Dell Brocade 300 Fabric OS Troubleshooting and Diagnostics Guide v7.1.0 - Page 113
Using D_Port with HBAs, Disabling D_Port, Saving port mappings on an Access Gateway
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Diagnostic Port (D_Port) 10 7. To display a summary of the D_Port, use the portDportTest [slot/]port command with the - -show all operand. switch:admin> portdporttest --show all Port State SFP Capabilities Test Result 24 ONLINE E,O PASSED 26 ONLINE E,O RESPONDER 33 OFFLINE --- RESPONDER 8. Optional: If one of the switches reboots, or if the test does not complete on one of the switches, restart the test on both switches. Perform a portDportTest - -stop command and restart the test with the portDportTest - -start command on both switches. Disabling D_Port Use this procedure to disable the D_Port diagnostics session described above. 1. Disable Port 1 on Switch A by using the portDisable 1 [slot/]port command. switchA:admin> portdisable 1 2. Disable the D_Port on Port 1 on Switch A by using portCfgDport - -disable 1. switchA:admin> portcfgdport --disable 1 3. Repeat steps 1 and 2 for Port 2 on Switch B. switchB:admin> portdisable 2 switchB:admin> portcfgdport --disable 2 4. Enable Port 1 on Switch A by using the portEnable [slot/]port command. switchA:admin> portenable 1 5. Enable Port 2 on Switch B by using the portEnable [slot/]port command. switchB:admin> portenable 2 Saving port mappings on an Access Gateway Before configuring ports as D_Ports on a switch configured as an Access Gateway, you must remove N_Port-to-F_Port and device (WWN) mappings on the subject ports and device, However, Fabric OS commands are available to save N_Port mappings. Once you save them, you can display the saved N_Port mappings to reconfigure them after D_Port is disabled. A command is also available to delete saved N_Port mappings. NOTE For more details, refer to Chapter 2, "Configuring Ports in Access Gateway Mode," in the Access Gateway Administrator's Guide, as well as to the Fabric OS Command Reference. Using D_Port with HBAs When HBAs are used (see "Topology 4: HBA to switch" on page 95), D_Port mode initiates electrical loopback, optical loopback, and link traffic diagnostic tests on the link between the HBA and the connected switch port. Results can be viewed from the switch by means of Fabric OS commands and from the adapter by means of the Brocade Command Line Utility (BCU) and Brocade Host Connectivity Manager (HCM) during or after testing. Once in D_Port mode, the adapter port does not participate in fabric operations, log in to a remote device, or run data traffic. Fabric OS Troubleshooting and Diagnostics Guide 97 53-1002751-01