HP StorageWorks Fabric OS 5.X Advanced Web Tools Administrator Guide (AA-RVHYB-TE, September 2005)

76 Administering extended fabrics
Figure 24 Extended Fabric tab
Configuring for long distance
When you configure a long-distance ISL, ensure that the ports on both sides of the ISL have the same
configuration, to avoid fabric segmentation.
Configuring a port for long-distance connection
1. Launch the Switch Admin module as described on page 36.
2. Click the Extended Fabric tab.
Table 9 Long-distance settings and license requirements
Value Description Extended fabric
license required?
L0 No long-distance setting is enabled. The maximum supported link
distance is 10 km, 5 km, or 2.5 km for ports at speeds of 1 Gbit/sec,
2 Gbit/sec, and 4 Gbit/sec, respectively.
No
LE Extended normal setting is enabled, 10 km (6 miles) or less. No
L0.5 Setting of 25 km (15.5 miles) or less is enabled. Yes
L1 Medium long-distance setting is enabled, 50 km (31 miles) or less. Yes
L2 Long-distance setting is enabled, 100 km (62 miles) or less. Yes
LD Dynamic setting is enabled. The LD-level link can operate at distances
up to 500 km at 1 Gbit/sec, 250 km at 2 Gbit/sec, or 125 km at 4
Gbit/sec, depending on the availability of frame buffers within the
port group.
Yes