[Unit]
Description=IS-IS routing daemon
BindsTo=zebra.service
Wants=network.target
After=zebra.service network-pre.target
Before=network.target
ConditionPathExists=/etc/quagga/isisd.conf
Documentation=man:isisd

[Service]
Type=forking
ExecStartPre=-/bin/chmod -f 640 /etc/quagga/isisd.conf
ExecStartPre=-/bin/chown -f quagga:quagga /etc/quagga/isisd.conf
ExecStart=/usr/sbin/isisd -d -A 127.0.0.1 -f /etc/quagga/isisd.conf
Restart=on-abort

[Install]
WantedBy=multi-user.target