2-458Cisco Catalyst Blade Switch 3120 for HP Command ReferenceOL-12248-03Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commandsshow cable-diagnostics tdrshow cable-diagnostics tdrUse 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 DescriptionCommand Modes Privileged EXECCommand HistoryUsage Guidelines TDR is supported only on 10/100/100 copper Ethernet ports. It is not supported on 10-Gigabit Ethernetports and small form-factor pluggable (SFP) module ports. For more information about TDR, see thesoftware configuration guide for this release.Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain outputdo 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 gigabitethernet0/2TDR test last run on: March 01 00:04:08Interface Speed Local pair Pair length Remote pair Pair status--------- ----- ---------- ------------------ ----------- --------------------Gi1/0/2 1000M Pair A 1 +/- 1 meters Pair A NormalPair B 1 +/- 1 meters Pair B NormalPair C 1 +/- 1 meters Pair C NormalPair D 1 +/- 1 meters Pair D NormalTable 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 Modification12.2(40)EX1 This command was introduced.Table 2-20 Fields Descriptions for the show cable-diagnostics tdr Command OutputField DescriptionInterface 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.