Reference Guide

Interfaces | 627
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
Figure 23-48. show tdr gigabitethernet Command Example
Table 23-14. TDR Test Status
Usage
Information
If the TDR test has not been run, an error messages is generated:
%Error: Please run the TDR test first
Related
Commands
UDP Broadcast
The User Datagram Protocol (UDP) broadcast feature is a software-based method to forward low
throughput (not to exceed 200 pps) IP/UDP broadcast traffic arriving on a physical or VLAN interface.
interface Enter the keyword GigabitEthernet followed by the slot/port information for
the 100/1000 Ethernet interface.
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.
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
tdr-cable-test Run the TDR test.