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McDATA® 4Gb SAN Switch for HP p-Class BladeSystem user guide 93
Port types
The external ports can be configured to self-discover the proper type to match the device or switch to which
it is connected. Table 20 lists the possible port types and their meanings.
NOTE: Internal ports can be F_Port or FL_Port only. Port types for internal ports cannot be changed.
Select View > View Port Types to display port type status.
To change the port type for external ports:
1. Select one or more ports in the faceplate display.
2. Select Port > Port Properties to open the Port Properties dialog.
3. Select Port Type from the drop-down list.
4. Click OK to write the new port type to the switch.
Table 20 Port types
State Description
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.
E_Port Expansion port — the mode that a G_Port or GL_Port is in when attached
by an ISL to another fibre channel switch.