A command is sent from the FIAC to the FIA to identify received {HEAD ~ FCoE frames} to replace {TAIL ~ the source} and destination Ethernet MAC addresses 
A command is sent from the FIAC to the FIA to identify received { HEAD ~ FCoE frames } to replace { TAIL ~ the source } and destination Ethernet MAC addresses
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH