HP AM866A Brocade Fabric OS Troubleshooting and Diagnostics Guide v6.3.0 (53-1 - Page 46
Testing a port’s external transmit and receive path, Testing a switch’s internal components
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3 Media-related issues TABLE 6 Test name portTest Component test descriptions Operands [-ports itemlist] [-iteration count] [-userdelay time] [-timeout time] [-pattern pattern] [-patsize size] [-seed seed] [-listtype porttype] spinFab [-nmegs count] [-ports itemlist] [-setfail mode] Checks Used to isolate problems to a single replaceable element and isolate problems to near-end terminal equipment, far-end terminal equipment, or transmission line. Diagnostics can be executed every day or on demand. Tests switch-to-switch ISL cabling and trunk group operations. The following procedures are for checking switch-specific components. Testing a port's external transmit and receive path 1. Connect to the switch and log in as admin. 2. Connect the port you want to test to any other switch port with the cable you want to test. 3. Enter the portLoopbackTest -lb_mode 2 command. Testing a switch's internal components 1. Connect to the switch and log in as admin. 2. Connect the port you want to test to any other switch port with the cable you want to test. 3. Enter the portLoopbackTest -lb_mode 5 command where 5 is the operand that causes the test to run on the internal switch components (this is a partial list-see the Fabric OS Command Reference for additional command information): [-nframes count]-Specify the number of frames to send. [-lb_mode mode]-Select the loopback point for the test. [-spd_mode mode]-Select the speed mode for the test. [-ports itemlist]-Specify a list of user ports to test. Testing components to and from the HBA 1. Connect to the switch and log in as admin. 2. Enter the portTest command (see the Fabric OS Command Reference for information on the command options). See Table 7 on page 33 for a list of additional tests that can be used to determine the switch components that are not functioning properly. See the Fabric OS Command Reference for additional command information. 32 Fabric OS Troubleshoot and Diagnostics Guide 53-1001340-01