Q-Logic 59022-11 A 4-13 Manuel D’Utilisation

5 – Managing Ports

Configuring Ports

59022-11 A

5-13

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The ports can be configured to self-discover the proper type to match the device 
or switch to which it is connected. 

 describes the port types. To change 

the port type, do the following:

1.

Select one or more ports in the faceplate display.

2.

Open the Port menu and select Port Properties to open the Port Properties 
dialog.

3.

Click the Port Type radio button for the port type you want.

4.

Click the OK button to write the new port type to the switch.

The I/O Stream Guard feature suppresses the Registered State Change 
Notification (RSCN) messages on a port basis. I/O Stream Guard should be 
enabled only on ports connected to initiator devices. To configure the I/O Stream 
Guard option using the Port Properties dialog, open the Port menu, and select 
Port Properties. Click the radio button that corresponds to one of the following 
options:

„

Enable: Suppresses the reception of RSCN messages from other ports for 
which I/O Stream Guard is enabled.

„

Disable: Allows free transmission and reception of RSCN messages.

„

Auto: Suppresses the reception of RSCN messages when the port is 
connected to an initiator device with a QLogic HBA. For older QLogic HBAs, 
such as the QLA2200, Device Scan must be enabled. The default is Auto. 

F_Port

Fabric port - Supports a single public device (N_Port).

FL_Port

Fabric loop port - Self discovers a single device (N_Port) or a loop of up 
to 126 public devices (NL_Port).

G_Port

Generic port - Self discovers as an F_Port or an E_Port.

GL_Port

Generic loop port - Self discovers as an F_Port, FL_Port, or an E_Port. 
GL_Port is the default port type. A single device on a public loop will 
attempt to configure as an F_Port first, then if that fails, as an FL_Port.

Donor

Donor port - Allows buffer credits to be used by another port.