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Thorben_B
Beginner

cable-diagnostics tdr Not Completed - Catalyst 9300 - IOSXE.16.06.07

I got the problem that on all our cisco catalyst 9300 series switches some random interfaces do not finish the cable-diagnostics tdr:

TDR test last run on: May 13 06:12:18
Interface Speed Local pair Pair length        Remote pair Pair status
--------- ----- ---------- ------------------ ----------- --------------------
Gi1/0/42  1000M Pair A     N/A                N/A         Not Completed
                Pair B     N/A                N/A         Not Completed
                Pair C     N/A                N/A         Not Completed
                Pair D     N/A                N/A         Not Completed

It seems like it completely random because this port Gi1/0/42 on one other switch doesnt have the problem.
The Port-Configuration is nearly identical except the used vlan.

I already read a discussion about the problem with the 3750x :

https://community.cisco.com/t5/switching/cable-diagnostics-tdr-not-completed/td-p/3035913 

and this bug report:
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCtl71772 

the software fix for the 3750x is not compatible with 9300 so I didn't try to install that shown software version.

Switchtype:   C9300-48T

IOSXE Software: 16.06.07

@ cisco  did you already fixed this issue in the brand new software IOSXE 16.06.08 ??

2 REPLIES 2
Leo Laohoo
VIP Community Legend

Try a different firmware.

I already tried with IOSXE 16.06.08 in our lab. There where no issues to the only two interfaces that are connected. But... there are just two. I just wanted to make sure that the issue is fixed officially in 16.06.08 bevore rolling out the newer firmware to 100+ switches.