC)
+      value: "1"
+    - name: net.inet6.ip6.use_tempaddr # Enable privacy addresses
+      value: "1"
+    - name: net.inet6.ip6.prefer_tempaddr # Prefer privacy addresses
+      value: "1"
 
 - name: Install service configuration
   copy:

ansible/roles/network/tasks/linux.yaml

@@ -29,6 +29,26 @@
     - src: 10-wired.network
       dest: /etc/systemd/network/10-wired.network
 
+- name: Configure sysctls
+  sysctl:
+    name: "{{ item.name }}"
+    value: "{{ item.value }}"
+    state: present
+    sysctl_file: /etc/sysctl.d/{{ item.file }}
+  loop:
+    # Enable IPv6 Privacy Extensions
+    - name: net.ipv6.conf.all.use_tempaddr
+      value: 2
+      file: 40-ipv6.conf
+    # Enable IPv6 Privacy Extensions
+    - name: net.ipv6.conf.default.use_tempaddr
+      value: 2
+      file: 40-ipv6.conf
+    # Enable IPv6 Privacy Extensions
+    # - name: net.ipv6.conf.nic.use_tempaddr
+    #   value: 2
+    #   file: 40-ipv6.conf
+
 - name: Enable services
   systemd:
     enabled: yes