Fibre Channel over IP (FCIP or FC/IP, also known as Fibre Channel tunneling or storage tunneling) is a protocol created by the (IETF) for storage technology. An FCIP entity encapsulates frames using segments and forwards them over an IP network to another FCIP entity which decapsulates them and restores the original FC frames. From the perspective of the IP stack, FCIP runs in the. From the perspective of the FC stack, F.