ILPOWER-3-CONTROLLER_PORT_ERR:

[SZI]

Can someone please help explain this to me.

X1#sh cable-diagnostics tdr interface g3/0/23

Interface Speed Local pair Pair length Remote pair Pair status
--------- ----- ---------- ------------------ ----------- --------------------
Gi3/0/23 10M Pair A 0 +/- 1 meters Pair B Normal
Pair B 4160 +/- 1 meters Pair A Short
Pair C 3920 +/- 1 meters N/A Open
Pair D 3840 +/- 1 meters N/A Open

X1#sh cable-diagnostics tdr interface g3/0/24

Interface Speed Local pair Pair length Remote pair Pair status
--------- ----- ---------- ------------------ ----------- --------------------
Gi3/0/24 10M Pair A 0 +/- 1 meters Pair B Normal
Pair B 5200 +/- 1 meters Pair A Short
Pair C 4960 +/- 1 meters N/A Open
Pair D 4800 +/- 1 meters N/A Open

[Mark Malone · Accepted solution]

Hi
Bad cable short circuit have you tried to replace it , good explanation in the post below of TDR results

https://supportforums.cisco.com/t5/network-infrastructure-documents/how-to-use-time-domain-reflectometer-tdr/ta-p/3119327