HP StorageWorks SN6000 HP StorageWorks SN6000 QuickTools Switch management use - Page 102
Port types, Table 24 Port types, Port speeds, View Port Types, Port > Port Properties, State
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Table 23 Port administrative states State Description Diagnostics Prepares port for testing and prevents the port from accepting a device login. Downed Disables the port. Port types To display the port type status, open the View menu and select View Port Types. Table 24 lists the possible port types and their descriptions. Each port can be configured to self-discover the proper port type to match the device or switch to which it is connected. The Running Type field on the Port Properties dialog box indicates the port type that is currently active. To change the port type: 1. Select one or more ports in the faceplate display. 2. Select Port > Port Properties to open the Port Properties dialog box. 3. Select the Port Type option from the drop-down list. 4. Click OK to write the new port type to the switch. Table 24 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 (inter-switch link) to another fibre channel switch. TR_Port Transparent Router port-Enables devices on a remote fabric to be mapped to devices on the local HP SN6000 Fibre Channel Switch fabric. TR_Ports do not support online port diagnostics (see "Testing ports" on page 105). Donor Donor port-Enables buffer credits to be used by another port. Port speeds SFP ports with 8Gb SFPs installed can transmit and receive at 2 Gb/s, 4 Gb/s, or 8 Gb/s. XPAK ports can transmit and receive at 10 Gb/s or 20 Gb/s. All ports can be configured for either a fixed transmission speed or to sense (auto-detect) the transmission speed of the device to which it is connected. To display the speed of each port, open the View menu and select View Port Speeds. See Table 25 for the possible port speeds. NOTE: 8 Gb/s SFPs do not support 1 Gb/s speed. You should not set the port speed to 1 Gb/s if an 8 Gb/s SFP is inserted, as the port will be downed if you do. 102 Managing ports