HP StorageWorks 4000/6000/8000 .HP StorageWorks SAN Design Reference Guide, Pa - Page 149

ISL maximums You can use all full-rate ports on all C-series Fibre Channel switches for ISLs, with a maximum of one half of the total ISL port count configured to the same destination switch. Table 51 lists the ISL maximums for switches with higher port counts. Table 51 ISL maximums Switch Total number of available user ports MDS 9xxx 48-port 8 Gb/s Host-Optimized Fibre Channel Switching Module 48 MDS 95xx 48-port 8 Gb/s Performance Fibre Channel Switching Module 48 MDS 95xx 24-port 8 Gb/s Fibre Channel Switching Module 24 MDS 9xxx 48-port 4 Gb/s Fibre Channel 48 Switching Module MDS 9xxx 24-port 4 Gb/s Fibre Channel 24 Switching Module MDS 9xxx 12-port 4 Gb/s Fibre Channel 12 Switching Module MDS 9020 20 MDS 9xxx 4-port 10 Gb/s Fibre Channel 4 Switching Module MDS 9xxx 32-port 2 Gb/s Fibre Channel 32 Switching Module MDS 9xxx 16-port 2 Gb/s Fibre Channel 16 Switching Module MDS 9xxx 14/2 Multiprotocol Services 14 Module MDS 9xxx 18/4 Multiservice Module 18 MDS 9120 20 Number of ports allowed as ISLs 48 at 1 Gb/s 48 at 2 Gb/s 24 at 4 Gb/s 48 at 1 Gb/s 24 at 2 Gb/s 12 at 4 Gb/s 20 at 4 Gb/s 4 at 10 Gb/s 8 at 2 Gb/s1 16 at 2 Gb/s 14 at 2 Gb/s 18 at 2 Gb/s 4 at 2 Gb/s1 MDS 9140 40 8 at 2 Gb/s1 MDS 9124 Fabric 24 MDS 9124e Fabric 8 MDS 9134 Fabric 34 1Three user ports must be disabled for each port configured as an ISL. 24 at 4 Gb/s 8 at 4 Gb/s 32 at 4 Gb/s 2 at 10 Gb/s SAN Design Reference Guide 149