Test Cable-Diagnostics Tdr - Cisco Catalyst 3650 series Command Reference Manual

test cable-diagnostics tdr

test cable-diagnostics tdr
To run the Time Domain Reflector (TDR) feature on an interface, use the test cable-diagnostics tdr command
in privileged EXEC mode.
test cable-diagnostics tdr interface interface-id
Syntax Description
interface-id
Command Default
No default behavior or values.
Command Modes
Privileged EXEC
Command History
Release
Cisco IOS XE 3.3SECisco IOS XE 3.3SE
Usage Guidelines
TDR is supported only on 10/100/100 copper Ethernet ports. It is not supported on 10-Gigabit Ethernet ports
or small form-factor pluggable (SFP) module ports.
After you run TDR by using the test cable-diagnostics tdr interface interface-id command, use the show
cable-diagnostics tdr interface interface-id privileged EXEC command to display the results.
Examples This example shows how to run TDR on an interface:
Device# test cable-diagnostics tdr interface gigabitethernet1/0/2
TDR test started on interface Gi1/0/2
A TDR test can take a few seconds to run on an interface
Use 'show cable-diagnostics tdr' to read the TDR results
If you enter the test cable-diagnostics tdr interface interface-id command on an interface that has an link
up status and a speed of 10 or 100 Mb/s, these messages appear:
Device# test cable-diagnostics tdr interface gigabitethernet1/0/3
TDR test on Gi1/0/9 will affect link state and traffic
TDR test started on interface Gi1/0/3
A TDR test can take a few seconds to run on an interface
Use 'show cable-diagnostics tdr' to read the TDR results.
Related Commands
Command
show cable-diagnostics tdr
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
972
The interface on which to run TDR.
Modification
This command was introduced.
Description
Displays the TDR results.