OH2.3 with KNX2 - not connecting to KNX Bus

just a note: when using KNXv1 and ROUTER type, the localIp setting should be the local IP (192.168.178.55)
If you want to set the multicast address use: ip=224.0.23.12 (this is optional)

What is the problem when using KNXv2 and ROUTER mode?