We have a ws c3750x 48pf s switch with poe and phones in it.
Tdr cable test cisco.
Cable diagnostics can help you detect whether your cable has connectivity problems.
A tdr test can take a few seconds to run on an interface use show cable diagnostics tdr to read the tdr results.
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.
Interface speed local pair pair length remote pair pair status.
July 16 10 23 00.
Gigabitethernet0 1 unassigned yes unset up up.
A sample run result.
For some reason when i ran the command test cable diagnostics on some cisco 3750x the test never complete.
Sw despacho 01 show cable diagnostics tdr int g1 0 5 tdr test last run on.
Show cable diagnostics tdr interface interface interface number syntax description.
Cxxx7sw17 show cable diagnostic tdr int g0 20.
See the release notes for cisco ios release 12 2sx on the.
Show cable diagnostics tdr int gig0 1 will provide the tdr results.
Sw frpau x00i1b ausr sh cable diagnostics tdr interface gi1 0 11 tdr test last run on.
Hi andy tdr guidelines.
In those instances the port on the switch should be administratively down before the start of the tdr test.
Is this done intentionally or am i hitting some kind of bug.
If you connect a port undergoing a tdr test to an auto mdix enabled port the tdr result might be invalid.
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.
The following guidelines apply to the use of tdr.
Hello guys we are facing latencies on our lan.
Switch sh ip int bri i up.
When running test cable tdr int int and then.
Show cable diagnostics tdr displays the test results for the tdr cable diagnostics.
Here is the command.
Tdr can test cables up to a maximum length of 115 meters.
Tdr test started on.
Tdr test last run on.
I would like to test the cables by cable diagnostics tdr.
Switch switch test cable diagnostics tdr interface gigabitethernet 0 1.
The tdr test guidelines are as follows.
A tdr test can take a few seconds to run on an interface.
February 07 10 51 16 interface speed local p.
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 is supported on cisco 7600 series routers running release 12 2 17a sx and later releases on specific mdoules.
Related commands command description clear cable diagnostics tdr clears a specific interface or clears all interfaces that support tdr.