Brocade Communications Systems Brocade 8/12c Command Reference Manual page 749

Roundtrip link latency
Estimated cable distance
Use the --show all command to display the following test summary information:
Port
State
SFP Capabilities
Test Result
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
port_list
--start
--stop
--show
--help
Fabric OS Command Reference
53-1001764-01
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.
The estimated physical distance of the interswitch link in meters.
The port number on the local side of the link
The port state: OFFLINE or ONLINE
Electrical loopback (E) or optical loopback (O), or both (E, O)
PASSED or FAILED, or RESPONDER (for remote ports)
On bladed systems only, specifies the slot number of the ports to be configured,
followed by a slash (/).
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.
Initiates the diagnostics on the specified D_Ports.
Terminates the diagnostics on the specified D_Ports
Displays runtime status and results of the diagnostics.
Displays the command usage.
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portDPortTest
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