Hi i m finding what looks like cisco blanket disabling the tdr cable test feature on switchports on the 2960 x if the downstream device is negotiated to anything other than 1000mbps.
Tdr cable test cisco.
Is this done intentionally or am i hitting some kind of bug.
Tdr can test cables up to a maximum length of 115 meters.
Show cable diagnostics tdr int gig0 1 will provide the tdr results.
A tdr test can take a few seconds to run on an interface.
In those instances the port on the switch should be administratively down before the start of the tdr test.
Sw frpau x00i1b ausr sh cable diagnostics tdr interface gi1 0 11 tdr test last run on.
I ve read about the test cable diagnostics tdr command but i need clarification on the examples listed below to make sure that i am providing the right answer to my co workers.
Gigabitethernet0 1 unassigned yes unset up up.
July 16 10 23 00.
We have a ws c3750x 48pf s switch with poe and phones in it.
The following guidelines apply to the use of tdr.
If you connect a port undergoing a tdr test to an auto mdix enabled port the tdr result might be invalid.
The tdr test is supported on cisco 7600 series routers running release 12 2 17a sx and later releases on specific mdoules.
Tdr test last run on.
To check the result.
For some reason when i ran the command test cable diagnostics on some cisco 3750x the test never complete.
Show cable diagnostics tdr interface interface interface number syntax description.
Show cable diagnostics tdr displays the test results for the tdr cable diagnostics.
I would like to test the cables by cable diagnostics tdr.
Cable diagnostics can help you detect whether your cable has connectivity problems.
See the release notes for cisco ios release 12 2sx on the.
When running test cable tdr int int and then.
Switch sh ip int bri i up.
Test cable diagnostics tdr interface gigabitethernet 1 0 44 tdr test started on interface gi1 0 44 a tdr test can take a few seconds to run on an interface use show cable diagnostics tdr to read the tdr results.
Hi andy tdr guidelines.
Interface speed local pair pair length remote pair pair status.
A tdr test can take a few seconds to run on an interface use show cable diagnostics tdr to read the tdr results.
Tdr test started on.
Switch switch test cable diagnostics tdr interface gigabitethernet 0 1.
Sw 01 test cable diagnostics tdr interface g1 0 5 link state may be affected during tdr test tdr test started on interface gi1 0 5 a tdr test can take a few seconds to run on an interface use show cable diagnostics tdr to read the tdr results.
The tdr test guidelines are as follows.
Related commands command description clear cable diagnostics tdr clears a specific interface or clears all interfaces that support tdr.
Cxxx7sw17 show cable diagnostic tdr int g0 20.
A sample run result.
Here is the command.
February 07 10 51 16 interface speed local p.
