Add iperf3 server service.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iperf3/server/files/iperf3.service	Fri Dec 11 07:08:41 2020 -0600
@@ -0,0 +1,10 @@
+[Unit]
+Description=iperf3
+Requires=network.target
+
+[Service]
+ExecStart=/usr/bin/iperf3 -s
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iperf3/server/handlers/main.yaml	Fri Dec 11 07:08:41 2020 -0600
@@ -0,0 +1,5 @@
+---
+
+- name: restart iperf3
+  become: yes
+  systemd: name="iperf3.service" state="restarted" daemon_reload="yes"
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iperf3/server/tasks/main.yaml	Fri Dec 11 07:08:41 2020 -0600
@@ -0,0 +1,17 @@
+---
+
+- name: apt install iperf3
+  become: yes
+  apt: name="iperf3"
+
+- name: install iperf3 service
+  become: yes
+  copy:
+    src: "iperf3.service"
+    dest: "/lib/systemd/system/iperf3.service"
+    mode: "0644"
+  notify: restart iperf3
+
+- name: ensure iperf3 is started
+  become: yes
+  systemd: service="iperf3.service" enabled="yes" state="started" daemon_reload="yes"