Hi Jan
N77-FCOE-xxx is a Module-Based Licenses for the Cisco Nexus 7000 Series
enabling FCoE
N77-SAN is a Feature-Based Licenses for the Cisco Nexus 7000 Series enabling
Inter-VSAN routing (IVR) over Fibre Channel and FCoE
IVR Network Address Translation (NAT) over Fibre Channel
VSAN-based Access Control
Fabric Binding for open systems
Nexus 7000 doesn't Support native FC, only FCoE ! most likely you only require N77-FCOE-xxx licenses
Walter.