452 Fabric OS Administrator’s Guide
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Buffer credit management

20

Maximum configurable distances for Extended Fabrics

Table 93 shows the maximum supported extended distances (in kilometers) that can be configured

for one port on a specific switch or blade at different speeds.

NOTE

The 10 Gbps FC10-6 blade has two port groups of three ports each. For extended ISLs, all buffers

available to a group are used to support one port at up to 100 km.

TABLE 93 Configurable distances for Extended Fabrics
Maximum distances (km) that can be configured assuming 2112 Byte Frame Size
Switch/blade model 1 Gbps 2 Gbps 4 Gbps 8 Gbps
300 972 486 243 121
4100/5000 500 250 100 N/A
4900 500 250 100 N/A
5100 3388 1694 847 423
5300 588 294 147 73
5410 1164 582 291 145.5
5424 972 486 243 121.5
5450 940 470 235 117.5
5480 972 486 243 121.5
7500 500 250 100 N/A
7600 500 250 100 N/A
7800 822 410 205 102
VA-40FC 3388 1694 847 423
Brocade Encryption Switch 2784 1392 696 348
FA4-18 500 250 100 N/A
FC4-16 500 250 100 N/A
FC4-16IP 500 250 100 N/A
FC4-32 500 250 100 N/A
FC4-48 500 250 100 N/A
FC8-16 2589 / 2781 1294 / 1390 647 / 695 323 / 347
FC8-32 2589 / 3277 1294 / 1638 647 / 819 323 /409
FC8-48 2461 / 3149 1230 / 1574 615 / 787 307 / 393
FC10-6 See the Note at the end of this table for information about this blade.
FR4-18i 500 250 100 N/A
FS8-18 3208 1604 802 401
FX8-24 2125 1062 531 265