Fabric OS Native and Access Gateway modes
The SAN48B-5 can function in either Fabric OS Native mode or Access Gateway
mode. The switch is shipped in Fabric OS Native mode by default.
v You can enable Access Gateway mode using Fabric OS commands or Web Tools.
v When you enable Access Gateway, you can use the default F_Port-to-N_Port
mappings or change this mapping using command line interface (CLI) or Web
Tools, after you configure an IP address using instructions in “Setting the switch
IP address” on page 15.
v Access Gateway simplifies SAN deployment by using N_Port ID Virtualization
(NPIV). NPIV provides Fibre Channel switch functions that improve switch
scalability, manageability, and interoperability. For more information on Access
Gateway, refer to the following:
– For a list of F_Ports mapped to N_Ports by default, refer to “Access Gateway
default port mapping” on page 40.
– For general information and details on using Access Gateway, refer to the
Access Gateway Administrator’s Guide.
– For specific instructions to prepare the edge fabric before connecting it to
Access Gateway (since Access Gateway relies on NPIV technology for its
connection to the edge fabric), refer to the Access Gateway Administrator’s Guide
Note: Access Gateway cannot be connected directly into an array. It requires a
fabric to support NPIV.
v Fabric OS features available to the switch depend on whether the switch is
configured in Access Gateway or Fabric OS Native mode. For a list of available
features for each mode, refer to the Access Gateway Administrator’s Guide.
v In Access Gateway mode, cascading is not available for the SAN48B-5. Refer to
the latest Access Gateway Administrator’s Guide for details on any other
restrictions specific to the SAN48B-5.
v In Fabric OS Native mode, the switch provides up to eight external Fibre
Channel ports. These universal and self-configuring ports are capable of
becoming one of the following port types:
– F_Port (fabric enabled)
– FL_Port (fabric loop enabled)
– E_Port (expansion port)
– M_Port (mirror port)
v In Access Gateway mode, the switch also provides up to eight external Fibre
Channel ports. However, these ports are configured as N_Ports, and you cannot
reconfigure these as any other port type.
Disabling and enabling Access Gateway mode
This section provides steps to disable and enable Access Gateway mode using
Fabric OS commands. For more information on using these commands, refer to the
“Enabling and disabling Access Gateway mode” section in the Access Gateway
Administrator’s Guide or the Fabric OS Administrator’s Guide.
Note: You can also disable and enable Access Gateway mode using Web Tools. See
the Web Tools Administrator’s Guide for more information.
Enabling Access Gateway mode
Note the following when enabling Access Gateway (AG) mode:
Chapter 2. Installing and configuring the switch 21
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