HP Cisco MDS 9120 Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Rel - Page 22

New Features in Cisco MDS SAN-OS Release 3.1(3a) Send documentation comments to [email protected]. For complete configuration information about the CompactFlash CRC checksum test feature, refer to the Cisco MDS 9000 Family CLI Configuration Guide. For descriptions of new commands supported by the CompactFlash checksum feature, refer to the Cisco MDS 9000 Family Command Reference. System Default Port Mode F As of Cisco SAN-0S Release 3.1(3), a new CLI command allows you to globally change the mode of Fibre Channel ports whose default mode is Auto, while avoiding traffic disruption caused by the formation of unwanted inter-switch links (ISLs). The new system default switchport mode F command sets the administrative mode of ports to mode F, while switch operation remains graceful. No ports are flapped. This command changes the configuration to administrative mode F of the following ports: • All ports that are down and that are not out-of-service. • All F ports that are up, whose operational mode is F, and whose administrative mode is not F. This command does not affect the configuration of the following ports: • All user-configured ports, even if they are down. • All non-F ports that are up; however, if non-F ports are down, this command changes the administrative mode of those ports. Note To ensure that ports that are part of ISLs do not get changed to port mode F, configure the ports in port mode E, rather than in Auto mode. If you downgrade from Cisco MDS SAN-OS Release 3.1(3) to any earlier SAN-OS release after you execute the system default switchport mode F command, the ports retain the configuration that resulted from the execution of the command. In other words, the ports do not revert back to the mode they were in prior to executing the command. In addition, the system default switchport mode F command is not available in SAN-OS releases lower than Cisco SAN-OS Release 3.1(3a). For additional information, refer to the Cisco MDS 9000 Family CLI Configuration Guide and the Cisco MDS 9000 Family Command Reference. Changes in SAN Device Virtualization Cisco SAN-OS Release 3.1(3a) supports the following features of SAN Device Virtualization: • Virtual initiators • LUN zoning For additional information, refer to the Cisco MDS 9000 Family CLI Configuration Guide. User Interface Changes in Cisco Fabric Manager There are no changes in the user interface of Cisco Fabric Manager in Cisco SAN-OS Release 3.1(3a). Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.1(3a) 22 OL-12208-06