Dell PowerEdge M420 8/4 Gbps FC SAN Module Administrator's Guide - Page 80

B wwn Operands Examples Usually the Made on and Flash dates are the same, because the switch starts running flash firmware at power-on. However, in the time period between firmwareDownload and the next reboot, the dates can differ. none To display the firmware version information in a switch: switch:admin> version Kernel: 2.6.14.2 Fabric OS: v6.1.0 Made on: Wed Feb 13 06:59:17 2008 Flash: Thu Feb 14 18:38:31 2008 BootProm: 4.6.6 wwn Synopsis Description Note Operands Examples Displays the world wide name (WWN) and serial number of the switch. wwn [-sn ] Use this command to display the WWN associated with a switch and to display the switch serial number. The switch WWN is a 64-bit number that has eight colon-separated fields each consisting of one or two hexadecimal digits between 0 and ff. The switch WWN is a factory-set parameter that cannot be changed by the end user. The WWN is used as the license ID in many cases, but the only official string to be used for requesting licenses is the licenseidShow output. Alternately, use switchShow to display the switch WWN. In addition to the WWN, all switches have a unique 24-bit Fibre Channel address that is used for communicating with the switch. Use farbricShow to display the FC address in addition to the WWN. The execution of this command is subject to Virtual Fabric or Admin Domain restrictions that may be in place. Refer to "Understanding Virtual Fabric restrictions" on page 32 and "Understanding Admin Domain restrictions" on page 33 for details. This command has the following operands: -sn Displays the switch serial number following the current WWN. This operand is optional; if omitted, this command displays only the current WWN. To display the switch WWN: switch:admin> wwn 10:00:00:05:1e:41:5c:c1 To display the switch WWN and serial number: switch:admin:admin> wwn -sn WWN: 10:00:00:05:1e:41:5c:c1 SN: ALK0343C00Y 66 Dell 8/4Gbps FC SAN Module Administrator's Guide 53-1001345-01