Brocade Communications Systems Brocade 8/12c Command Reference Manual page 111

Notes This command does not support High Availability (HA).
This command is currently supported only on the Brocade Encryption platform at a default speed of
4 Gbps and a loopback mode of 7. Use portLoopBackTest on all other platforms.
The execution of this command is subject to Virtual Fabric or Admin Domain restrictions that may
be in place. Refer to chapter 1, "Using Fabric OS commands" and Appendix A, "Command
Availability" for details.
Operands This command has the following operands:
--slot slot
-nframes count
-pklen count
-lb_mode mode
-spd_mode mode
-bpports itemlist
Examples To run the test on blade ports 80-90 with one frame:
Fabric OS Command Reference
53-1001764-01
Specifies the slot number on bladed systems.
Specifies the number of frames to send. The test progresses until the
specified number of frames has been transmitted on each port. The default
value is 8.
Specifies the size of the packet to be sent. The default is 2112 bytes. The
valid range is 100 to 2112 bytes.
Specifies the loopback point for the test. The Brocade Encryption Platform,
only supports line loopback (lb_mode 7) and lb_mode defaults to 7 when the
parameter is not specified.
Mode values are as follows:
1 Port Loopback (loopback plugs)
2 External (SERDES) loopback
7 Back-end bypass & port loopback
8 Back-end bypass & SERDES loopback
Specifies the speed mode for the test. On the Brocade Encryption platforms
only a speed of 4 Gbps is supported and spd_mode defaults to 4 when the
parameter is not specified.
1 Runs test at 1 Gbps.
2 Runs test at 2 Gbps.
4 Runs test at 4 Gbps (Default for Encryption platforms).
8 Runs test at 8 Gbps (Default for Condor2).
Specifies a list of blade ports to test. By default all valid blade ports in the
specified blade are tested. On the Brocade Encryption platforms, ports
80-103 are the only valid ports, because these are the only blade ports with
access to the Vader chip. Refer to the itemlist help page for further
information on the itemlist parameter.
switch:admin> bpportloopbacktest -bpports 80-90 -nframes 1
Running bpportloopbacktest ..............
Ram Init
Ob1 portloopbacktest on ports 80-90 lbMode 7 speed 4
Info: Vader port 0 recovering Rx Fifo
Info: Vader port 1 recovering Rx Fifo
Info: Vader port 2 recovering Rx Fifo
Info: Vader port 3 recovering Rx Fifo
bpPortLoopbackTest
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