bb_babel: disable rp_filter

roles/backbone_babel/tasks/main.yml

@@ -30,6 +30,11 @@
   ansible.builtin.include_tasks:
     file: loopback.yml
 
+- name: Disable rp_filter because of asymmetric routing
+  ansible.builtin.copy:
+    dest: /etc/sysctl.d/999-bb-babel-rp-filter.conf
+    content: 'net.ipv4.conf.all.rp_filter=0'
+
 - name: Create interface network config for peering interfaces
   ansible.builtin.template:
     src: peer.network.j2