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42 Visual manager user interface
Fibre Channel port configuration
When the Fibre Channel port is selected in Ports menu, the Fibre Channel Configuration screen is
displayed (see Figure 25).
Figure 25 Fibre Channel port 0 configuration settings screen
Fibre Channel port settings:
• Link Status indicates the port link status.
• Port Mode (default: N_Port) sets the port mode.
Port Mode settings:
• Auto Sense: In this mode, the Fibre Channel port tries to negotiate as a loop. If it is not successful,
then the Fibre Channel port negotiates as a fabric. If the port comes up as a loop, it then determines
whether it is on a private or public loop.
• N_Port: (default) This mode allows the interface card to bypass the loop negotiation and come up
as a fabric only. If the interface card is on a loop, and N_Port mode is selected, an error in
communication may occur.
• Use Hard AL_PA enables or disables Hard AL_PA usage.
• Hard AL_PA Settings displays the AL_PA Lookup Table.
Use the table to find the node number. This unique one-byte valid value (derived from an Arbitrated
Loop Topology defined in ANSI specification FC_AL version 4.5) is used for the Fibre Channel
configuration.
• Discovery Mode (default: Manual Discovery Only) determines how the interface card discovers new
Fibre Channel devices.
Discovery mode settings:
• Auto Discovery on Reboot allows the interface card to automatically discover all Fibre Channel
devices when rebooted or when link-up events occur, such as connecting cables or rebooting
network hubs.
• Both the ports and the devices behind the ports are discovered on all subsequent link-up events.
• Discovery on Link Up allows the interface card to automatically discover all Fibre Channel devices
when rebooted or when link-up events occur, such as connecting cables or rebooting network hubs.