Reference Guide

Interfaces | 399
To test the condition of cables on 10/100/1000 BASE-T modules, use the tdr-cable-test command:
Splitting QSFP ports to SFP+ ports
Splitting QSFP ports to SFP+ ports is supported on platform z
The Z9000 supports splitting a single 40G QSFP port into four 10G SFP+ ports using one of the supported
breakout cables (refer to the Z9000 Installation Guide or the Z9000 Release Notes for a list of supported
cables).
Step Command Syntax Command Mode Usage
1
tdr-cable-test gigabitethernet <slot>/
<port>
EXEC Privilege To test for cable faults on the GigabitEthernet
cable.
• Between two ports, the user must not start
the test on both ends of the cable.
• The user must enable the interface before
starting the test.
• The port should be enabled to run the test
or the test prints an error message.
2
show tdr gigabitethernet <slot>/
<port>
EXEC Privilege Displays TDR test results.
Command Syntax Command Mode Purpose
stack-unit stack-unit port
number portmode quad
CONFIGURATION Split a single 40G port into 4-10G ports on the Z9000.
stack-unit: Enter the stack member unit identifier of the stack
member to reset.
Z9000 range: 0 - 11
number: Enter the port number of the 40G port to be split.
Range: 0-31