HP StorageWorks MSA 2.8 SAN Switch - Manual (Page 221)

Troubleshooting
221 Fabric OS Procedures Version 3.1.x/4.1.x User Guide
Test a Port’s External Transmit and Receive Path
1. Log into the switch as admin.
2. Enter the crossporttest command with the following operand.
(This is a partial list. Refer to the HP StorageWorks Fabric OS Version
3.1.x/4.1.x Reference Guide for more information).
switch:admin> setdbg "DIAG", 2
switch:admin> spinfab 3,0,3
spinFab running...
port 1 Rx 1 million frames.
port 0 Rx 1 million frames.
port 2 Rx 1 million frames.
port 3 Rx 1 million frames.
port 1 Rx 2 million frames.
port 0 Rx 2 million frames.
port 2 Rx 2 million frames.
port 3 Rx 2 million frames.
port 1 Rx 3 million frames.
port 0 Rx 3 million frames.
port 2 Rx 3 million frames.
port 3 Rx 3 million frames.
spinFab: Completed 3 megs, status: passed.
port 0 test status: 0x00000000 -- passed.
port 1 test status: 0x00000000 -- passed.
port 2 test status: 0x00000000 -- passed.
port 3 test status: 0x00000000 -- passed.
switch:admin>
[-nframes count] Specify the number of frames to send.
[-lb_mode mode] Select the loopback point for the test.