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Address Resolution: Option 2 SendFrom IPb to IPa IPb creates ARP/ND packet with local hardware address of : [RC|UC]:FFFFFF:GIDb A bit indicates RC or UC to let the peer know of the transmitter’s view of the subnet. IPa receives the packet Determine PathRecord to GIDb (same as for IPoIB-UD) Creates QPc of type RC/UC as indicated may reuse existing QP Send reply with QPc and GIDa IPb now creates the IB connection to the peer Service ID of: 1:QPc:0:0:0:0:0:0 IPa updates ARP/ND entry with QP value received in IB connection |