HP A7533A HP StorageWorks Fabric OS 6.x administrator guide (5697-0015, May 20 - Page 371
Extended ISL modes: 3xxx switches Bloom and Bloom II ASICs - specs
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Table 82 lists the extended ISL modes for switches with Bloom-based ASICs. You can configure extended ISL modes with the portCfgLongDistance command when the Extended Fabrics license is activated. Table 82 Extended ISL modes: 3xxx switches (Bloom and Bloom II ASICs) Mode Buffer allocation Distance @ 1 1 Gbps 2 Gbps Gbps Distance @ 2 Gbps Earliest Fabric OS release Extended Fabrics license required? L0 5 (26)1 5 (26) 10 km 5 km All No LE 13 19 n/a 10 km 3.x, 4.x No LD2 Auto Auto Auto Auto Maximum is 200 km Maximum is 100 km 3.1.0, 4.1.0, Yes 4.4.0, 5.x (depending on the model) LS3 Based on Based on Based on Based on 5.1.0 Yes user-spec user-spec user-specified user-specified ified ified distance distance distance distance Maximum is 200 km Maximum is 100 km 1. For each data channel (in this case, there are 4) there are 5 credits, plus 6 extra credits. 2. The dynamic long-distance mode (LD) automatically configures the number of buffer credits required, based on the actual link distance. 3. The static long-distance mode (LS) allocates the number of buffer credits based on the user-specified distance. Fabric OS 6.x administrator guide 371
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