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