HP 8.20q Fibre Channel Switch - Manual (Page 103)

HP SN6000 Fibre Channel Switch QuickTools Switch Management User Guide 103
Testing ports
You can test a port using the Port Diagnostics dialog box. Only one port can be tested at a time for each
type of test. The Port Diagnostics dialog box ( Figure 56 ) presents the following tests:
• Internal is a disruptive test that verifies port circuitry. The SerDes level test sends a test frame from the
ASIC through the SerDes chip and back to the ASIC for the selected ports. The port passes the test if the
frame that was sent by the ASIC matches the test frame that was received. This test requires that the port
be in diagnostics mode, and therefore disrupts communication.
• External is a disruptive test that verifies port circuitry. The SFP level test sends a test frame from the ASIC
through the SerDes chip, through the SFP transceiver fitted with an external loopback plug, and back to
the ASIC for the selected ports. The port passes the test if the test frame that was sent by the ASIC
matches the test frame that was received. This test requires that the port be in diagnostics mode.
• Online is a non-disruptive test that verifies communications between the port and its device node or
device loop. The port being tested must be online and connected to a remote device, and therefore,
does not disrupt communication. The port passes the test if the frame that was sent by the ASIC matches
the frame that was received.
NOTE: The online port diagnostic test is not allowed on a TR_Port. If attempted, an error message is
displayed stating that an online port diagnostic test is not allowed on a TR port.
Figure 56 Port Diagnostics dialog box
To test a port:
1. Select one or more ports In the faceplate display.
2. Select Port > Port Diagnostics.
3. Choose one of the following options:
• Select Online Port Diagnostics to open the Port Diagnostics dialog box. Select the port to test from
the Select Port drop-down list. The test type is Online, by default.
• Select Other Port Diagnostics to open the Port Diagnostics dialog box. Select the port number, and
then select Internal or External test type from the drop-down list.
4. Enter a frame size (the default is 256).
5. Enable or disable the Terminate Test Upon Error option.