HP AE370A - Brocade 4Gb SAN Switch 4/12, Руководство администратора

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330 Administering Extended Fabrics
4/256 SAN Director (FC4-32 port blades)
The number of ports that can be configured at various distances is summarized in Table 76 .
4/256 SAN Director (B-Series MP Router blades)
For the B-Series MP Router blade, long distance settings are applicable only to the physical FC_Ports (ports
0-15). Long distance settings are not applicable to virtual FC_Ports (ports 16-31). The number of ports that
can be configured at various distances is summarized in Table 77 .
Configuring an extended ISL
Before configuring the ISL, ensure that the following conditions are met:
• Extended ISL support for HP StorageWorks 1 GB switches is limited as follows:
• Extended ISLs are not supported between HP StorageWorks 1 GB switches.
• To support extended ISLs between HP StorageWorks 1 GB switches, the
fabric.ops.mode.longDistance
parameter must be set to 1 on all switches in the fabric.
Each switch must be disabled before setting this parameter.
• For fabrics that contain a mix of switch models, the
fabric.ops.mode.longDistance
parameter
must be set to 0 (the default). Under certain circumstances (for example, if you want extended distance
between Bloom-based switches) this mode needs to be enabled (set to 1) on switches running Fabric
OS v3.x or v4.x. Talk to your switch provider for details.
• The ports on both ends of the ISL must have the same configuration.
• Use only qualified SFPs.
Table 76 4/256 SAN Director (FC4-32 blades)
Speed
(Gbit/sec)
Number of Ports Allowed at Distance (km)
10 km
25 km 50 km 100 km 250 km 500 km
1 32 ports 32 ports 32 ports up to 26
ports
up to 10
ports
up to 4
ports
2 32 ports 32 ports up to 26
ports
up to 12
ports
up to 4
ports
0
4 32 ports up to 26
ports
up to 12
ports
up to 6
ports
0 0
Table 77 4/256 SAN Director (B-Series MP Router blades)
Speed
(Gbit/sec)
Number of ports allowed at distance (km)
10 km
25 km 50 km 100 km 250 km 500 km
1 16 ports 16 ports 16 ports up to 26
ports
6 ports 2 ports
2 16 ports 16 ports 8 ports up to 12
ports
2 ports N/A
4 16 ports 16 ports up to 12
ports
4 ports N/A N/A