1. initial setup : Default IP on LAN4 is in the range 169.254.0.0/255.255.0.0, hard to scan
2. Best is to use synology-assistant it can be downloaded from Synology web site, only for Wîndows! This tool will scan and find very fast the IP of the storage.

http://<ip>:5000/ you have to setup the new login and password

1. initial setup (hostname), and the latest OS DSM*.pat package is required
2. then setup bonding and networking

If you have to use High Availability, synchronization with automatic failover, download the package HighAvailability-broadwell and install it.

Then configure the cluster before doing something else, because it will format the volumes

If no cluster, the format yourself the volumes.

Then install additional packages from synology web site if required. Theses packages are installed on the volumes from cluster, all installed before setup of cluster are lost!

Example of Packages:

HyperBackup: backup to Cloud (S3, SoftLayer, Azure, DropBox...), rsync, remote NAS...
multiple Web servers: apache, Tomcat...

INFO You can connect to a Synology using ssh (enable the service in the web interface), connect using the admin login, and if needed witch to root: sudo -i (admin password will be asked)

HA require identical hardware: same disk size, same network adapters….