HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Command Reference Guide (AA - Page 501
External SERDES loopback, Set all even ports' speed for autonegotiate; set all odd ports
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Operands This command has the following operands: --slot number -nframes count -lb_mode mode -spd_mode mode -ports itemlist Specify the slot number on which the diagnostic will operate. 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. Specify the number of frames to send. The test will progress until the specified number of frames has been transmitted on each port. The default value is 10. Specify 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 Specify the speed mode for the test. This parameter is used only with Bloom and Condor ASIC-based products, where it controls the speed at which each port is operated. For 1 Gb/s-only products, it is ignored. The exact operation of speed modes 5 through 8 depends upon the loopback mode selected. When speed modes 5 through 8 are used with cables, they must be connected even to odd or the test will fail. 0 Runs test at 1 Gb/s, 2 Gb/s, and 4 Gb/s. 1 Runs test at 1 Gb/s. 2 Runs test at 2 Gb/s (Bloom default). 4 Runs test at 4 Gb/s (Condor default). For -lb_mode set to 0 or 1, the following speed modes are available to test the speed negotiation: 3 Set all even ports' speed for autonegotiate; set all odd ports' speed for 1 Gb/s. 4 Set all even ports' speed for autonegotiate; set all odd ports' speed for 2 Gb/s. 5 Set all odd ports' speed for autonegotiate; set all even ports' speed for 1 Gb/s. 6 Set all odd ports' speed for autonegotiate; set all even ports' speed for 2 Gb/s. For lbMode == 2,3 the following speed modes are available to test FIFO underrun. 3,5 Set all even ports' speed for 2 Gb/s; set all odd ports' speed for 1 Gb/s. 4,6 Set all even ports' speed for 1 Gb/s; set all odd ports' speed for 2 Gb/s. Specify a list of user ports to test. By default, all of the user ports in the current switch are tested. This option can be used to restrict testing to the specified ports. Examples To run a functional test of a connection: switch:admin> portloopbacktest -ports 1/38-1/45 -nframes 1 -lb_mode 1 Running Port Loopback Test .... passed. Fabric OS 5.x command reference guide 501