added systemd unit

README.md

@@ -18,6 +18,27 @@
     sysctl -w net.ipv4.conf.all.arp_ignore=1
     
 See http://kb.linuxvirtualserver.org/wiki/Using_arp_announce/arp_ignore_to_disable_ARP
+
+### Systemd unit
+
+    [Unit]
+    Description=NetCombiner for interface %i
+    After=network-online.target
+
+    [Service]
+    Type=forking
+
+    ExecStartPre=/etc/netcombiner/%i.pre
+    ExecStart=/usr/local/sbin/netcombiner %i
+    ExecStartPost=/etc/netcombiner/%i.post
+
+    User=root
+    Group=root
+
+    Restart=always
+
+    [Install]
+    WantedBy=multi-user.target
     
 ### Setup Scripts
 These are functional setup scripts that make the application run as intended on Linux.