diff --git a/pcap/keep_alive.pcap b/pcap/keep_alive.pcap
new file mode 100644
index 0000000..3ae5b24
Binary files /dev/null and b/pcap/keep_alive.pcap differ
diff --git a/vg/Vagrantfile b/vg/Vagrantfile
index 0f06b10..5626829 100644
--- a/vg/Vagrantfile
+++ b/vg/Vagrantfile
@@ -1,7 +1,7 @@
 # -*- mode: ruby -*-
 # vi: set ft=ruby :
 #
-n_peer_nodes = 4
+n_peer_nodes = 2
 
 Vagrant.configure("2") do |config|
   config.vm.box = "generic/ubuntu2004"
@@ -27,7 +27,7 @@ Vagrant.configure("2") do |config|
       ansible.playbook = "playbooks/server_init.yml"
       ansible.become = true
       ansible.host_key_checking = false
-      ansible.verbose = "vvvvv"
+      ansible.verbose = "vv"
       ansible.extra_vars = {
         "n_peer_nodes" => n_peer_nodes 
       }
diff --git a/vg/playbooks/templates/peer_wg0.conf b/vg/playbooks/templates/peer_wg0.conf
index 7548f00..a0cbb8e 100644
--- a/vg/playbooks/templates/peer_wg0.conf
+++ b/vg/playbooks/templates/peer_wg0.conf
@@ -3,8 +3,10 @@
 [Interface]
 PrivateKey = {{ peer_node_private_key }} 
 Address = 10.6.0.{{ peer_ip }}/24
+ListenPort = 51820
 
 [Peer]
 PublicKey = {{ root_node_public_key }} 
 AllowedIPs = 10.6.0.0/24
 Endpoint = {{ root_node_public_ip }}:51820
+PersistentKeepalive = 10