There are many options. 1) ping6 ff02::1%eth0 2) Advertise the device and it's services (such as ssh) via avahi. 3) Set a static address such as fe80::1 (lin

There are many options. 1) ping6 ff02::1%eth0 2) Advertise the device and it's services (such as ssh) via avahi. 3) Set a static address such as fe80::1 (link local), fd00::1 (ULA), or 2001::1 (your prefix).