Tdr Cable Test Cisco

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.

Related commands command description clear cable diagnostics tdr clears a specific interface or clears all interfaces that support tdr. Here is the command. A tdr test can take a few seconds to run on an interface use show cable diagnostics tdr to read the tdr results. 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. See the release notes for cisco ios release 12 2sx on the. Interface speed local pair pair length remote pair pair status. Show cable diagnostics tdr displays the test results for the tdr cable diagnostics.

The tdr test is supported on cisco 7600 series routers running release 12 2 17a sx and later releases on specific mdoules. A sample run result. When running test cable tdr int int and then. A tdr test can take a few seconds to run on an interface.

Switch sh ip int bri i up. Cxxx7sw17 show cable diagnostic tdr int g0 20. 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. 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. The following guidelines apply to the use of tdr. I would like to test the cables by cable diagnostics tdr. 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.

Tdr can test cables up to a maximum length of 115 meters. February 07 10 51 16 interface speed local p. July 16 10 23 00. Tdr test last run on.

We have a ws c3750x 48pf s switch with poe and phones in it. Hello guys we are facing latencies on our lan. Show cable diagnostics tdr interface interface interface number syntax description. In those instances the port on the switch should be administratively down before the start of the tdr test.

Chapter 2 cisco ios commands for th e catalyst 6500 series switches with the supervisor engine 32 pisa show cable diagnostics tdr show cable diagnostics tdr to display the test results for th e tdr cable diagnostics use the show cable diagnostics tdr command. Cable diagnostics can help you detect whether your cable has connectivity problems. Sw frpau x00i1b ausr sh cable diagnostics tdr interface gi1 0 11 tdr test last run on. Hi andy tdr guidelines.

Tdr test started on. For some reason when i ran the command test cable diagnostics on some cisco 3750x the test never complete. Switch switch test cable diagnostics tdr interface gigabitethernet 0 1. Sw despacho 01 show cable diagnostics tdr int g1 0 5 tdr test last run on.