HP StorageWorks 8/8 Brocade Fabric OS Command Reference Guide v6.1.0 (53-10005 - Page 531
Runs test at 1 Gbps, 2 Gbps, and 4 Gbps., even ports to 1 Gbps.
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portLoopbackTest 2 Operands This command has the following operands: --slot number Specifies the slot number on which to run the diagnostics. The ports specified will be relative to this slot number. The default is set to 0 and designed to operate on fixed-port-count products. -nframes count Specifies the number of frames to send. The test progresses until the specified number of frames has been transmitted on each port. The default value is 10. -lb_mode mode Specifies the loopback mode for the test. By default, this test uses internal loopback. Valid values are as follows: 1 Port Loopback (loopback plugs) 2 External (SERDES) loopback 5 Internal (parallel) loopback -spd_mode mode Specifies the speed mode for the test. This parameter controls the speed at which each port is operated.The exact operation of speed modes 5 through 8 depends on the loopback mode selected. When speed modes 5 through 8 are used with cables, they must be connected even to odd or the test fails. 0 Runs test at 1 Gbps, 2 Gbps, and 4 Gbps. 1 Runs test at 1 Gbps (Not applicable to v6.x platforms). 2 Runs test at 2 Gbps (Not applicable to v6.x platforms). 4 Runs test at 4 Gbps (Condor default). For lb_mode set to 0 or 1, the following speed modes are available to test the speed negotiation: 3 Sets the speed on all even ports to autonegotiate; sets the speed on all odd ports to 1 Gbps. 4 Sets the speed on all even ports to autonegotiate; sets the speed on all odd ports to 2 Gbps. 5 Sets the speed on all odd ports to autonegotiate; sets the speed on all even ports to 1 Gbps. 6 Sets the speed on all odd ports to autonegotiate; sets the speed on all even ports to 2 Gbps. For lb_mode set to 2 or 3, the following speed modes are available to test FIFO underrun. 3,5 Sets the speed on all even ports to 2 Gbps; sets the speed on all odd ports to 1 Gbps. 4,6 Sets the speed on all even ports to 1 Gbps; sets the speed on all odd ports speed to 2 Gbps. -ports itemlist Specifies a list of blade ports to test. By default, all of the blade ports in the specified slot (--slot) are used. See itemList for more information on the itemlist parameter. Examples To run a functional test of a connection: switch:admin> portloopbacktest -ports 1/10-1/20 -nframes 1 -lb_mode 1 Running Port Loopback Test .... passed. Fabric OS Command Reference 505 53-1000599-02