2-458
Cisco Catalyst Blade Switch 3120 for HP Command Reference
OL-12248-03
Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commands
show cable-diagnostics tdr
show cable-diagnostics tdr
Use the
show cable-diagnostics tdr
privileged EXEC command to display the Time Domain Reflector
(TDR) results.
show cable-diagnostics tdr interface
interface-id
[ | {
begin
|
exclude
|
include
}
expression
]
Syntax Description
Command Modes
Privileged EXEC
Command History
Usage Guidelines
TDR is supported only on 10/100/100 copper Ethernet ports. It is not supported on 10-Gigabit Ethernet
ports and small form-factor pluggable (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:
Switch#
show cable-diagnostics tdr interface gigabitethernet0/2
TDR test last run on: March 01 00:04:08
Interface Speed Local pair Pair length Remote pair Pair status
--------- ----- ---------- ------------------ ----------- --------------------
Gi1/0/2 1000M Pair A 1 +/- 1 meters Pair A Normal
Pair B 1 +/- 1 meters Pair B Normal
Pair C 1 +/- 1 meters Pair C Normal
Pair D 1 +/- 1 meters Pair D Normal
Table 2-20
lists the descriptions of the fields in the
show cable-diagnostics tdr
command output.
interface-id
Specify the interface on which TDR was run.
| begin
(Optional) Display begins with the line that matches the
expression
.
| exclude
(Optional) Display excludes lines that match the
expression
.
| include
(Optional) Display includes lines that match the specified
expression
.
expression
Expression in the output to use as a reference point.
Release
Modification
12.2(40)EX1
This command was introduced.
Table 2-20
Fields Descriptions for the show cable-diagnostics tdr Command Output
Field
Description
Interface
Interface on which TDR was run.
Speed
Speed of connection.
Local pair
Name of the pair of wires that TDR is testing on the local interface.
