[Unit]
Description=Cluster Client Service
After=network.target cluster.socket
Requires=cluster.socket

[Service]
Type=simple
ExecStart=/path/to/client/node
TimeoutStopSec=30

[Install]
WantedBy=default.target

[Unit]
Description=Cluster Client Socket
PartOf=cluster.service

[Socket]
ListenDatagram=[FF02:FFFF::1]:20129

[Install]
WantedBy=sockets.target