You can display the entire IB topology as learned by the switch, including all devices in the fabric, both EDR and QDR.
# show diagnostics ib-topo
For example:
#show diagnostics ib-topo TCA 0x0 Oracle Leaf_00 vTC 10e08b53a90101 1 10e08b53a90102 11 10e08b53a903ff 38 ACTIVE (Qdr) TCA:leaf_01-0/38 IB Subnet Topology: 7 HCAs, 8 TCAs, 9 switches Type hwMode Name Node Guid Port Port Guid Lid Neighbor(guid, port) OperState portName --------------------------------------------------------------------------------------------------------------------------- HCA 0x0 nsn178-32 2c9030057b4dc 2 2c9030057b4de 36 10e08b53a903ff 21 ACTIVE (Qdr) leaf_01:ServerPort20 HCA 0x0 nsn178-42 10e08508ac0004 1 10e08508ac0005 5 10e08508ac0001 2 ACTIVE (EDR) OSDN on nsn178-42 TCA 0x0 Oracle Spine_Main_ 10e08508ad0107 1 10e08508ad0108 6 10e08508ad03ff 40 ACTIVE (Qdr) TCA:nsn178-42-0/40 TCA 0x0 Oracle Spine_Main_ 10e08508ad010a 1 10e08508ad010b 7 10e08508ad03ff 41 ACTIVE (Qdr) TCA:nsn178-42-0/41 HCA 0x0 nsn178-76 10e085095a0004 1 10e085095a0005 30 10e085095a0001 2 ACTIVE (EDR) OSDN on nsn178-76