Reference Guide

672 | Interfaces
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show tdr
c e s
Display the TDR test results.
Syntax
show tdr interface
Parameters
Defaults
No default behavior or settings
Command Modes
EXEC
Command
History
Example
FTOS#show tdr gigabitethernet 10/47
Time since last test: 00:00:02
Pair A, Length: OK Status: Terminated
Pair B, Length: 92 (+/- 1) meters, Status: Short
Pair C, Length: 93 (+/- 1) meters, Status: Open
Pair D, Length: 0 (+/- 1) meters, Status: Impedance Mismatch
Table 23-13. TDR Test Status
Usage
Information
If the TDR test has not been run, an error messages is generated:
Message 3 %Error: Please run the TDR test first
Related
Commands
interface
Enter the keyword GigabitEthernet followed by the slot/port
information for the 100/1000 Ethernet interface.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.7.0 Introduced on S4810
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.7.1.0 Support added for S-Series
Version 7.6.1.0 Support added for C-Series
Version 6.1.1.0 Introduced
Status Definition
OK Status: Terminated
TDR test is complete, no fault is detected on the
cable, and the test is terminated
Length: 92 (+/- 1) meters, Status: Shorted
A short is detected on the cable. The location, in
this example 92 meters, of the short is accurate to
plus or minus one meter.
Length: 93 (+/- 1) meters, Status: Open
An opening is detected on the cable. The location,
in this example 93 meters, of the open is accurate
to plus or minus one meter.
Status: Impedance Mismatch There is an impedance mismatch in the cables.
tdr-cable-test Run the TDR test.