Two NE80E are connected through GE interface. They can interact ARP packet, but two NE80E cannot learn ARP entry of the peer. They cannot communicate.
Re-load paf and license file that match large package software version. And then NE80E can learn ARP entry of the peer and they can communicate.
The version of paf and license file of NE80E is different from that of large package, which influences the realization of much function of NE80E.