HP StorageWorks MSA 2/8 HP StorageWorks Fabric OS V3.1.x/4.1.x Reference Guide - Page 542
Description V4.1.x
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Fabric OS Commands "long" for level 2 long distance. In the switchShow output, the format is Lx, where x is the long distance level number, except for level 0, which is not displayed in switchShow. The vc_translation_link_init operand only applies to long distance setup, it does not affect normal link. It is added to ensure the long distance link initialization sequence. It is not required for long distance, but may be useful when initiating L1 and L2 links. Note: The Extended Fabrics license key is required to use the full functionality of this command. Refer to the HP StorageWorks Extended Fabric Version 3.1.x/4.1.x User Guide for more information. Description V4.1.x Use this command to allocate enough full size frame buffers on a particular port to support a long distance link up to 100km. The port can only be used as an E_Port. The configuration is saved in the non-volatile memory and is persistent across switch reboot or power cycle. The value of distance_level can be one of the following (the numerical value representing each distance_level is shown in parentheses): ■ L0 (0): Re-configure the port to be a regular switch port. The number of buffers reserved for the port supports up to 10km links. ■ L0.5: Level 0.5 (switchshow and portcfgshow show two letter code as LM) long distance, up to 25km. A total of 15 or 30 full size frame buffers will be reserved for the port at speeds of 1 Gbit/sec and 2 Gbit/sec respectively. ■ L1 (1): Level one long distance, up to 50km. A total of 24 or 50 full size frame buffers will be reserved for the port at speeds of 1 Gbit/sec and 2 Gbit/sec respectively. ■ L2 (2): Level two long distance, up to 100km. A total of 58 or 63 full size frame buffers will be reserved for the port at speeds of 1 Gbit/sec and 2 Gbit/sec respectively. ■ LE (3): Level E mode is for E ports for distances beyond 5km and up to 10km especially for 2G link speeds. A total of 7 or 13 full size frame buffers will be reserved for the port at speeds of 1 Gbit/sec and 2 Gbit/sec respectively. LE does not require extended fabric license. 542 Fabric OS Version 3.1.x/4.1.x Reference Guide
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