HP StorageWorks 4/16 Brocade Fabric OS Command Reference Guide v6.1.0 (53-1000 - Page 723
wwn, This command has the following operands
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wwn 2 wwn Displays or sets the World Wide Name (WWN) of the switch. Synopsis wwn [-sn | name] Description Use this command to display or change the WWN associated with a switch and to display the switch serial number. All switches have a numeric address that is the unique Fibre Channel address used for communicating with the switch. Alternately, use switchShow to display the switch WWN. A WWN must have eight colon-separated fields, each consisting of one or two hexadecimal digits between 0 and ff. Spaces are not allowed. Changes made by this command require a switch reboot to take effect. You may defer rebooting the system. However, the switch must restart before any firmwareDownload or (for bladed systems) CP failover occurs; otherwise, the switch may behave in unexpected ways. Note This command should be used with caution. Features tied to the switch WWN, such as licenses, may no longer work after the WWN has been changed. The execution of this command is subject to Admin Domain restrictions that may be in place.Refer to chapter 1, "Understanding Admin Domain Restrictions" and Appendix A, "Command Availability" for details. Operands This command has the following operands: name Specifies the new World Wide Name for the switch. This operand is optional; if omitted, this command displays the current WWN. -sn Specifies that the switch serial number be printed following the current WWN. This operand is optional; if omitted, this command displays only the current WWN. Examples To display the switch WWN: switch:admin> wwn 10:00:00:60:69:00:54:e9 To change the switch WWN: switch:admin> wwn 10:00:ff:ff:ff:80:02:3c The switch must be rebooted for the new WWN to take effect. Reboot now? (yes, y, no, n): [yes] y Rebooting switch 0 ... [system reboots] To display the change: switch:admin> wwn 10:00:ff:ff:ff:80:02:3c Fabric OS Command Reference 697 53-1000599-02