Show Cable-Diagnostics Tdr - Cisco catalyst 3750 Command Reference Manual

Chapter 2 Catalyst 3750 Switch Cisco IOS Commands

show cable-diagnostics tdr

Use the show cable-diagnostics tdr privileged EXEC command to display the Time Domain Reflector
(TDR) results.
Syntax Description interface-id
| begin
| exclude
| include
expression
Command Modes
Privileged EXEC
Command History Release
12.1(19)EA1
Usage Guidelines TDR is supported only on 10/100/100 copper Ethernet ports. It is not supported on 10/100 ports,
10-Gigabit module ports, or on SFP module ports. For more information about TDR, see the software
configuration guide for this release.
Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
Examples This is an example of output from the show cable-diagnostics tdr interface interface-id command on
a switch other than a Catalyst 3750G-24PS or 3750G-48PS switch:
Switch# show cable-diagnostics tdr interface gigabitethernet1/0/2
TDR test last run on: March 01 20:15:40
Interface Speed Local pair Pair length
--------- ----- ---------- ------------------ ----------- --------------------
Gi1/0/2
OL-8552-07
show cable-diagnostics tdr interface interface-id [ | {begin | exclude | include} expression]
Specify the interface on which TDR was run.
(Optional) Display begins with the line that matches the expression.
(Optional) Display excludes lines that match the expression.
(Optional) Display includes lines that match the specified expression.
Expression in the output to use as a reference point.
Modification
This command was introduced.
auto Pair A
Pair B
Pair C
Pair D
Remote pair Pair status
0 +/- 2 meters N/A
0 +/- 2 meters N/A
0 +/- 2 meters N/A
0 +/- 2 meters N/A
Catalyst 3750 Switch Command Reference
show cable-diagnostics tdr
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