462 Fabric OS Administrator’s Guide
53-1002446-01
Buffer credit management
23
Maximum configurable distances for Extended Fabrics
Table 80 shows the maximum supported extended distances (in kilometers) that can be configured
for one port on a specific switch or blade at different speeds.
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.
QoS requires an additional 20 buffer credits per active port so maximum supported distances may
be lower.
TABLE 80 Configurable distances for Extended Fabrics
Maximum distances (km) that can be configured assuming 2112 Byte Frame Size
Switch/blade model 2 Gbps 4 Gbps 8 Gbps 10 Gbps 16 Gbps
300 486 243 121 N/A N/A
5100 1694 847 423 N/A N/A
5300 294 147 73 N/A N/A
5410 582 291 145.5 N/A N/A
5424 486 243 121.5 N/A N/A
5450 470 235 117.5 N/A N/A
5480 486 243 121.5 N/A N/A
6505 7904 3952 1976 1580 988
6510 7712 3856 1928 1542 964
7800 410 205 102 N/A N/A
8000 *** Extended Fabrics is not supported on this switch ***
VA-40FC 1694 847 423 N/A N/A
Brocade Encryption Switch 1392 696 348 N/A N/A
FC8-16 1294 647 323 N/A N/A
FC8-32 1294 647 323 N/A N/A
FC8-32E 5508 2754 1377 1101 688
FC8-48 1230 615 307 N/A N/A
FC8-48E 4964 2482 1241 992 620
FC8-64 *** Extended Fabrics is not supported on this blade ***
FC16-32 5508 2754 1377 1101 688
FC16-48 4964 2482 1241 992 620
FC10-6 See the Note at the end of this table for information about this blade.
FR4-18i 250 100 N/A N/A N/A
FS8-18 1604 802 401 N/A N/A
FX8-24 1062 531 265 N/A N/A
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