Cisco ME 3800X Command Reference Manual page 309
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Also See for ME 3800X:
- Installation manual (80 pages) ,
- Software manual (956 pages) ,
- Manual (94 pages)
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Chapter
Table 2-7
Table 3-7
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.
Pair length
Location on the cable where the problem is, with respect to your switch. TDR can only find the location in
one of these cases:
The cable is properly connected, the link is up, and the interface speed is 100 Mbps.
•
The cable is open.
•
The cable has a short.
•
Remote pair
Name of the pair of wires to which the local pair is connected. TDR can learn about the remote pair only
when the cable is properly connected and the link is up.
Pair status
The status of the pair of wires on which TDR is running:
Normal—The pair of wires is properly connected.
•
Not completed—The test is running and is not completed.
•
Not supported—The interface does not support TDR.
•
Open—The pair of wires is open.
•
Shorted—The pair of wires is shorted.
•
ImpedanceMis—The impedance is mismatched.
•
Short/Impedance Mismatched—The impedance mismatched or the cable is short.
•
InProgress—The diagnostic test is in progress
•
This is an example of output from the show interface interface-id command when TDR is running:
Switch# show interface gigabitethernet0/1
gigabitethernet0/1 is up, line protocol is up (connected: TDR in Progress)
This is an example of output from the show cable-diagnostics tdr interface interface-id command when
TDR is not running:
Switch# show cable-diagnostics tdr interface gigabitethernet0/1
% TDR test was never issued on gi0/1
If an interface does not support TDR, this message appears:
% TDR test is not supported on switch 1
Related Commands
Command
test cable-diagnostics tdr
OL-28238-01
lists the descriptions of the fields in the show cable-diagnostics tdr command output.
Description
Enables and runs TDR on an interface.
Cisco ME 3800X and ME 3600X Switch Command Reference
show cable-diagnostics tdr
-33
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