Brocade Fabric OS Command Reference - Supporting Fabric OS v7.0.1 (53-1002447-01, March 2012)

Fabric OS Command Reference 717
53-1001764-01
portDPortTest
2
Roundtrip link latency
Displays roundtrip link latency in nanoseconds or unknown when the test is in
progress. Roundtrip link latency is the time required for the light to travel from a
given port to the port at the remote side of the link and back again.
Estimated cable distance
The estimated physical distance of the interswitch link in meters.
Use the --show all command to display the following test summary information:
Port
The port number on the local side of the link
State
The port state: OFFLINE or ONLINE
SFP Capabilities
Electrical loopback (E) or optical loopback (O), or both (E, O)
Test Result
PASSED or FAILED, or RESPONDER (for remote ports)
NOTES 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.
This command is supported only on Fibre Channel ports. SFP's must be Brocade-branded and run
Fabric OS v7.0.0 or later.
OPERANDS This command has the following operands:
slot
On bladed systems only, specifies the slot number of the ports to be configured,
followed by a slash (/).
port_list
Specifies one or more ports, relative to the slot on bladed systems. Use
switchShow for a listing of valid ports. A port list should be enclosed in double
quotation marks and can consist of the following:
• A single port, for example, "8" or "5/8" on blades systems.
• A port range where beginning and end port are separated by a dash, for
example, "8-13" or "5/8-13" on blades systems. A port range cannot span
multiple slots.
• A set of ports separated by spaces, for example "3 5 7 8"or 5/3 5/5 5/7 5/8 on
bladed systems.
• A set of ports separated by commas, for example "3,5,7,8"or 5/3,5,7,8 on
bladed systems.
• A wildcard '*' indicates all ports. The wild card should be enclosed in single
quotation marks.
--start
Initiates the diagnostics on the specified D_Ports.
--stop
Terminates the diagnostics on the specified D_Ports
--show
Displays runtime status and results of the diagnostics.
--help
Displays the command usage.