HP AE370A Brocade Web Tools Administrator's Guide v6.0.0 (53-1000606-01, April - Page 184
TABLE 10, Long Distance
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13 About extended link buffer allocation • Desired Distance (km)-Required for a port configured in LD or LS mode (see Table 10 on page 164), the desired distance, in kilometers, for the link. For an LD-mode link, the desired distance is used as the upper limit of the link distance to calculate buffer availability for other ports in the same port group. If the measured distance is more than the desired distance, the desired distance is used to allocate the buffers. In this case, the port operates in degraded mode instead being disabled due to insufficient buffers. For an LS-mode link, the actual distance is not measured; instead the desired distance is used to calculate the buffers required for the port. • Long Distance-Table 10 describes the long-distance settings and identifies which settings require a Brocade Extended Fabrics license. FIGURE 74 Extended Fabric tab For Brocade DCX Director, the slots for CP are not available. TABLE 10 Long-distance settings and license requirements Value Description Extended Fabrics License Required? L0 No long-distance setting is enabled. The maximum supported link distance is No 10 km, 5 km, or 2.5 km for ports at speeds of 1 Gbit/sec, 2 Gbit/sec, and 4 Gbit/sec, respectively. LE Extended normal setting is enabled, 10 km (6 miles) or less. No 164 Web Tools Administrator's Guide 53-1000606-01