[Unit]
Description=IS-IS routing daemon
BindTo=zebra.service
After=syslog.target network.target zebra.service
ConditionPathExists=/etc/quagga/isisd.conf

[Service]
Type=forking
EnvironmentFile=/etc/sysconfig/quagga
ExecStart=/usr/sbin/isisd -d $ISISD_OPTS -f /etc/quagga/isisd.conf
Restart=on-abort

[Install]
WantedBy=network.target